Life satisfaction and mortality in elderly people: The Kangwha Cohort Study

BMC Public Health

Heechoul Ohrr¹  Sang-Wook Yi⁴  Bayasgalan Gombojav³  Jae Woong Sull²  Heejin Kimm³ 

[1] Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, Korea;Department of Biomedical Laboratory Science, College of Health Science, Eulji University, 212, Yangji-dong, Sujoung-gu, Sungnam-Si, Gyeongi-Do 461-713, Korea;Institute for Health Promotion & Department of Epidemiology and Health Promotion, Graduate School of Public Health, Yonsei University, Seoul, Korea;Department of Preventive Medicine and Public Health, Kwandong University College of Medicine, Gangneung, Korea

关键词: Quality of life;    Cardiovascular disease;    Mortality;    Elderly;    Life satisfaction;   

Others  :  1163920
DOI  :  10.1186/1471-2458-12-54

 received in 2011-09-07, accepted in 2012-01-19,  发布年份 2012

【 摘 要 】

Background

As well as biomedical risk factors, psychological factors have been reported to be related to mortality rate. The purpose of this study was to examine the relationship between life satisfaction and mortality in elderly people through an 11.8-year follow-up study of a prospective cohort.

Methods

Among 3,600 participants of the Kangwha Cohort Study who survived in 1994, 1,939 respondents of the Life Satisfaction Index (LSI)-A questionnaire were included (men, 821; women, 1118). The mortality risk for the period up to December 2005 was measured using the Cox Proportional Hazard Model.

Results

When the relationship between LSI and mortality was evaluated in men, the unsatisfied group with lower LSI scores showed a significantly higher risk of all-cause mortality (hazard ratio [HR], 1.42; 95% confidence interval [CI], 1.11-1.83) than the satisfied group with higher LSI scores. In women, the unsatisfied group showed a significantly higher risk of all-cause mortality (HR, 1.51; 95% CI, 1.18-1.92) and cardiovascular mortality (HR, 2.23; 95% CI, 1.30-3.85) than the satisfied group.

Conclusion

We found that elderly people with a lower LSI score, regardless of gender, were at risk of increased mortality from all causes, and low LSI score was also associated with cardiovascular mortality.

【 授权许可】

   
2012 Kimm et al; licensee BioMed Central Ltd.

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