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1.
BMC Public Health ; 14: 683, 2014 Jul 04.
Artigo em Inglês | MEDLINE | ID: mdl-24996669

RESUMO

BACKGROUND: Whether health literacy is independently associated with processes or outcomes of diabetes-related care is controversial. We tried to demonstrate the interaction of health literacy and understanding of health education and instructions in achieving glycemic control. METHODS: Five hundred and one consecutive patients with type 2 diabetes mellitus (DM) in the outpatient clinic of the metabolism department were recruited into this pilot study. The demographic data were collected from patients' self-reports. The clinical background information was collected through electronic medical records. A questionnaire derived from part of the Mandarin Health Literacy Scale was used to measure numeracy and functional health literacy of people with diabetes. Health literacy levels were categorized into inadequate, marginal and adequate. Patient self-ratings of their perceived understanding of the health education information and instructions provided by their case manager in the past were categorized into two subgroups: better and poor. Patients with an HbA1c level equal to or below 7% were considered to have good glycemic control. Multivariate logistic regression was used to find associated factors of health literacy and understanding of health education and instructions. GENMOD procedures were used to analyze repeated outcome measurements of glycemic control. RESULTS: Higher educational attainment and higher household income (odds ratios were 2.23 and 2.22, respectively) were significantly associated with patients who had adequate health literacy. Higher educational attainment and patients with a family history of DM (odds ratios were 4.99 and 1.85, respectively) were significantly associated with better understanding of health education and instructions. Adequate health literacy is not the only factor associated with good glycemic control. The effect of adequate health literacy in achieving good glycemic control might be masked by patients with better understanding of health education and instructions. CONCLUSIONS: Our results revealed that not only were patients with adequate health literacy associated with good glycemic control but patients with marginal health literacy were also able to achieve good glycemic control. Adequate health literacy and better understanding of health education is highly correlated. The role of adequate health literacy on glycemic control could be suppressed if variables are over-controlled during analysis.


Assuntos
Glicemia/metabolismo , Compreensão , Diabetes Mellitus Tipo 2/terapia , Educação em Saúde , Letramento em Saúde , Idoso , Diabetes Mellitus Tipo 2/sangue , Registros Eletrônicos de Saúde , Família , Feminino , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Razão de Chances , Percepção , Projetos Piloto , Projetos de Pesquisa , Fatores Socioeconômicos , Inquéritos e Questionários
2.
PLoS Med ; 11(4): e1001625, 2014 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-24714449

RESUMO

BACKGROUND: Harm reduction strategies for combating HIV epidemics among people who inject drugs (PWID) have been implemented in several countries. However, large-scale studies using sensitive measurements of HIV incidence and intervention exposures in defined cohorts are rare. The aim of this study was to determine the association between harm reduction programs and HIV incidence among PWID. METHODS AND FINDINGS: The study included two populations. For 3,851 PWID who entered prison between 2004 and 2010 and tested HIV positive upon incarceration, we tested their sera using a BED HIV-1 capture enzyme immunoassay to estimate HIV incidence. Also, we enrolled in a prospective study a cohort of 4,357 individuals who were released from prison via an amnesty on July 16, 2007. We followed them with interviews at intervals of 6-12 mo and by linking several databases. A total of 2,473 participants who were HIV negative in January 2006 had interviews between then and 2010 to evaluate the association between use of harm reduction programs and HIV incidence. We used survival methods with attendance at methadone clinics as a time-varying covariate to measure the association with HIV incidence. We used a Poisson regression model and calculated the HIV incidence rate to evaluate the association between needle/syringe program use and HIV incidence. Among the population of PWID who were imprisoned, the implementation of comprehensive harm reduction programs and a lower mean community HIV viral load were associated with a reduced HIV incidence among PWID. The HIV incidence in this population of PWID decreased from 18.2% in 2005 to 0.3% in 2010. In an individual-level analysis of the amnesty cohort, attendance at methadone clinics was associated with a significantly lower HIV incidence (adjusted hazard ratio: 0.20, 95% CI: 0.06-0.67), and frequent users of needle/syringe program services had lower HIV incidence (0% in high NSP users, 0.5% in non NSP users). In addition, no HIV seroconversions were detected among prison inmates. CONCLUSIONS: Although our data are affected by participation bias, they strongly suggest that comprehensive harm- reduction services and free treatment were associated with reversal of a rapidly emerging epidemic of HIV among PWID. Please see later in the article for the Editors' Summary.


Assuntos
Epidemias/prevenção & controle , Infecções por HIV/complicações , Infecções por HIV/epidemiologia , Soroprevalência de HIV/tendências , HIV-1/isolamento & purificação , Redução do Dano , Abuso de Substâncias por Via Intravenosa , Adulto , Estudos de Coortes , Feminino , Infecções por HIV/virologia , Humanos , Incidência , Masculino , Avaliação de Programas e Projetos de Saúde , Fatores de Risco , Abuso de Substâncias por Via Intravenosa/complicações , Abuso de Substâncias por Via Intravenosa/epidemiologia , Abuso de Substâncias por Via Intravenosa/prevenção & controle , Taiwan/epidemiologia , Adulto Jovem
3.
Addiction ; 106(8): 1437-45, 2011 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-21438941

RESUMO

AIMS: To determine the effect of methadone maintenance therapy (MMT) on mortality among injection drug users. DESIGN: A cohort of prisoners with a history of injecting opiates who were followed after their release from prison in July 2007. Mortality between July 2007 and December 2008 was determined by linking the National Death Registry with the Methadone Maintenance Treatment (MMT) database. SETTING: Taiwan. PARTICIPANTS: A total of 4357 amnestied prisoners with a history of opiate injection. MEASUREMENTS: The total mortality rates (MR) among the cohort were calculated based on their person-time contribution to methadone attendance and re-incarceration during follow-up. We used survival methods with MMT and re-incarceration as time-varying covariates adjusted for length of follow-up in the community. RESULTS: A total of 142 deaths occurred: 13 in the 1st week after release [MR = 13.7/100 person-years (pyrs)], which was greater than that in the next 4 weeks [MR = 3.2/100 pyrs, relative rate (RR) = 4.3, P < 0.001]. Overall, 1982 (46%) subjects enrolled in MMT; however, 1282 of them discontinued MMT after enrolling. FINDINGS: The mortality among those who continued in MMT attendance was lower (MR = 0.24/100 pyrs) than those who never enrolled in MMT (MR = 2.6/100 pyrs) or those who enrolled but dropped out of MMT (MR = 7.0/100 pyrs) after adjusting for age, gender and human immunodeficiency virus status at amnesty (RR = 0.07). CONCLUSIONS: In ex-prisoners in Taiwan with a history of opiate injecting, enrollment and continued participation in methadone maintenance treatment is associated with substantially lower mortality.


Assuntos
Metadona/uso terapêutico , Entorpecentes/uso terapêutico , Tratamento de Substituição de Opiáceos , Prisioneiros/estatística & dados numéricos , Abuso de Substâncias por Via Intravenosa/mortalidade , Adulto , Idoso , Usuários de Drogas/estatística & dados numéricos , Métodos Epidemiológicos , Feminino , Infecções por HIV/epidemiologia , Infecções por HIV/prevenção & controle , Redução do Dano , Dependência de Heroína/mortalidade , Dependência de Heroína/reabilitação , Humanos , Masculino , Pessoa de Meia-Idade , Mortalidade , Pacientes Desistentes do Tratamento/estatística & dados numéricos , Avaliação de Programas e Projetos de Saúde , Abuso de Substâncias por Via Intravenosa/tratamento farmacológico , Abuso de Substâncias por Via Intravenosa/reabilitação , Taiwan/epidemiologia , Adulto Jovem
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