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Studies

Tamakoshi et al. (2000): study JP 1989

Publication

Author(s):
Tamakoshi, A.; Ohno, Y; Yamada, T.
Title:
Depressive Mood and Suicide among Middle-Aged Workers: Findings from a Prospective Cohort Study in Nagoya, Japan.
Source:
Journal of Epidemiology, 2000, Vol. 10, 173 - 178

Investigation

Public:
40-54 aged male workers, Japan, followed 4,5 years 1989-1995
Sample:
Probability stratified sample
Respondents:
N = 18450
Non Response:
4,5% non-response at T1
Assessment:
Questionnaire: paper
Questionnaire at T1, registration of cause of death at T2.

Happiness Measure(s) and Distributional Findings

Full text:
Self report on single question:

I am not satisfied with my life
1  all the time
2  most of the time
3  sometimes
4  never

Item in Zung's Depression Scale
Classification:
M-TH-u-sq-v-4-a
Author's label:
Depressive Mood and Suicide
Remarks:
1+2 : 7,6%,  2 : 41,9%, 3: 50,5%
Page in publication:
173-178

Correlational Findings

Author's label Subject Description Finding Suicide Later suicidal behavior