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1.
Int Nurs Rev ; 59(2): 237-44, 2012 Jun.
Article in English | MEDLINE | ID: mdl-22591096

ABSTRACT

BACKGROUND: Nursing homes are occupational settings, with an increasing minority and immigrant workforce where several psychosocial stressors intersect. AIM: This study aimed to examine racial/ethnic differences in job strain between Black (n = 127) and White (n = 110) immigrant and American direct-care workers at nursing homes (total n = 237). METHODS: Cross-sectional study with data collected at four nursing homes in Massachusetts during 2006-2007. We contrasted Black and White workers within higher-skilled occupations such as registered nurses or licensed practical nurses (n = 82) and lower-skilled staff such as certified nursing assistants (CNAs, n = 155). RESULTS: Almost all Black workers (96%) were immigrants. After adjusting for demographic and occupational characteristics, Black employees were more likely to report job strain, compared with Whites [relative risk (RR): 2.9, 95% confidence interval (CI) 1.3 to 6.6]. Analyses stratified by occupation showed that Black CNAs were more likely to report job strain, compared with White CNAs (RR: 3.1, 95% CI: 1.0 to 9.4). Black workers were also more likely to report low control (RR: 2.1, 95% CI: 1.1 to 4.0). Additionally, Black workers earned $2.58 less per hour and worked 7.1 more hours per week on average, controlling for potential confounders. CONCLUSION: Black immigrant workers were 2.9 times more likely to report job strain than White workers, with greater differences among CNAs. These findings may reflect differential organizational or individual characteristics but also interpersonal or institutional racial/ethnic discrimination. Further research should consider the role of race/ethnicity in shaping patterns of occupational stress.


Subject(s)
Black or African American/psychology , Emigrants and Immigrants/psychology , Health Status Disparities , Nursing Homes , Nursing Staff/psychology , Occupational Diseases/epidemiology , Stress, Psychological/epidemiology , Adult , Africa/ethnology , Cross-Sectional Studies , Female , Humans , Long-Term Care , Male , Massachusetts/epidemiology , Nursing Assistants/psychology , Nursing, Practical , Regression Analysis , West Indies/ethnology , White People/psychology , Workforce
2.
Neurology ; 78(22): 1754-60, 2012 May 29.
Article in English | MEDLINE | ID: mdl-22641403

ABSTRACT

OBJECTIVE: Chronic occupational solvent exposure is associated with long-term cognitive deficits. Cognitive reserve may protect solvent-exposed workers from cognitive impairment. We tested whether the association between chronic solvent exposure and cognition varied by educational attainment, a proxy for cognitive reserve. METHODS: Data were drawn from a prospective cohort of French national gas and electricity (GAZEL) employees (n = 4,134). Lifetime exposure to 4 solvent types (chlorinated solvents, petroleum solvents, benzene, and nonbenzene aromatic solvents) was assessed using a validated job-exposure matrix. Education was dichotomized at less than secondary school or below. Cognitive impairment was defined as scoring below the 25th percentile on the Digit Symbol Substitution Test at mean age 59 (SD 2.8; 88% of participants were retired at testing). Log-binomial regression was used to model risk ratios (RRs) for poor cognition as predicted by solvent exposure, stratified by education and adjusted for sociodemographic and behavioral factors. RESULTS: Solvent exposure rates were higher among less-educated patients. Within this group, there was a dose-response relationship between lifetime exposure to each solvent type and RR for poor cognition (e.g., for high exposure to benzene, RR = 1.24, 95% confidence interval 1.09-1.41), with significant linear trends (p < 0.05) in 3 out of 4 solvent types. Recency of solvent exposure also predicted worse cognition among less-educated patients. Among those with secondary education or higher, there was no significant or near-significant relationship between any quantification of solvent exposure and cognition. CONCLUSIONS: Solvent exposure is associated with poor cognition only among less-educated individuals. Higher cognitive reserve in the more-educated group may explain this finding.


Subject(s)
Cognition Disorders/etiology , Cognition/drug effects , Educational Status , Occupational Diseases/chemically induced , Occupational Exposure/adverse effects , Solvents/adverse effects , Aged , Cognition Disorders/chemically induced , Cognition Disorders/epidemiology , Cognitive Reserve/drug effects , Cohort Studies , Dose-Response Relationship, Drug , Female , France/epidemiology , Humans , Male , Middle Aged , Neuropsychological Tests , Occupational Diseases/epidemiology , Odds Ratio , Prospective Studies , Retirement , Socioeconomic Factors , Solvents/chemistry
3.
J Epidemiol Community Health ; 62(6): 532-7, 2008 Jun.
Article in English | MEDLINE | ID: mdl-18477752

ABSTRACT

BACKGROUND: The association between schooling and old age cognitive outcomes such as memory disorders is well documented but, because of the threat of reverse causation, controversy persists over whether education affects old age cognition. Changes in state compulsory schooling laws (CSL) are treated as natural experiments (instruments) for estimating the effect of education on memory and mental status among the elderly. Changes in CSL predict changes in average years of schooling completed by children who are affected by the new laws. These educational differences are presumably independent of innate individual characteristics such as IQ. METHODS: CSL-induced changes in education were used to obtain instrumental variable (IV) estimates of education's effect on memory (n = 10,694) and mental status (n = 9751) for white, non-Hispanic US-born Health and Retirement Survey participants born between 1900 and 1947 who did not attend college. RESULTS: After adjustment for sex, birth year, state of birth and state characteristics, IV estimates of education's effect on memory were large and statistically significant. IV estimates for mental status had very wide confidence intervals, so it was not possible to draw meaningful conclusions about the effect of education on this outcome. CONCLUSIONS: Increases in mandatory schooling lead to improvements in performance on memory tests many decades after school completion. These analyses condition on individual states, so differences in memory outcomes associated with CSL changes cannot be attributed to differences between states. Although unmeasured state characteristics that changed contemporaneously with CSL might account for these results, unobserved genetic variation is unlikely to do so.


Subject(s)
Aging/physiology , Cognition/physiology , Education , Memory/physiology , Aged , Censuses , Child , Education/legislation & jurisprudence , Educational Status , Female , Health Status , Humans , Least-Squares Analysis , Male , Massachusetts , Schools/legislation & jurisprudence , Socioeconomic Factors
4.
Clin Rehabil ; 21(6): 511-22, 2007 Jun.
Article in English | MEDLINE | ID: mdl-17613582

ABSTRACT

OBJECTIVE: To evaluate the impact of a psychosocial intervention on instrumental activities of daily living, physical performance, cognition and mortality after stroke. DESIGN: A randomized clinical trial. SETTING: Patients were recruited from hospitals and rehabilitation centres; the intervention took place in subjects' homes. SUBJECTS: Two-hundred and ninety-one stroke survivors over age 45. One-hundred and forty-six subjects were assigned to the intervention and 145 subjects were assigned to usual care. INTERVENTION: Up to 16 meetings conducted over six months in the patient's home (approximately weekly for 12 weeks, followed by tri-weekly sessions for another 12 weeks). Sessions lasted approximately 1 hour and included, when possible, the entire support system (stroke survivor, primary caregiver, additional family and friends, and professional caregivers). MAIN OUTCOME MEASURES: Instrumental activities of daily living, physical performance, and cognition were assessed six months post stroke; mortality was assessed at an average of 47 months post stroke. RESULTS: No significant differences in outcomes were observed between the intervention and usual care groups when analysing the total study population. Among non-frail participants (n = 156), subjects randomized to treatment had better scores on instrumental activities of daily living (mean score among treated = 12.4 (standard deviation (SD) = 2.1), mean score among usual care subjects = 11.3 (SD = 2.9), P-value for difference in means = 0.01) and reduced risk of mortality (P = 0.03) than subjects randomized to usual care. CONCLUSION: While there is evidence that the treatment benefited healthier subgroups, results also show evidence that the treatment was not effective, and possibly harmful, in frail subgroups.


Subject(s)
Frail Elderly , Recovery of Function/physiology , Stroke Rehabilitation , Activities of Daily Living , Aged , Cognition/physiology , Female , Home Care Services, Hospital-Based , Humans , Male , Middle Aged , Psychomotor Performance/physiology , Stroke/mortality , Stroke/physiopathology
5.
J Epidemiol Community Health ; 60(11): 937-44, 2006 Nov.
Article in English | MEDLINE | ID: mdl-17053282

ABSTRACT

BACKGROUND: Studies conducted in the UK and Scandinavia show an inverse association between lifetime socioeconomic position and adult mortality. However, there are virtually no data from other countries and few investigations have examined non-cardiovascular mortality in men and women. METHODS: Lifelong socioeconomic trajectories (father's occupation, own occupation in young adulthood and in mid-life) and premature (< or = 65 years) mortality (all-cause, smoking-related cancer, diseases of the circulatory system and external causes) in the French GAZEL Cohort Study (14,972 men and 5,598 women, followed up between 1990 and 2004) were studied. Hazard ratios (HRs) were estimated using Cox's regression models adjusted for age, marital status, tobacco smoking, alcohol consumption, body mass index, and fruit and vegetable consumption. RESULTS: Men and women who experienced lifelong disadvantage or downward intergenerational mobility were at high risk of dying prematurely compared with those with a favourable trajectory (age-adjusted HRs for all-cause mortality: cumulative disadvantage: HR 1.61, 95% confidence interval (CI) 1.26 to 2.06 in men and HR 1.95, 95% CI 1.10 to 3.47 in women; downward mobility: HR 1.87, 95% CI 1.35 to 2.58 in men and HR 2.05, 95% CI 1.12 to 3.75 in women). Associations were strongest for mortality due to chronic diseases (smoking-related cancers and diseases of the circulatory system). These associations were partly explained by marital status, body mass index, alcohol consumption, cigarette smoking, and fruit and vegetable consumption. CONCLUSIONS: In France, where the leading cause of premature death is cancer, lifelong socioeconomic position is associated with the risk of dying before the age of 65 years. Adult factors seem more relevant than childhood socioeconomic circumstances.


Subject(s)
Neoplasms/mortality , Social Class , Adult , Age Distribution , Aged , Female , France/epidemiology , Humans , Life Style , Male , Middle Aged , Occupations , Proportional Hazards Models , Prospective Studies , Psychosocial Deprivation , Risk Assessment , Social Mobility
6.
J Epidemiol Community Health ; 57(4): 285-93, 2003 Apr.
Article in English | MEDLINE | ID: mdl-12646546

ABSTRACT

STUDY OBJECTIVES: The objective of this prospective cohort study was to determine whether psychosocial work characteristics and social relations exert independent effects on the incidence of sickness absence in a population of middle aged French employees over six years of follow up. DESIGN: This study included 9631 men and 3595 women participating in the French GAZEL cohort. Social relations (social networks, personal social support, and social relations satisfaction) were measured in 1994 by self report. Psychosocial work characteristics (decision latitude, psychological demands, and social support at work) were ascertained in 1995. Sickness absence data were collected independently. The authors studied the incidence of short (>7 days), intermediate (7-21 days), and long (>21 days) spells of absence from 1995 to 31 December 2001. Rate ratios associated with psychosocial exposures, adjusted on sociodemographic characteristics, and health behaviours, were calculated by means of log-linear Poisson regression. SETTING: A cohort of 20000 employees of France's national gas and electricity company (the GAZEL study). MAIN RESULTS: Among men and women, levels of decision latitude and personal social support below the median predicted 17% to 24% increases in absence rates. Low satisfaction with social relations and low social support at work lead to a 10% to 26% excess in sick leaves among men. No interactive effects were found between the variables under study. CONCLUSIONS: The quality of the work environment and of social relations affect sickness absence over an extended period of follow up. This study supports the hypothesis of independent, not interactive effects.


Subject(s)
Interpersonal Relations , Occupational Diseases/epidemiology , Sick Leave/statistics & numerical data , Adult , Age Distribution , Decision Making , Female , Follow-Up Studies , France/epidemiology , Humans , Male , Middle Aged , Occupational Diseases/psychology , Occupational Health/statistics & numerical data , Poisson Distribution , Prospective Studies , Risk Factors , Social Support
7.
Circulation ; 104(17): 2024-8, 2001 Oct 23.
Article in English | MEDLINE | ID: mdl-11673340

ABSTRACT

BACKGROUND: Clinical depression is associated with an increased risk for mortality in patients with a recent myocardial infarction (MI). Reduced heart rate variability (HRV) has been suggested as a possible explanation for this association. The purpose of this study was to determine if depression is associated with reduced HRV in patients with a recent MI. METHODS AND RESULTS: Three hundred eighty acute MI patients with depression and 424 acute MI patients without depression were recruited. All underwent 24-hour ambulatory electrocardiographic monitoring after hospital discharge. In univariate analyses, 4 indices of HRV were significantly lower in patients with depression than in patients without depression. Variables associated with HRV were then compared between patients with and without depression, and potential confounds were identified. These variables (age, sex, diabetes, and present cigarette smoking) were entered into an analysis of covariance model, followed by depression status. In the final model, all but one HRV index (high-frequency power) remained significantly lower in patients with depression than in patients without depression. CONCLUSIONS: We conclude that greater autonomic dysfunction, as reflected by decreased HRV, is a plausible mechanism linking depression to increased cardiac mortality in post-MI patients.


Subject(s)
Depression/physiopathology , Depression/therapy , Heart Rate , Myocardial Infarction/physiopathology , Autonomic Nervous System/physiopathology , Confounding Factors, Epidemiologic , Demography , Depression/complications , Electrocardiography, Ambulatory , Female , Heart Conduction System/physiopathology , Humans , Male , Middle Aged , Multivariate Analysis , Myocardial Infarction/complications , Myocardial Infarction/mortality , Neuropsychological Tests , Risk Factors , Signal Processing, Computer-Assisted , Social Isolation
8.
J Urban Health ; 78(3): 458-67, 2001 Sep.
Article in English | MEDLINE | ID: mdl-11564849

ABSTRACT

It is generally agreed that social ties play a beneficial role in the maintenance of psychological well-being. In this targeted review, we highlight four sets of insights that emerge from the literature on social ties and mental health outcomes (defined as stress reactions, psychological well-being, and psychological distress, including depressive symptoms and anxiety). First, the pathways by which social networks and social supports influence mental health can be described by two alternative (although not mutually exclusive) causal models-the main effect model and the stress-buffering model. Second, the protective effects of social ties on mental health are not uniform across groups in society. Gender differences in support derived from social network participation may partly account for the higher prevalence of psychological distress among women compared to men. Social connections may paradoxically increase levels of mental illness symptoms among women with low resources, especially if such connections entail role strain associated with obligations to provide social support to others. Third, egocentric networks are nested within a broader structure of social relationships. The notion of social capital embraces the embeddedness of individual social ties within the broader social structure. Fourth, despite some successes reported in social support interventions to enhance mental health, further work is needed to deepen our understanding of the design, timing, and dose of interventions that work, as well as the characteristics of individuals who benefit the most.


Subject(s)
Mental Disorders/psychology , Social Support , Adolescent , Adult , Age Distribution , Aged/psychology , Anxiety/psychology , Anxiety/therapy , Child , Cognition Disorders/psychology , Cognition Disorders/therapy , Depression/psychology , Depression/therapy , Ego , Female , Humans , Life Style , Male , Mental Disorders/epidemiology , Mental Disorders/therapy , Mental Health , Middle Aged , Models, Psychological , Prevalence , Sex Distribution , Socioeconomic Factors , Sociometric Techniques , Stress, Psychological/psychology
9.
Psychol Med ; 31(6): 965-77, 2001 Aug.
Article in English | MEDLINE | ID: mdl-11513382

ABSTRACT

BACKGROUND: Research shows that psychopathology, child sexual abuse and other childhood adversities are risk factors for suicide. However, few have investigated their joint and independent roles in the pursuit of a reliable, predictive model of suicidal behaviour. METHODS: Data are from the National Comorbidity Survey (N = 5877), a nationally representative study of prevalence, risk factors, and social consequences of psychiatric disorders in the US. Discrete time survival analysis and population attributable risk methodologies were utilized. RESULTS: Among those sexually abused as children, odds of suicide attempts were 2-4 times higher among women and 4-11 times higher among men, compared with those not abused, controlling for other adversities. Odds ratios were reduced but most remained statistically significant after adjusting for lifetime psychiatric illnesses preceding suicide attempts. In the same predictive equation, 79% of serious suicide attempts among women could be attributed to psychiatric disorders while 12% was attributable to rape and 7% to molestation. The highest probability of a first attempt was during early adolescence for those who were sexually abused and had a lifetime disorder, but it was 8-12 years older for those sexually abused without any disorders. CONCLUSIONS: In the US, a strong association exists between child sexual abuse and suicidal behaviour, mediated by psychopathology. There is a substantial proportion of suicide risk attributable to child sexual abuse beyond the presence of psychopathology and other adversities. From a clinical standpoint, abuse survivors represent a high-risk population for suicidal behaviour. Further research into this preventable antecedent of suicide attempts is necessary.


Subject(s)
Child Abuse, Sexual/psychology , Child Abuse, Sexual/statistics & numerical data , Suicide/psychology , Suicide/statistics & numerical data , Adult , Child , Female , Humans , Male , Mental Disorders/etiology , Prevalence , United States/epidemiology
10.
Am J Epidemiol ; 153(2): 123-31, 2001 Jan 15.
Article in English | MEDLINE | ID: mdl-11159156

ABSTRACT

Limited prospective data have examined the association between living arrangements and emotional wellbeing. The authors assessed whether older women living with a spouse were less likely to experience a decline in mental health, vitality, or physical function compared with women living alone or with nonspouse others. The association between living arrangement and 4-year change in functional health status was examined prospectively among 28,324 women aged 60-72 years in the Nurses' Health Study. After adjustment for age, baseline function, comorbid conditions, and health behaviors, women living alone had lower risk of decline in mental health (relative risk (RR) = 0.73, 95 percent confidence interval (CI): 0.65, 0.81) and vitality (RR = 0.72, 95 percent CI: 0.65, 0.80) compared with those living with a spouse. Contact with friends and relatives and level of social engagement were significantly protective against a decline in mental health among women living alone but not among women living with a spouse. These results suggest that women living independently are neither socially isolated nor at increased risk for decline in functional health status. In fact, these women actually fare better on measures of psychologic function than do women living with a spouse.


Subject(s)
Activities of Daily Living , Health Status , Mental Health , Residence Characteristics/statistics & numerical data , Social Isolation/psychology , Women's Health , Age Distribution , Aged , Comorbidity , Female , Health Behavior , Health Surveys , Humans , Middle Aged , Multivariate Analysis , Nurses/psychology , Nurses/statistics & numerical data , Prospective Studies , Risk Factors , Spouses/psychology , United States/epidemiology
11.
Am J Epidemiol ; 152(10): 965-73, 2000 Nov 15.
Article in English | MEDLINE | ID: mdl-11092438

ABSTRACT

Because of women's survival advantage, the impact of myocardial infarction (MI) on long-term mortality in women compared with men may be underestimated. The authors examined this issue in a community sample of 2,462 persons aged > or = 65 years living in New Haven, Connecticut, who were free of MI at baseline and were followed for 10 years (1982-1992). By using proportional hazards models with MI hospitalizations and the sex-MI interaction as time-dependent covariables, survival for the MI cases from the date of MI was compared with survival of persons who, at the same follow-up time, were still alive and free of MI. Women survived longer than men mainly in the absence of MI. The multivariable-adjusted hazard ratios of death were 0.53 in the absence and 0.87 in the presence of MI, and MI was associated with a greater risk of death in women (adjusted hazard ratio = 5.9) than in men (adjusted hazard ratio = 3.6) (p = 0.01 for the sex-MI interaction). When out-of-hospital fatal infarctions were considered, the impact of MI on survival in women compared with men increased. In conclusion, in this elderly cohort, when viewed from a population perspective, MI had a greater impact on mortality in women and significantly narrowed women's typical survival advantage over men.


Subject(s)
Myocardial Infarction/mortality , Aged , Cohort Studies , Connecticut/epidemiology , Female , Hospital Mortality , Humans , Incidence , Male , Proportional Hazards Models , Risk Factors , Sex Distribution , Survival Rate , Time Factors , Urban Population/statistics & numerical data
12.
J Gerontol B Psychol Sci Soc Sci ; 55(6): S334-40, 2000 Nov.
Article in English | MEDLINE | ID: mdl-11078110

ABSTRACT

OBJECTIVES: Increasing age, socioeconomic factors, and declining function and health have been linked to driving cessation, but little is known about the consequences of stopping driving. This study was designed to test the hypothesis that driving cessation leads to a decline in out-of-home activity levels. METHODS: In 1989 a survey of driving practices was administered to surviving noninstitutionalized members of the New Haven Established Populations for Epidemiologic Studies of the Elderly (EPESE) cohort. Of 1,316 respondents, 502 were active drivers as of 1988, 92 had stopped driving between 1982 and 1987, and 722 never drove or stopped before 1982. Information on sociodemographic and health-related variables came from in-home EPESE interviews in 1982, 1985, and 1988, and from yearly phone interviews. Activity was measured at all three in-home interviews, and an activity measure was created based on self-reported participation in nine out-of-home activities. A repeated measures random-effects model was used to test the effect of driving cessation on activity while controlling for potential confounders. RESULTS: Driving cessation was strongly associated with decreased out-of-home activity levels (coefficient-1.081, standard error 0.264, p < .001) after adjustment for sociodemographic and health-related factors. DISCUSSION: The potential consequences of driving limitations or cessation should be taken into account when advising older drivers and developing alternative transportation strategies to help maintain their mobility.


Subject(s)
Activities of Daily Living , Aging/psychology , Automobile Driving/psychology , Geriatric Assessment , Health Status , Leisure Activities/psychology , Aged , Analysis of Variance , Chi-Square Distribution , Confounding Factors, Epidemiologic , Connecticut/epidemiology , Female , Follow-Up Studies , Humans , Male , Models, Statistical , Morbidity , Socioeconomic Factors , Surveys and Questionnaires
14.
Soc Sci Med ; 51(6): 843-57, 2000 Sep.
Article in English | MEDLINE | ID: mdl-10972429

ABSTRACT

It is widely recognized that social relationships and affiliation have powerful effects on physical and mental health. When investigators write about the impact of social relationships on health, many terms are used loosely and interchangeably including social networks, social ties and social integration. The aim of this paper is to clarify these terms using a single framework. We discuss: (1) theoretical orientations from diverse disciplines which we believe are fundamental to advancing research in this area; (2) a set of definitions accompanied by major assessment tools; and (3) an overarching model which integrates multilevel phenomena. Theoretical orientations that we draw upon were developed by Durkheim whose work on social integration and suicide are seminal and John Bowlby, a psychiatrist who developed attachment theory in relation to child development and contemporary social network theorists. We present a conceptual model of how social networks impact health. We envision a cascading causal process beginning with the macro-social to psychobiological processes that are dynamically linked together to form the processes by which social integration effects health. We start by embedding social networks in a larger social and cultural context in which upstream forces are seen to condition network structure. Serious consideration of the larger macro-social context in which networks form and are sustained has been lacking in all but a small number of studies and is almost completely absent in studies of social network influences on health. We then move downstream to understand the influences network structure and function have on social and interpersonal behavior. We argue that networks operate at the behavioral level through four primary pathways: (1) provision of social support; (2) social influence; (3) on social engagement and attachment; and (4) access to resources and material goods.


Subject(s)
Health Status , Social Adjustment , Social Support , Adult , Child , Humans
15.
J Aging Health ; 12(1): 69-89, 2000 Feb.
Article in English | MEDLINE | ID: mdl-10848126

ABSTRACT

OBJECTIVES: The purpose of the analyses was to examine the impact of health-related variables on race differences in neuropsychological functioning (Boston Naming Task). METHODS: Using cross-sectional data from the MacArthur Successful Aging Study, the authors examined the relationship of demographic characteristics, health status, health habits, physical functioning, and speed of performance to naming and incidental recall of items from the Boston Naming Task. Participants were 1,175 healthy African American and European American older persons 70 to 79 years old. RESULTS: Regression analyses indicated that although race differences persisted for confrontational naming after controlling for demographic and health factors, there was no effect due to race for incidental recall scores or for savings scores for recall. DISCUSSION: The racial differences found in test performance may reflect differences in cultural appropriateness of the material rather than differences in ability.


Subject(s)
Aging , Memory , Neuropsychological Tests , Racial Groups , Black or African American , Aged , Culture , Demography , Health Status , Humans , United States , White People
16.
Am J Orthopsychiatry ; 70(2): 169-81, 2000 Apr.
Article in English | MEDLINE | ID: mdl-10826029

ABSTRACT

A family-focused psychosocial intervention for stroke survivors is described and illustrated with case studies. It is designed to improve functional recovery through four specific pathways: increased knowledge, efficacy, and control through stroke education; optimized social support; increased network cohesion; and improved problem-solving abilities. Rationales for these pathways are presented and methods of implementing them discussed.


Subject(s)
Family Therapy , Stroke/psychology , Aged , Female , Humans , Internal-External Control , Male , Middle Aged , Patient Care Team , Patient Education as Topic , Problem Solving , Social Support , Stroke Rehabilitation , Treatment Outcome
17.
J Gerontol A Biol Sci Med Sci ; 55(4): M221-31, 2000 Apr.
Article in English | MEDLINE | ID: mdl-10811152

ABSTRACT

BACKGROUND: Although it has been demonstrated that physical performance measures predict incident disability in previously nondisabled older persons, the available data have not been fully developed to create usable methods for determining risk profiles in community-dwelling populations. Using several populations and different follow-up periods, this study replicates previous findings by using the Established Populations for the Epidemiologic Study of the Elderly (EPESE) performance battery and provides equations for the prediction of disability risk according to age, sex, and level of performance. METHODS: Tests of balance, time to walk 8 ft, and time to rise from a chair 5 times were administered to 4,588 initially nondisabled persons in the four sites of the EPESE and to 1,946 initially nondisabled persons in the Hispanic EPESE. Follow-up assessment for activity of daily living (ADL) and mobility-related disability occurred from 1 to 6 years later. RESULTS: In the EPESE, compared with those with the best performance (EPESE summary performance score of 10-12), the relative risks of mobility-related disability for those with scores of 4-6 ranged from 2.9 to 4.9 and the relative risk of disability for those with scores of 7-9 ranged from 1.5 to 2.1, with similar consistent results for ADL disability. The observed rates of incident disability according to performance level in the Hispanic EPESE agreed closely with rates predicted from models developed from the EPESE sites. Receiver operating characteristic curves showed that gait speed alone performed almost as well as the full battery in predicting incident disability. CONCLUSIONS: Performance tests of lower extremity function accurately predict disability across diverse populations. Equations derived from models using both the summary score and the gait speed alone allow for the estimation of risk of disability in community-dwelling populations and provide valuable information for estimating sample size for clinical trials of disability prevention.


Subject(s)
Disability Evaluation , Gait , Leg/physiology , Activities of Daily Living , Aged , Geriatric Assessment , Hispanic or Latino , Humans , Postural Balance , Risk Factors , Walking
18.
J Clin Epidemiol ; 53(3): 285-9, 2000 Mar 01.
Article in English | MEDLINE | ID: mdl-10760639

ABSTRACT

We present results of item-response bias analyses of the exogenous variables age, gender, and race for all items from the Center for Epidemiologic Studies Depression (CES-D) scale using data (N = 2340) from the New Haven component of the Established Populations for Epidemiologic Studies of the Elderly (EPESE). The proportional odds of blacks responding higher on the CES-D items "people are unfriendly" and "people dislike me" were 2.29 (95% confidence interval: 1.74, 3.02) and 2.96 (95% confidence interval: 2.15, 4.07) times that of whites matched on overall depressive symptoms, respectively. In addition, the proportional odds of women responding higher on the CES-D item "crying spells" were 2.14 (95% confidence interval: 1.60, 2.82) times that of men matched on overall depressive symptoms. Our data indicate the CES-D would have greater validity among this diverse group of older men and women after removal of the crying item and two interpersonal items.


Subject(s)
Depression/diagnosis , Depression/epidemiology , Psychometrics/methods , Surveys and Questionnaires , Black or African American , Age Distribution , Aged , Aged, 80 and over , Analysis of Variance , Bias , Connecticut/epidemiology , Epidemiologic Methods , Female , Humans , Male , Reproducibility of Results , Sensitivity and Specificity , Sex Distribution , White People
20.
Cancer ; 89(11): 2176-86, 2000 Dec 01.
Article in English | MEDLINE | ID: mdl-11147587

ABSTRACT

BACKGROUND: Although physical and emotional function after the diagnosis of breast carcinoma have been described in clinic populations, to the authors' knowledge no previous study has measured change from the preillness level of functional health status in community-dwelling women. METHODS: The authors conducted a 4-year (1992-96) prospective study of functional recovery after breast carcinoma in a large sample of women, aged 54-73 years. They collected multidimensional measures of self-reported functional health status in 1992, before diagnosis of breast carcinoma, and again in 1996, to examine the risk of decline associated with incident breast carcinoma. RESULTS: After adjustment for age, baseline functional health status, and multiple covariates, women who developed incident breast carcinoma were more likely to have experienced reduced physical function, role function, vitality, and social function and increased bodily pain compared with women who remained free of breast carcinoma. Risk of decline was attenuated with increasing time since diagnosis. Risk of decline in physical function was evident across all stages of breast carcinoma, even after adjustment for women undergoing treatment for persistent or recurrent disease. We found evidence that the risk of decline among breast carcinoma cases compared with healthy women was largest among those who were most socially isolated. CONCLUSIONS: Breast carcinoma results in persistent declines in multiple dimensions of functional health status. These prospective data suggest that previous studies reporting no difference in physical function among breast carcinoma cases compared with disease free women underestimated the deleterious effect of the disease on function. Socially isolated women are an especially vulnerable group.


Subject(s)
Breast Neoplasms/physiopathology , Health Status , Adult , Aged , Breast Neoplasms/psychology , Female , Humans , Middle Aged , Multivariate Analysis , Prospective Studies , Risk Factors , Social Support
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