| published 14-09-2007
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 Psychiatry tends to be a neglected area in the developing world, perhaps because of the priority of ensuring physical survival. Whatever the causes, this study shows that in the "happiest country in the world" depression is still a significant problem, at least in the elderly (over 65). Of special note, "there was a mean delay of 5 years from onset of depression to receipt of first treatment." That probably surprises no one, but it certainly shows a glaring gap that needs addressing. ... read more
"Findings: Lifetime and 12-month prevalence estimates of major depressive disorder were 26·2% (95% CI 24·3–28·2) and 7·1% (5·9–8·3) respectively. Female sex (odds ratio [OR] 1·9) and increasing levels of urbanisation of residence (OR 1·4) were associated with this disorder. People with major depressive disorder had impaired quality of life and functioning in home, work, and social roles. Independent ratings of symptom severity confirmed the presence of clinically significant depression in 96·9% of those with diagnosis, and increasing symptom severity was associated with greater disability and poorer quality of life. Only about 37% of lifetime cases had received any treatment, and there was a mean delay of 5 years from onset of depression to receipt of first treatment. Low economic status (0·3) and rural residence (1·0) predicted no treatment."
Epidemiology of major depressive disorder in elderly Nigerians in the Ibadan Study of Ageing: a community-based survey. Lancet 370:957-964, 15 Sep 2007.
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