The lack of social support is the most common risk factor for late-life suicide. Few previous community-based interventions against the lack of social relationships reduced suicide. This study aims to evaluate outcomes of a community-based prevention program against suicide amongst the elderly in rural Japan. During 1995During -2002, the program based on population strategy including group activity, psychoeducation and self-assessment of depression but no screening for depression, was implemented for elderly residents in Yuri town, Japan (5-year average population 6817; 5-year average suicide rate [ ≥ 65 years old] 291.4/10 5 ). Changes in the relative risk of suicide for individuals ( ≥ 65 years old) before and after the 8-year implementation were estimated by the incidence rate ratio (IRR), using a quasi-experimental design with a neighboring reference, Chokai town, Japan (5-year average population 8136; 5-year average suicide rate [ ≥ 65 years old] 216.5/10 5 ). The risk of elderly females in Yuri completing suicide was reduced by 76% (age-adjusted IRR, 0.24; 95% CI, 0.10-0.58), while there was no change in the risks for Yuri's elderly males and both Chokai's elderly males and females. General loglinear analysis estimated a ratio of the female IRR in Yuri to that in its Akita prefecture of 0.35 (95% CI, 0.14-0.84), showing that the reduction of the risk in the intervention area was greater than a historical trend. A community-based suicide prevention through a group intervention designed to increase knowledge and to cultivate social relationships would be effective for elderly females but not males.
Little is known about the association between depression and the buffering effects of social support in mid-life crisis. The aim of this study is to determine the buffering effects of social support on depression concerning middle-aged individuals, while also taking reciprocity and gender differences into careful consideration. A cross-sectional survey of all middle-aged individuals (40-69 years of age) using a large sample (n = 4558) from a community-living population, who resided in Rokunohe town, Aomori prefecture in northern Japan (response rate = 69.8%), was undertaken. This town recently had a lot of suicides. Two-way anova was used to analyze the effects of stressor and social support on the Center for Epidemiologic Studies Depression scale scores. The authors found a stress buffering effect of social support on the depressive symptoms occurring in middle age, however, a significant difference in the stress buffer effect was only observed in male subjects. Moreover, when the authors take reciprocity into account, the effect of the buffer on depression was found not only in males receiving support but in males providing support as well.In conclusion, pertaining to males, social support reduces depressive symptoms under stressful circumstances in middle age, not only when they receive such support but also when they provide it. Therefore, these findings suggest that reciprocal social support is important for males in relation to community mental health.
The management of depression through a combination of an initial survey and subsequent screening holds clear promise for prompt effectiveness in the prevention of suicide for elderly men, and potentially for women.
Despite conducting a cross-sectional study, our new suicide prevention measures were considered effective for psychoeducation. However, further studies using a longitudinal design are needed.
This article introduces the reader to present conditions and suicide prevention measures in Japan. The suicide rate has increased gradually since the early 1990s, reaching a postwar peak in 1998. The number of suicides has remained at about 30,000 every year since 1998. Middle-aged (55-59 years) and elderly men have especially high suicide rates. In 2002, The Council of Learned People on Measures Against Suicides (organized by the Japanese Ministry of Health, Labor, and Welfare) released its report on national suicide prevention strategies. Although national suicide prevention strategies have just begun to be established, some prefectures or regions have undertaken unique suicide prevention measures.
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