Life satisfaction and depression in a 15-year follow-up of healthy adults.

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    • Subject Terms:
      DEPRESSED persons; MENTAL depression; AFFECTIVE disorders; NEURASTHENIA; NEUROSES; ADULTS; DIAGNOSIS of mental depression; MENTAL health; QUALITY of life; COMPARATIVE studies; LONGITUDINAL method; RESEARCH methodology; MEDICAL cooperation; PSYCHOLOGICAL tests; RESEARCH; SATISFACTION; SYMPTOMS; EVALUATION research; CROSS-sectional method; PSYCHOLOGY
    • Subject Terms:
      FINLAND
    • Abstract:
      Objective: The aim of this study was to investigate the cross-sectional and longitudinal relationship between life satisfaction and depressive symptoms in healthy adults.Method: This is a 15-year prospective cohort study with a nationwide sample of healthy Finnish adults (N = 9679), aged 18-45, who responded to postal questionnaires in 1975, 1981 and 1990 including a 4-item life satisfaction (LS) scale (range 4-20) and, in 1990, the 21-item Beck Depression Inventory (BDI).Results: A strong linear association was found between concurrent LS and BDI scales (r = 0.6). With an LS cut-off point of 11/12, moderate/severe depression (BDI > or = 19) was detected with 87% sensitivity, 88 % specificity and a 94% area under the ROC curve. Longitudinally, a strongly increased risk of moderate/severe depression in 1990 was observed among the dissatisfied (LS 12-20) compared with the satisfied (LS 4-6) in 1975 (OR = 6.7; 95 %CI 4.2-10.9) and in 1981 (OR = 10.4; 6.1-17.6).Conclusion: The 4-item LS scale can identify a group of healthy people from the general population with a high risk of having or developing depressive symptoms. Since low life satisfaction also indicates an elevated risk of other adverse health outcomes, the assessment of subjective well-being should be encouraged both in surveys and in clinical practice. [ABSTRACT FROM AUTHOR]
    • Abstract:
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