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Depression Linked to Diabetes in Older Adults

A group of researchers studied 5,201 people in the Cardiovascular Health Study, a long-term project of adults 65 years in four communities across the nation. Participants completed a 10-item depression-scale survey annually during 1989–1999.

Researchers looked for trends in the relationship between depression and diabetes. In particular, they wanted to know whether a single report of high depressive symptoms, an increase in depressive symptoms, or persistently high depressive symptoms were related to diabetes over time.

Analysis of data showed that depressive symptoms correlated closely with the incidence of type 2 diabetes. People with high depressive symptoms at baseline were 1.6 times more likely to develop diabetes than others, and those with persistently high symptoms of depression were 1.5 times more likely to develop diabetes. The link remained strong even when controlled for such factors as level of physical activity, smoking, drinking, body mass index, and levels of C-reactive protein.

Carnethon MR, Biggs ML, Barzilay JI, et al.: Longitudinal association between depressive symptoms and incident type 2 diabetes mellitus in older adults. Arch Intern Med 167: 802–807, 2007.[Abstract/Free Full Text]

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Services Email this article to a friend Similar articles in this journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Search for Related Content Social Bookmarking                What's this?