Productive activities and development of frailty in older adults
Jung, YJournal of Gerontology: Social Sciences 65B (2) : 256 ~ 261[2010]
Preventing depression in old age:It’s time
Reynolds, C. FAmerican Journal of Geriatric Psychiatrics 16 (6) : 433 ~ 434[2008]
Prevalence of depressionandcorrelates of depressive symptoms for residents in the urban part of Jeju Island, Korea
Kim, M. DInternational Journal of Social Psychiatry 53 : 123 ~ 134[2007]
Prevalence of depression among older Americans : the aging, demographics and memory study
Steffens, D. CInternational Psychogeriatrics 21 (5) : 879 ~ 888[2009]
Predicting the changes in depressive symptomatology in later life:How much do changes in health status, marital and caregiving status, work and volunteering, and health-related behaviors contribute
Choi, N. GJournal of Aging andHealth 19 : 152 ~ 177[2007]
Population based study of social and productive activities as predictors of survival among elderly Americans
Glass, T. ABritish Medical Journal 319 (7208) : 478 ~[1999]
Participation in productive activities and depression among older Europeans: Survey ofHealth,Ageing andRetirement in Europe (SHARE)