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Statin use and depressive symptoms in a prospective study of community‐living older persons
Author(s) -
Feng Liang,
Yap Keng Bee,
Kua Ee Heok,
Ng Tze Pin
Publication year - 2010
Publication title -
pharmacoepidemiology and drug safety
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.023
H-Index - 96
eISSN - 1099-1557
pISSN - 1053-8569
DOI - 10.1002/pds.1993
Subject(s) - medicine , depression (economics) , geriatric depression scale , statin , prospective cohort study , observational study , depressive symptoms , cohort study , longitudinal study , post hoc analysis , physical therapy , psychiatry , cognition , pathology , economics , macroeconomics
PURPOSE The association between statin use and depression is complex, and research findings have been mixed. The present study aimed to investigate the association of statin use with depressive symptoms among community‐living older persons, and its effect modifications by gender and medical co‐morbidity. METHOD Prospective observational study of 1803 participants aged 55 and above in the Singapore Longitudinal Ageing Studies cohort, with data of statin use and other risk factors for depression at baseline, and Geriatric Depression Scale (GDS) symptom scores at follow‐up (1.5 years). RESULTS Controlling for baseline demographics, cholesterol level and medical co‐morbidities, statin use was not associated with depressive symptom scores in the whole sample overall (regression coefficient = −0.12 (SE 0.10), F [1,1782]  = 1.44, p  = 0.23). Post hoc analyses suggested that statin use may be associated with fewer depressive symptoms in women ( p  = 0.02), and more depressive symptoms in men, particularly those with more medical co‐morbidities ( p  = 0.04) and multiple drug use ( p  = 0.02). CONCLUSION This study provided no strong evidence that support an overall association of statin use and depressive symptoms. The post hoc findings in this study are suggestive but may also be spurious and should be replicated in other studies. Copyright © 2010 John Wiley & Sons, Ltd.

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