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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Late-Life Depressive Symptoms: An International Study

Jogerst, Gerald J., Zheng, Shimin, Frolova, Elena V., Kim, Mee Young 01 August 2012 (has links)
Objectives. Evaluate differences in depressive symptoms, compare sociodemographic and health-related variables associated with depressive symptoms and report level of impact of depressive symptoms on daily activities. Methods. Cross-sectional study using a self-administered questionnaire and Patient Health Questionnaire-9 (PHQ-9) diagnostic survey on 1115 patients aged 60–93 years who attended a primary care clinic in Korea, Russia or USA. Results. At least mild depression (PHQ-9 score of ≥5) occurred in 28% of Koreans, 65% of Russian and 27% of US participants. Russians scored more depressed on all PHQ-9 items (P < 0.01) and more suicidal thoughts (P < 0.001), while Koreans had less feelings of worthlessness (P < 0.001). Depression predictors included poorer self-rated health [odds ratio (OR) 2.47, 95% confidence interval (CI) 1.84–3.33, P < 0.0001], chronic diseases (OR 1.34, CI 1.21–1.48, P < 0.0001), female gender (OR 1.56, CI 1.15–2.12, P = 0.0046) and religious attendance (OR 0.88, CI 0.79–0.97, P = 0.0099) for all subjects. Being employed was protective in Korea (OR 0.41, CI 0.21–0.77, P = 0.0061) and being married (OR 0.42, CI 0.27–0.66, P = 0.0002) and of older age (OR 0.95, CI 0.93–0.98, P = 0.0006) protective in US participants. Vascular disease was associated with depressive symptoms in Russia (OR 3.47, CI 1.23–9.80, P = 0.0187). In regression analyses stratified by country for a given level of depressive symptoms, the Russian sample had less impact on daily activities (Russia R2 = 0.107 versus Korea R2 = 0.211 and US R2 = 0.419) P = 0.029. Conclusions. Depressive symptoms were more common in Russia than in Korea and USA but had less impact on daily functioning. Cultural or environmental factors may account for this finding.

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