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1.
Alzheimer Dis Assoc Disord ; 37(2): 128-133, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-36989106

RESUMO

BACKGROUND: The associations between cognitive domains and odor identification are well established, but how sociodemographic variables affect these relationships is less clear. PURPOSE: Using the survey-adapted Montreal Cognitive Assessment instrument (MoCA-SA), we assess how age, sex, race, and education shape these relationships. METHODS: We first used cluster analysis and multidimensional scaling to empirically derive distinct cognitive domains from the MoCA-SA as it is unclear whether the MoCA-SA can be disaggregated into cognitive domains. We then used ordinal logistic regression to test whether these empirically derived cognitive domains were associated with odor identification and how sociodemographic variables modified these relationships. STUDY POPULATION: Nationally representative sample of community-dwelling US older adults. RESULTS: We identified 5 out of the 6 theoretical cognitive domains, with the language domain unable to be identified. Odor identification was associated with episodic memory, visuospatial ability, and executive function. Stratified analyses by sociodemographic variables reveal that the associations between some of the cognitive domains and odor identification varied by age, sex, or race, but not by education. CONCLUSIONS: These results suggest that (1) the MoCA-SA can be used to identify cognitive domains in survey research and (2) the performance of smell tests as a screener for cognitive decline may potentially be weaker in certain subpopulations.


Assuntos
Cognição , Disfunção Cognitiva , Humanos , Idoso , Odorantes , Testes Neuropsicológicos , Função Executiva
2.
J Gerontol B Psychol Sci Soc Sci ; 76(Suppl 3): S266-S275, 2021 12 17.
Artigo em Inglês | MEDLINE | ID: mdl-34918152

RESUMO

BACKGROUND: The National Social Life, Health, and Aging Project (NSHAP) has collected 3 rounds of data on older adults' egocentric social networks. We describe the structure of network data collection for different components of the sample and the data that are available for those groups. We also describe survey techniques that were used to track specific personnel changes that occurred within respondents' networks during the 10-year study period. METHOD: Descriptive statistics are presented for measures of network size, composition, and internal structure at all 3 rounds, respondent-level summary measures of change in these characteristics between and across rounds, and measures of change associated with the loss and addition of network members across Rounds 1, 2, and 3. Procedures that were used to clean the network change data are also explained. RESULTS: The NSHAP network change module provides reliable information about specific changes that occurred within respondents' confidant networks. For returning baseline respondents, there is considerable overlap with respect to which confidants are named in successive rosters, but the norm is for Round 3 networks to be composed primarily of new confidants. DISCUSSION: These data provide new insights into the dynamic nature of networks in later life. Data limitations, and directions for future research, are discussed.


Assuntos
Envelhecimento , Relações Interpessoais , Isolamento Social , Rede Social , Apoio Social , Idoso , Idoso de 80 Anos ou mais , Envelhecimento/psicologia , Feminino , Nível de Saúde , Inquéritos Epidemiológicos , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Estados Unidos
3.
Ethn Health ; 26(6): 863-878, 2021 08.
Artigo em Inglês | MEDLINE | ID: mdl-30870001

RESUMO

Objectives: There is a growing burden of HIV and sex-related diseases in South Asia and India. Sociological research illustrates that key axes of social stratification, such as race and ethnicity, affect social network structure which, in turn, impacts sexual health and wellbeing. Research on networks has increasingly begun to examine the ways in which networks drive or harness sexual behaviors, but has largely neglected the influence of culture and cultural markers in this continuum. Furthermore, much of the existing scholarship has been conducted in the U.S. or in Western contexts.Design: As part of an exploratory effort, we examined how skin color and body mass index (BMI) affected networks among 206 men who have with men (MSM) frequenting sex markets in Hyderabad, India. A novel phone-based network generation method of respondent-driven sampling was used for recruitment. In assessing how skin color and BMI drive these structures, we also compared how these factors contribute to networks relative to two more commonly referenced markers of social difference among Indians, caste and religion.Results: Our findings suggest that skin color and BMI contribute significantly more to network structure than do caste and religion.Conclusions: These findings tentatively illuminate the importance of individual-level heterogeneity in bodily attributes, factors which are seldom considered in conventional approaches to researching how social stratification and health inequalities are animated during the formation of networks.


Assuntos
Infecções por HIV , Minorias Sexuais e de Gênero , Índice de Massa Corporal , Homossexualidade Masculina , Humanos , Masculino , Comportamento Sexual , Pigmentação da Pele , Rede Social , Apoio Social
4.
J Gerontol B Psychol Sci Soc Sci ; 76(4): 778-789, 2021 03 14.
Artigo em Inglês | MEDLINE | ID: mdl-32080742

RESUMO

OBJECTIVES: To examine patterns of change in later-life social connectedness: (a) the extent and direction of changes in different aspects of social connectedness, including size, density, and composition of social networks, network turnover, and three types of community involvement and (b) the sequential nature of these changes over time. METHOD: We use three waves of nationally representative data from the National Social Life, Health, and Aging Project, collected from 2005/2006 to 2015/2016. Respondents were between the ages of 67 and 95 at follow-up. Types of changes in their social connectedness between the two successive 5-year periods are compared to discern over-time change patterns. RESULTS: Analyses reveal stability or growth in the sizes of most older adults' social networks, their access to non-kin ties, network expansiveness, as well as several forms of community involvement. Most older adults experienced turnover within their networks, but losses and additions usually offset each other, resulting in generally stable network size and structural features. Moreover, when older adults reported decreases (increases) in a given form of social connectedness during the first half of the study period, these changes were typically followed by countervailing increases (decreases) over the subsequent 5-year period. This general pattern holds for both network and community connectedness. DISCUSSION: There is an overwhelming tendency toward either maintaining or rebalancing previous structures and levels of both personal network connectedness and community involvement. This results in overall homeostasis. We close by discussing the need for a unifying theoretical framework that can explain these patterns.


Assuntos
Envelhecimento/psicologia , Participação da Comunidade , Funcionamento Psicossocial , Interação Social , Rede Social , Apoio Social , Idoso , Participação da Comunidade/psicologia , Participação da Comunidade/estatística & dados numéricos , Feminino , Humanos , Relações Interpessoais , Acontecimentos que Mudam a Vida , Estudos Longitudinais , Masculino , Estados Unidos/epidemiologia
5.
AIDS ; 31(1): 159-165, 2017 01 02.
Artigo em Inglês | MEDLINE | ID: mdl-27662544

RESUMO

OBJECTIVE: To examine how history of criminal justice involvement (CJI) is related to HIV care continuum metrics among young black MSM 16-29 years of age. DESIGN: Population-based survey. METHODS: From 2013 to 2014, a representative sample of young black MSM was generated using respondent-driven sampling (RDS) in Chicago (n = 618). HIV antibody/antigen and RNA testing were performed using dry blood spots. Factors assessed in the care continuum included HIV testing, HIV diagnosis, linkage to care within 6 months, retention in care, adherence to antiretrovirals, and viral suppression. RDS-weighted regression models examined the associations between history of CJI, including frequency of CJI and durations of stay and each of the continuum metrics. RESULTS: A final analytic sample of 618 participants was generated through RDS chains of up to 13 waves in length and with a mean of 2.1 recruits per participant. At enrollment, 40.8% had prior history of CJI and 34.6% were HIV seropositive. Of persons reporting HIV seropositive status, 58.4% were linked to care, 40.2% were retained in care, 32.2% were adherent to antiretrovirals, and 24.3% were virally suppressed. Any CJI history was associated with the overall care continuum (adjusted odds ratio = 2.35; 95% confidence interval 1.13-4.88) and was most associated with increased retention in care [adjusted odds ratio = 3.72 (1.77-7.84)]. Having one CJI experience and detention for only 1 day was associated with better retention in care compared with no or more frequent CJI. CONCLUSION: Those with a previous history of CJI were more successful in achieving most HIV care continuum metrics. Frequent and cycling CJI, however, was detrimental to HIV care.


Assuntos
População Negra , Continuidade da Assistência ao Paciente/organização & administração , Direito Penal , Infecções por HIV/diagnóstico , Infecções por HIV/tratamento farmacológico , Aceitação pelo Paciente de Cuidados de Saúde , Adolescente , Adulto , Antirretrovirais/uso terapêutico , Chicago , Testes Diagnósticos de Rotina/estatística & dados numéricos , Monitoramento de Medicamentos/estatística & dados numéricos , Homossexualidade Masculina , Humanos , Masculino , Adesão à Medicação , Adulto Jovem
6.
Med Care ; 55(2): 102-110, 2017 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-27676400

RESUMO

BACKGROUND: Young men who have sex with men (YMSM) have the highest rates of human immunodeficiency virus (HIV) infection in the United States. Decades into the HIV epidemic, the relationships that YMSM-serving health and social organizations have with one another has not been studied in depth. OBJECTIVES: The aim of this study was to examine the competition, collaboration, and funding source structures of multiplex organization networks and the mechanisms that promote fruitful relationships among these organizations. RESEARCH DESIGN: The study data collection method was a survey of health and social organizations from 2013-2014 in 2 cities, Chicago, IL and Houston, TX. SUBJECTS: Study participants were representatives from 138 health and social organizations. MEASURES: Responses to survey questions were used to reconstruct competition, collaboration, and combined competition-collaboration networks. RESULTS: While taking into consideration the collaborative relationships among organizations, we provide statistical evidence that organizations of similar type, similar social media use patterns, comparable patterns of funding, and similar network contexts tended to compete with one another. This competition was less likely to be accompanied by any sort of collaboration if the organizations shared common funding sources. CONCLUSIONS: Competition that excludes potential collaboration may be detrimental to mobilizing the collective efforts that serve local YMSM communities. System-level interventions may provide promising approaches to scaling-up HIV prevention and treatment efforts so as to encourage organizations to form partnerships with otherwise competing providers.


Assuntos
Comportamento Cooperativo , Organização do Financiamento/organização & administração , Infecções por HIV/epidemiologia , Administração de Serviços de Saúde , Homossexualidade Masculina , Serviço Social/organização & administração , Adolescente , Adulto , Competição Econômica , Organização do Financiamento/economia , Humanos , Relações Interinstitucionais , Masculino , Mídias Sociais , Apoio Social , Serviço Social/economia , Estados Unidos , Adulto Jovem
7.
Arch Sex Behav ; 46(2): 605-618, 2017 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-26714683

RESUMO

Sexuality is a key component of health and functioning that changes with age. Although most sexual activity takes place with a partner, the majority of research on sexuality has focused on individuals. In this paper, we focused on the sexual dyad. We proposed and tested a conceptual model of the predictors of partnered sexual activity in older adulthood. This model began with the personality of each of the partners, which affects individuals' views of sex and characteristics of the partnership, which in turn affected sexual expression in the couple. We measured a key feature of personality, Positivity, which reflected the individual's tendency to present his or herself positively in social situations. This trait, we posited, increased frequency of sex through increased desire for sex, and the subjective importance of sex to each member of the couple. In this model, Positivity also impacted characteristics of the relationship that promoted dyadic sexual behavior. These processes differed for men and women in the model. We tested this model with data from the National Social Life, Health and Aging Project, which conducted personal interviews with both partners in 940 American dyads (average male age 72; average female age 69). We found that couples in which the husbands' (but not wives') were high in Positivity show higher levels of sexual activity, and that this association was partially mediated by dimensions of relationship quality, but more so by individual factors such as thinking about sex and believing sex is important.


Assuntos
Comportamento Sexual/psicologia , Comportamento Sexual/estatística & dados numéricos , Parceiros Sexuais/psicologia , Cônjuges/psicologia , Cônjuges/estatística & dados numéricos , Idoso , Estudos de Coortes , Feminino , Humanos , Masculino , Personalidade
8.
Proc Natl Acad Sci U S A ; 113(22): E3071-80, 2016 May 31.
Artigo em Inglês | MEDLINE | ID: mdl-27185911

RESUMO

The World Health Organization (WHO) defines health as a "state of complete physical, mental and social well-being and not merely the absence of disease or infirmity." Despite general acceptance of this comprehensive definition, there has been little rigorous scientific attempt to use it to measure and assess population health. Instead, the dominant model of health is a disease-centered Medical Model (MM), which actively ignores many relevant domains. In contrast to the MM, we approach this issue through a Comprehensive Model (CM) of health consistent with the WHO definition, giving statistically equal consideration to multiple health domains, including medical, physical, psychological, functional, and sensory measures. We apply a data-driven latent class analysis (LCA) to model 54 specific health variables from the National Social Life, Health, and Aging Project (NSHAP), a nationally representative sample of US community-dwelling older adults. We first apply the LCA to the MM, identifying five health classes differentiated primarily by having diabetes and hypertension. The CM identifies a broader range of six health classes, including two "emergent" classes completely obscured by the MM. We find that specific medical diagnoses (cancer and hypertension) and health behaviors (smoking) are far less important than mental health (loneliness), sensory function (hearing), mobility, and bone fractures in defining vulnerable health classes. Although the MM places two-thirds of the US population into "robust health" classes, the CM reveals that one-half belong to less healthy classes, independently associated with higher mortality. This reconceptualization has important implications for medical care delivery, preventive health practices, and resource allocation.


Assuntos
Envelhecimento/fisiologia , Comportamentos Relacionados com a Saúde , Nível de Saúde , Saúde Mental , Qualidade de Vida , Sensação/fisiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Solidão , Masculino , Pessoa de Meia-Idade , Estados Unidos
9.
J Sex Med ; 13(2): 135-43, 2016 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-26953828

RESUMO

INTRODUCTION: Definitions of sexual dysfunctions in women and men are critical in facilitating research and enabling clinicians to communicate accurately. AIMS: To present the new set of definitions of all forms of sexual dysfunction in women and men adopted by the Fourth International Consultation on Sexual Medicine (ICSM) held in 2015. METHODS: Classification systems, including the International Classification of Diseases, 10th Edition and the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, and systems that focus on only specific types of sexual dysfunctions (e.g., the International Society for Sexual Medicine definition for premature ejaculation) were reviewed. MAIN OUTCOME MEASURES: Evidence-based definitions were retained, gaps in definitions were identified, and outdated definitions were updated or discarded. Where evidence was insufficient or absent, expert opinion was used. Some definitions were self-evident and termed clinical principles. RESULTS: The evidence to support the various classification systems was carefully evaluated. A more comprehensive analysis of this evidence can be found in two other articles in this journal that consider the incidence and prevalence and the risk factors for sexual dysfunction in men and women. These data were used to shape the definitions for sexual dysfunction that have been recommended by the 2015 ICSM. CONCLUSION: The definitions that have been adopted are those that are most strongly supported by the literature at this time or are considered clinical principles or consensus of experts' opinions. As more research and clinical studies are conducted, there likely will be modifications of at least some definitions.


Assuntos
Comportamento Sexual , Disfunções Sexuais Fisiológicas/classificação , Disfunções Sexuais Psicogênicas/classificação , Manual Diagnóstico e Estatístico de Transtornos Mentais , Medicina Baseada em Evidências , Prova Pericial , Feminino , Humanos , Classificação Internacional de Doenças , Masculino , Encaminhamento e Consulta , Fatores de Risco , Disfunções Sexuais Fisiológicas/diagnóstico , Disfunções Sexuais Fisiológicas/fisiopatologia , Disfunções Sexuais Fisiológicas/psicologia , Disfunções Sexuais Psicogênicas/diagnóstico , Disfunções Sexuais Psicogênicas/fisiopatologia , Disfunções Sexuais Psicogênicas/psicologia , Terminologia como Assunto
10.
J Sex Med ; 13(2): 144-52, 2016 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-26953829

RESUMO

INTRODUCTION: The incidence and prevalence of various sexual dysfunctions in women and men are important to understand to designate priorities for epidemiologic and clinical research. AIM: This manuscript was designed to conduct a review of the literature to determine the incidence and prevalence of sexual dysfunction in women and men. METHODS: Members of Committee 1 of the Fourth International Consultation on Sexual Medicine (2015) searched and reviewed epidemiologic literature on the incidence and prevalence of sexual dysfunctions. Key older studies and most studies published after 2009 were included in the text of this article. MAIN OUTCOME MEASURES: The outcome measures were the reports in the various studies of the incidence and prevalence of sexual dysfunction among women and men. RESULTS: There are more studies on incidence and prevalence for men than for women and many more studies on prevalence than incidence for women and men. The data indicate that the most frequent sexual dysfunctions for women are desire and arousal dysfunctions. In addition, there is a large proportion of women who experience multiple sexual dysfunctions. For men, premature ejaculation and erectile dysfunction are the most common sexual dysfunctions, with less comorbidity across sexual dysfunctions for men compared with women. CONCLUSION: These data need to be treated with caution, because there is a high level of variability across studies caused by methodologic differences in the instruments used to assess presence of sexual dysfunction, ages of samples, nature of samples, methodology used to gather the data, and cultural differences. Future research needs to use well-validated tools to gather data and ensure that the data collection strategy is clearly described.


Assuntos
Comportamento Sexual , Disfunções Sexuais Fisiológicas/epidemiologia , Disfunções Sexuais Psicogênicas/epidemiologia , Adulto , Comorbidade , Disfunção Erétil/epidemiologia , Feminino , Humanos , Incidência , Libido , Masculino , Avaliação de Resultados em Cuidados de Saúde , Ejaculação Precoce/epidemiologia , Prevalência , Disfunções Sexuais Fisiológicas/etiologia , Disfunções Sexuais Fisiológicas/fisiopatologia , Disfunções Sexuais Psicogênicas/etiologia , Disfunções Sexuais Psicogênicas/fisiopatologia
11.
J Sex Med ; 13(2): 153-67, 2016 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-26953830

RESUMO

INTRODUCTION: This article presents a review of previous research concerning risk factors for sexual dysfunction in women and men. AIM: The aim is to evaluate past research studies to determine the contribution of all risk factors to the development and maintenance of sexual dysfunction among women and men. METHODS: Studies were organized under a biopsychosocial framework, with the bulk of studies of women and men having investigated the role of biological factors. MAIN OUTCOME MEASURES: The outcome measures were the data on factors for sexual dysfunction. RESULTS: Many more studies investigated risk factors for sexual dysfunction in men than in women. For women and men, diabetes, heart disease, urinary tract disorders, and chronic illness were significant risk factors for sexual dysfunction. Depression and anxiety and the medications used to treat these disorders also were risk factors for sexual dysfunction in women and men. In addition, substance abuse was associated with sexual dysfunction. Many other social and cultural factors were related to sexual dysfunction in women and men. CONCLUSION: Psychosocial factors are clearly risk factors for sexual dysfunction. Women and men with sexual dysfunction should be offered psychosocial evaluation and treatment, if available, in addition to medical evaluation and treatment. The impact of social and cultural factors on sexual function requires substantially more research. The evidence that erectile dysfunction is a harbinger of other forms of cardiovascular disease is strong enough to recommend that clinical evaluation for occult cardiovascular disease should be undertaken in men who do not have known cardiovascular disease but who develop organic erectile dysfunction, especially in men younger than 70 years.


Assuntos
Doenças Cardiovasculares/complicações , Transtornos Mentais/complicações , Disfunções Sexuais Fisiológicas/etiologia , Disfunções Sexuais Psicogênicas/etiologia , Adulto , Doenças Cardiovasculares/fisiopatologia , Doença Crônica , Comorbidade , Feminino , Humanos , Masculino , Transtornos Mentais/fisiopatologia , Pessoa de Meia-Idade , Psicoterapia , Fatores de Risco , Comportamento Sexual , Disfunções Sexuais Fisiológicas/fisiopatologia , Disfunções Sexuais Fisiológicas/psicologia , Disfunções Sexuais Psicogênicas/fisiopatologia , Disfunções Sexuais Psicogênicas/psicologia , Disfunções Sexuais Psicogênicas/terapia
12.
Soc Sci Med ; 125: 94-106, 2015 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-24128674

RESUMO

Scholars who study how social networks affect older adults' health are often concerned with the prospect of declining social connectedness in late life. This paper shifts the focus to older adults' tendencies to cultivate new social ties. This process of network growth can improve access to social resources, boost self-esteem, reduce loneliness, and increase physical activity. We therefore examine the link between tie cultivation and health using new longitudinal data from the National Social Life, Health, and Aging Project (NSHAP), which recorded changes in older adults' confidant network rosters over a period of about five years. Most respondents (81.8%) added at least one new network member during the study period, and most (59.4%) cultivated multiple new confidant relationships. Longitudinal analyses suggest that the addition of new confidants is associated with improvements in functional, self-rated, and psychological health, net of baseline connectedness as well as any network losses that occurred during the same period. Network losses were associated with physical but not psychological well-being. These findings underscore the importance of distinguishing between concurrent processes that underlie social network change in later life, and highlight the need for additional research on the mechanisms by which network change may improve health.


Assuntos
Nível de Saúde , Relações Interpessoais , Apoio Social , Atividades Cotidianas/psicologia , Idoso/psicologia , Idoso de 80 Anos ou mais/psicologia , Envelhecimento/psicologia , Feminino , Inquéritos Epidemiológicos , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade/psicologia , Comportamento Social
13.
Soc Sci Med ; 125: 192-202, 2015 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-24518188

RESUMO

Internationally, the Peer Change Agent (PCA) model is the most frequently used conceptual framework for HIV prevention. Change agents themselves can be more important than the messages they convey. PCA selection is operationalized via heterogeneous methods based upon individual-level attributes. A sociometric position selection strategy, however, could increase peer influence potency and halt transmission at key network locations. In this study, we selected candidate PCAs based upon relative sociometric bridging and centrality scores and assessed their attributes in comparison to one another and to existing peer educators. We focused upon an emerging HIV epidemic among men who have sex with men in Southern India in 2011. PCAs selected based on their bridging score were more likely to be innovators when compared to other centrally-located PCAs, to PCAs located on the periphery, and to existing peer educators. We also found that sociodemographic attributes and risk behaviors were similar across all candidate PCAs, but risk behaviors of existing peer educators differed. Existing peer educators were more likely to engage in higher risk behavior such as receiving money for sex when compared to sociometrically selected peer changes agents. These existing peer educators were also more likely to exhibit leadership qualities within the overall network; they were, however, just as likely as other non-trained candidate peer change agents to report important HIV intravention behavior (encouraging condoms within their network). The importance of identifying bridges who may be able to diffuse innovation more effectively within high risk HIV networks is especially critical given recent efficacy data from novel HIV prevention interventions such as pre-exposure prophylaxis. Moreover, while existing peer educators were more likely to be leaders in our analysis, using peer educators with high risk behavior may have limited utility in enacting behavior change among sex worker peers or male clients in the network.


Assuntos
Infecções por HIV/prevenção & controle , Grupo Associado , Apoio Social , Adulto , Preservativos/estatística & dados numéricos , Infecções por HIV/transmissão , Homossexualidade Masculina/psicologia , Humanos , Índia , Liderança , Masculino , Pessoa de Meia-Idade , Modelos Psicológicos , Comportamento de Redução do Risco , Assunção de Riscos , Comportamento Sexual , Adulto Jovem
14.
J Gerontol B Psychol Sci Soc Sci ; 69 Suppl 2: S117-24, 2014 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-25360012

RESUMO

OBJECTIVES: Provide recommendations for researchers on the use of the Big Five personality battery in the National Social Life, Health, and Aging Project (NSHAP), and ensure that the battery does proxy the Big Five. Also, describe the levels of Big Five traits across gender and age. METHOD: We used an Exploratory Structural Equation Model (ESEM) to analyze NHSAP's personality battery, comparing NSHAP with the National Longitudinal Study of Midlife in the United States (MIDUS) and the Health and Retirement Study (HRS). RESULTS: ESEM revealed a 5-factor structure in the NSHAP battery, but with considerable cross-loadings. When these cross-loadings were not included in the model, model fit notably worsened. Reliabilities of Big Five scales were comparable to the HRS and MIDUS, even though NSHAP's battery is shorter. Women were considerably more Agreeable than men, although this gender gap closed among the oldest in the sample (80 years or older). DISCUSSION: Researchers will be able to make use of NSHAP's personality battery to examine a range of social, biological, and psychological factors at older ages, in light of individuals' general traits. We recommend models which allow for cross-loadings.


Assuntos
Envelhecimento/psicologia , Personalidade , Fatores Etários , Idoso/psicologia , Idoso de 80 Anos ou mais , Feminino , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Inventário de Personalidade , Reprodutibilidade dos Testes , Fatores Sexuais , Estados Unidos/epidemiologia
15.
J Gerontol B Psychol Sci Soc Sci ; 69 Suppl 2: S75-82, 2014 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-25360026

RESUMO

OBJECTIVES: This article describes new longitudinal data on older adults' egocentric social networks collected by the National Social Life, Health, and Aging Project (NSHAP). We describe a novel survey technique that was used to record specific personnel changes that occurred within respondents' networks during the 5-year study period, and we make recommendations regarding usage of the resulting data. METHOD: Descriptive statistics are presented for measures of network size, composition, and structure at both waves, respondent-level summary measures of change in these characteristics between waves, as well as measures that distinguish between changes associated with losses of Wave 1 network members, additions of new ones, and changes in relationships with network members who were present at both waves. RESULTS: The NSHAP network change module was successful in providing reliable information about specific changes that occurred within respondents' confidant networks. Most respondents lost at least one confidant from W1 and added at least one new confidant between waves as well. Network growth was more common than network shrinkage. Both lost and new ties were weaker than ties that persisted throughout the study period. DISCUSSION: These data provide new insight into the dynamic nature of networks in later life, revealing norms of network turnover, expansion, and weakening. Data limitations are discussed.


Assuntos
Envelhecimento/psicologia , Apoio Social , Idoso/psicologia , Coleta de Dados/métodos , Feminino , Humanos , Relações Interpessoais , Entrevistas como Assunto , Estudos Longitudinais , Masculino , Estados Unidos/epidemiologia
16.
BMC Geriatr ; 14: 102, 2014 Sep 14.
Artigo em Inglês | MEDLINE | ID: mdl-25217892

RESUMO

BACKGROUND: This paper has two objectives. Firstly, it provides an overview of the social network module, data collection procedures, and measurement of ego-centric and complete-network properties in the Korean Social Life, Health, and Aging Project (KSHAP). Secondly, it directly compares the KSHAP structure and results to the ego-centric network structure and results of the National Social Life, Health, and Aging Project (NSHAP), which conducted in-home interviews with 3,005 persons 57 to 85 years of age in the United States. METHODS: The structure of the complete social network of 814 KSHAP respondents living in Township K was measured and examined at two levels of networks. Ego-centric network properties include network size, composition, volume of contact with network members, density, and bridging potential. Complete-network properties are degree centrality, closeness centrality, betweenness centrality, and brokerage role. RESULTS: We found that KSHAP respondents with a smaller number of social network members were more likely to be older and tended to have poorer self-rated health. Compared to the NSHAP, the KSHAP respondents maintained a smaller network size with a greater network density among their members and lower bridging potential. Further analysis of the complete network properties of KSHAP respondents revealed that more brokerage roles inside the same neighborhood (Ri) were significantly associated with better self-rated health. Socially isolated respondents identified by network components had the worst self-rated health. CONCLUSIONS: The findings demonstrate the importance of social network analysis for the study of older adults' health status in Korea. The study also highlights the importance of complete-network data and its ability to reveal mechanisms beyond ego-centric network data.


Assuntos
Envelhecimento/psicologia , Nível de Saúde , Inquéritos Epidemiológicos , Autorrelato , Apoio Social , Idoso , Idoso de 80 Anos ou mais , Envelhecimento/fisiologia , Estudos Transversais , Feminino , Inquéritos Epidemiológicos/métodos , Humanos , Masculino , Pessoa de Meia-Idade , República da Coreia/epidemiologia
17.
PLoS One ; 9(7): e101416, 2014.
Artigo em Inglês | MEDLINE | ID: mdl-24992340

RESUMO

PURPOSE: Improve the ability to infer sex behaviors more accurately using network data. METHODS: A hybrid network analytic approach was utilized to integrate: (1) the plurality of reports from others tied to individual(s) of interest; and (2) structural features of the network generated from those ties. Network data was generated from digitally extracted cell-phone contact lists of a purposeful sample of 241 high-risk men in India. These data were integrated with interview responses to describe the corresponding individuals in the contact lists and the ties between them. HIV serostatus was collected for each respondent and served as an internal validation of the model's predictions of sex behavior. RESULTS: We found that network-based model predictions of sex behavior and self-reported sex behavior had limited correlation (54% agreement). Additionally, when respondent sex behaviors were re-classified to network model predictions from self-reported data, there was a 30.7% decrease in HIV seroprevalence among groups of men with lower risk behavior, which is consistent with HIV transmission biology. CONCLUSION: Combining the relative completeness and objectivity of digital network data with the substantive details of classical interview and HIV biomarker data permitted new analyses and insights into the accuracy of self-reported sex behavior.


Assuntos
Infecções por HIV/epidemiologia , Comportamento Sexual , Adolescente , Adulto , Biomarcadores/análise , Telefone Celular , HIV/metabolismo , Infecções por HIV/metabolismo , Humanos , Entrevistas como Assunto , Masculino , Modelos Teóricos , Redes Neurais de Computação , Autorrelato , Software , Adulto Jovem
18.
AIDS Behav ; 18(2): 335-45, 2014 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-24337699

RESUMO

Younger Black men who have sex with men (BMSM) ages 16-29 have the highest rates of HIV in the United States. Despite increased attention to social and sexual networks as a framework for biomedical intervention, the role of measured network positions, such as bridging and their relationship to HIV risk has received limited attention. A network sample (N = 620) of BMSM respondents (N = 154) and their MSM and transgendered person network members (N = 466) was generated through respondent driven sampling of BMSM and elicitation of their personal networks. Bridging status of each network member was determined by a constraint measure and was used to assess the relationship between this bridging and unprotected anal intercourse (UAI), sex-drug use (SDU), group sex (GS) and HIV status within the network in South Chicago. Low, moderate and high bridging was observed in 411 (66.8 %), 81 (13.2 %) and 123 (20.0 %) of the network. In addition to age and having sex with men only, moderate and high levels of bridging were associated with HIV status (aOR 3.19; 95 % CI 1.58-6.45 and aOR 3.83; 95 % CI 1.23-11.95, respectively). Risk behaviors observed including UAS, GS, and SDU were not associated with HIV status, however, they clustered together in their associations with one another. Bridging network position but not risk behavior was associated with HIV status in this network sample of younger BMSM. Socio-structural features such as position within the network may be important when implementing effective HIV prevention interventions in younger BMSM populations.


Assuntos
Negro ou Afro-Americano/estatística & dados numéricos , Infecções por HIV/etnologia , Homossexualidade Masculina/etnologia , Comportamento Sexual , Rede Social , Adolescente , Adulto , Chicago/epidemiologia , Estudos Transversais , Infecções por HIV/prevenção & controle , Homossexualidade Masculina/estatística & dados numéricos , Humanos , Modelos Logísticos , Masculino , Prevalência , Assunção de Riscos , Fatores Socioeconômicos , Sexo sem Proteção , Adulto Jovem
19.
Am J Public Health ; 103(1): e28-36, 2013 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-23153147

RESUMO

OBJECTIVES: We evaluated network mixing and influences by network members upon Black men who have sex with men. METHODS: We conducted separate social and sexual network mixing analyses to determine the degree of mixing on risk behaviors (e.g., unprotected anal intercourse [UAI]). We used logistic regression to assess the association between a network "enabler" (would not disapprove of the respondent's behavior) and respondent behavior. RESULTS: Across the sample (n = 1187) network mixing on risk behaviors was more assortative (like with like) in the sexual network (r(sex), 0.37-0.54) than in the social network (r(social), 0.21-0.24). Minimal assortativity (heterogeneous mixing) among HIV-infected men on UAI was evident. Black men who have sex with men reporting a social network enabler were more likely to practice UAI (adjusted odds ratio = 4.06; 95% confidence interval = 1.64, 10.05) a finding not observed in the sexual network (adjusted odds ratio = 1.31; 95% confidence interval = 0.44, 3.91). CONCLUSIONS: Different mixing on risk behavior was evident with more disassortativity among social than sexual networks. Enabling effects of social network members may affect risky behavior. Attention to of high-risk populations' social networks is needed for effective and sustained HIV prevention.


Assuntos
Negro ou Afro-Americano/psicologia , Infecções por HIV/transmissão , HIV , Homossexualidade Masculina/etnologia , Comportamento Sexual/etnologia , Rede Social , Adulto , Infecções por HIV/epidemiologia , Infecções por HIV/prevenção & controle , Inquéritos Epidemiológicos , Humanos , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Assunção de Riscos , Adulto Jovem
20.
AIDS Patient Care STDS ; 26(10): 631-40, 2012 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-22973951

RESUMO

Indian truck drivers and their younger apprentice drivers are at increased risk of HIV infection. We determine network and risk practices associated with willingness to adopt HIV prevention interventions currently not being used in India: rapid HIV testing, circumcision, and preexposure prophylaxis (PrEP) in order to inform the National AIDS Control Program (NACP). Truck drivers and truck cleaners were systematically recruited to participate in a social network and risk survey in Hyderabad, Southern India. Three separate composite measures of acceptability of rapid HIV testing, circumcision, and PrEP acceptability were utilized to independently assess the relationship of these prevention interventions with risk-practices and social network characteristics. An 89% participation rate yielded 1602 truck drivers and truck cleaners with 54.2% younger than 30 years of age and 2.8% HIV infected. Twenty-five percent of respondents reported sex with female sex workers (FSW) and 5% with men (MSM). Rapid testing, circumcision, and PrEP acceptability were 97.4%, 9.1%, and 85.9%, respectively. Participants reporting prosocial network characteristics were more accepting of rapid testing (adjusted odds ratio [AORs] 3.07-6.71; p<0.05) and demonstrated variable PrEP acceptability (AORs 0.08-2.22; p<0.001). Sex with FSWs was associated with PrEP acceptability (AOR 4.27; p<0.001); sex with MSM was associated with circumcision acceptability only (AOR 2.66; p<0.01). Social network factors and risk-practices were associated with novel prevention acceptability, but not consistently across intervention type and with variable directionality. The NACP will need to consider that intervention uptake may likely be most successful when efforts are targeted to individuals with specific behavior and social network characteristics.


Assuntos
Síndrome da Imunodeficiência Adquirida/epidemiologia , Condução de Veículo/estatística & dados numéricos , Circuncisão Masculina/estatística & dados numéricos , Soropositividade para HIV/epidemiologia , Comportamento Sexual/estatística & dados numéricos , Apoio Social , Síndrome da Imunodeficiência Adquirida/prevenção & controle , Síndrome da Imunodeficiência Adquirida/transmissão , Adolescente , Adulto , Idoso , Soropositividade para HIV/transmissão , Conhecimentos, Atitudes e Prática em Saúde , Promoção da Saúde , Humanos , Índia/epidemiologia , Masculino , Programas de Rastreamento , Pessoa de Meia-Idade , Veículos Automotores , Aceitação pelo Paciente de Cuidados de Saúde , Prevalência , Assunção de Riscos , Trabalho Sexual , Inquéritos e Questionários , População Branca , Adulto Jovem
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