Métodos para estimar razão de prevalência em estudos de corte transversal

Coutinho, Letícia Maria Silva; Scazufca, Márcia; Menezes, Paulo Rossi

doi:10.1590/s0034-89102008000600003

Cited by 444 publications

(254 citation statements)

References 12 publications

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“…Second, prevalence and 95% confidence intervals (95% CI) of the variables of interest were calculated. Given the cross‐sectional nature of the study, as well as potential high prevalence of the outcome of interest (Barros and Hirakata, 2003), the association between depression and glycemic control was evaluated using Poisson regression models with robust standard errors (Coutinho et al ., 2008), reporting prevalence ratios (PR) and 95% CI adjusted for potential confounders. Different models were fitted utilizing a hierarchical approach (Victora et al ., 1997), conducted to better understand the potential influence of covariates in the association of interest.…”

Section: Methodsmentioning

confidence: 99%

Association between depression and glycemic control among type 2 diabetes patients in Lima, Peru

Crispín‐Trebejo

Robles‐Cuadros

Bernabé‐Ortiz

2015

Asia-Pacific Psychiatry

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IntroductionThere is limited and controversial information regarding the potential impact of depression on glycemic control. This study aims to evaluate the association between depression and poor glycemic control. In addition, the prevalence of depression and rates of poor glycemic control were determined.MethodsCross‐sectional study performed in the endocrinology unit of two hospitals of ESSALUD in Peru. The outcome of interest was poor glycemic control, evaluated by glycated hemoglobin (HbA1c: < 7% versus ≥ 7%), whereas the exposure of interest was depression defined as 15 or more points in the Patient Health Questionnaire‐9 tool.The association of interest was evaluated using Poisson regression models with robust standard errors reporting prevalence ratios (PR) and 95% confidence intervals (95% CI) adjusting for potential confounders.ResultsA total of 277 participants, 184 (66.4%) males, mean age 59.0 (SD: 4.8), and 7.1 (SD: 6.8) years of disease were analyzed. Only 31 participants (11.2%; 95% CI: 7.5%–14.9%) had moderately severe or severe depression, whereas 70 (25.3%; 95% CI 20.3%–30.8%) had good glycemic control. Depression increased the probability of having poor glycemic control (PR = 1.32; 95% CI 1.15–1.51) after adjusting for several potential confounders.ConclusionsThere is an association between depression and poor glycemic control among type 2 diabetes patients. Our results suggest that early detection of depression might be important to facilitate appropriate glycemic control and avoid further metabolic complications.

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Section: Methodsmentioning

confidence: 99%

Association between depression and glycemic control among type 2 diabetes patients in Lima, Peru

Crispín‐Trebejo

Robles‐Cuadros

Bernabé‐Ortiz

2015

Asia-Pacific Psychiatry

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“…4,6 The backward method was used: the variables of the fi rst hierarchical level were analyzed together and the variables with signifi cance greater than or equal to 20% were progressively excluded. The variables of the second hierarchical level were then added to the model, and the same procedure was followed, with progressive exclusion of the variables of this level with p ≥ 0.20.…”

Section: Methodsmentioning

confidence: 99%

Prevalência da anemia e fatores associados em crianças de seis a 59 meses de Pernambuco

et al. 2011

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OBJECTIVE:To estimate the prevalence of anemia and to identify its associated factors in children aged 6-59 months. METHODS:This was a cross-sectional study on data from the Third Health and Nutrition Survey of the State of Pernambuco, Northeastern Brazil, with a representative sample of 1,403 children from urban and rural areas. Anemia was diagnosed by means of hemoglobin assays. Multivariate analysis was performed though a hierarchical model, using robust-variance Poisson regression to estimate the prevalence ratio as a function of the following variables: biological factors, morbidity, child nutritional state, socioeconomic factors, housing, sanitation and maternal factors. RESULTS:The weighted prevalence of anemia was 32.8% overall: 31.5% in urban areas and 36.6% in rural areas. In urban areas, anemia was signifi cantly associated with maternal education, consumer goods, number of children less than fi ve years old in the home, drinking water treatment, maternal age, maternal anemia and the child's age. In rural areas, only maternal age and the child's age were signifi cantly associated with anemia. CONCLUSIONS:The prevalence of anemia in children in Pernambuco was similar in urban and rural areas. The factors associated with anemia that are presented here should be taken into consideration in planning effective measures for its control.

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“…To get around this problem, the robust variance method was used, which allows convergence of the results from the regression with similar results obtained using the Mantel-Haenszel method. 7 To calculate the association measurements, the reference group for the analysis on factors associated with vaccination was the group of vaccinated individuals. PR > 1 represented greater prevalence in the strata analyzed strata and PR < 1, lesser vaccination prevalence in the strata analyzed, comparatively to the reference group.…”

Section: Methodsmentioning

confidence: 99%

Vacinação contra hepatite B e exposição ocupacional no setor saúde em Belo Horizonte, Minas Gerais

Assunção

Araújo

Ribeiro³

et al. 2012

Rev. Saúde Pública

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OBJECTIVE:To identify factors associated with vaccination against hepatitis B among healthcare workers. METHODS:This was a cross-sectional study on 1,808 public-sector healthcare workers in Belo Horizonte, Southeastern Brazil, in 2009. A self-administered questionnaire was used and the vaccination situation was analyzed taking sociodemographic characteristics, lifestyle and working conditions and characteristics into consideration. Univariate (p < 0.20) and multiple (p < 0.05) statistical analyses were performed using Poisson regression to evaluate factors associated with vaccination. RESULTS:Of the workers, 85.6% declared that they had been vaccinated, although only 74.9% of the vaccinated professionals had received a complete imunization schedule. Not having been vaccinated was associated with not having a partner; having high school, technical or incomplete higher education level; work characteristics such as working in surveillance or the administrative/ general services sector; and not using personal protection equipment. CONCLUSIONS:Groups with lower vaccination coverage were identifi ed. Efforts are required to ensure access and adherence to vaccination among healthcare workers, such as awareness-raising mechanisms.

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Métodos para estimar razão de prevalência em estudos de corte transversal

Cited by 444 publications

References 12 publications

Association between depression and glycemic control among type 2 diabetes patients in Lima, Peru

Association between depression and glycemic control among type 2 diabetes patients in Lima, Peru

Prevalência da anemia e fatores associados em crianças de seis a 59 meses de Pernambuco

Vacinação contra hepatite B e exposição ocupacional no setor saúde em Belo Horizonte, Minas Gerais

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