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Associations of ikigai as a positive psychological factor with all-cause mortality and cause-specific mortality among middle-aged and elderly Japanese people: findings from the Japan Collaborative Cohort Study.
J Psychosom Res. 2009 Jul; 67(1):67-75.JP

Abstract

OBJECTIVE

To determine whether presence of ikigai as a positive psychological factor is associated with decreased risks for all-cause and cause-specific mortality among middle-aged and elderly Japanese men and women.

METHODS

From 1988 to 1990, a total of 30,155 men and 43,117 women aged 40 to 79 years completed a lifestyle questionnaire including a question about ikigai. Mortality follow-up was available for a mean of 12.5 years and was classified as having occurred in the first 5 years or the subsequent follow-up period. Associations between ikigai and all-cause and cause-specific mortality were assessed using a Cox's regression model. Multivariate hazard ratios (HRs) were adjusted for age, body mass index, drinking and smoking status, physical activity, sleep duration, education, occupation, marital status, perceived mental stress, and medical history.

RESULTS

During the follow-up period, 10,021 deaths were recorded. Men and women with ikigai had decreased risks of mortality from all causes in the long-term follow-up period; multivariate HRs (95% confidence intervals, CIs) were 0.85 (0.80-0.90) for men and 0.93 (0.86-1.00) for women. The risk of cardiovascular mortality was reduced in men with ikigai; the multivariate HR (95% CI) was 0.86 (0.76-0.97). Furthermore, men and women with ikigai had a decreased risk for mortality from external causes; multivariate HRs (95% CIs) were 0.74 (0.59-0.93) for men and 0.67 (0.51-0.88) for women.

CONCLUSION

The findings suggest that a positive psychological factor such as ikigai is associated with longevity among Japanese people.

Authors+Show Affiliations

Department of Hygiene and Preventive Medicine, Iwate Medical University School of Medicine, Morioka, Iwate, Japan. ktanno@iwate-med.ac.jpNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

19539820

Citation

Tanno, Kozo, et al. "Associations of Ikigai as a Positive Psychological Factor With All-cause Mortality and Cause-specific Mortality Among Middle-aged and Elderly Japanese People: Findings From the Japan Collaborative Cohort Study." Journal of Psychosomatic Research, vol. 67, no. 1, 2009, pp. 67-75.
Tanno K, Sakata K, Ohsawa M, et al. Associations of ikigai as a positive psychological factor with all-cause mortality and cause-specific mortality among middle-aged and elderly Japanese people: findings from the Japan Collaborative Cohort Study. J Psychosom Res. 2009;67(1):67-75.
Tanno, K., Sakata, K., Ohsawa, M., Onoda, T., Itai, K., Yaegashi, Y., & Tamakoshi, A. (2009). Associations of ikigai as a positive psychological factor with all-cause mortality and cause-specific mortality among middle-aged and elderly Japanese people: findings from the Japan Collaborative Cohort Study. Journal of Psychosomatic Research, 67(1), 67-75. https://doi.org/10.1016/j.jpsychores.2008.10.018
Tanno K, et al. Associations of Ikigai as a Positive Psychological Factor With All-cause Mortality and Cause-specific Mortality Among Middle-aged and Elderly Japanese People: Findings From the Japan Collaborative Cohort Study. J Psychosom Res. 2009;67(1):67-75. PubMed PMID: 19539820.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Associations of ikigai as a positive psychological factor with all-cause mortality and cause-specific mortality among middle-aged and elderly Japanese people: findings from the Japan Collaborative Cohort Study. AU - Tanno,Kozo, AU - Sakata,Kiyomi, AU - Ohsawa,Masaki, AU - Onoda,Toshiyuki, AU - Itai,Kazuyoshi, AU - Yaegashi,Yumi, AU - Tamakoshi,Akiko, AU - ,, Y1 - 2009/01/16/ PY - 2008/01/04/received PY - 2008/09/19/revised PY - 2008/10/29/accepted PY - 2009/6/23/entrez PY - 2009/6/23/pubmed PY - 2009/10/1/medline SP - 67 EP - 75 JF - Journal of psychosomatic research JO - J Psychosom Res VL - 67 IS - 1 N2 - OBJECTIVE: To determine whether presence of ikigai as a positive psychological factor is associated with decreased risks for all-cause and cause-specific mortality among middle-aged and elderly Japanese men and women. METHODS: From 1988 to 1990, a total of 30,155 men and 43,117 women aged 40 to 79 years completed a lifestyle questionnaire including a question about ikigai. Mortality follow-up was available for a mean of 12.5 years and was classified as having occurred in the first 5 years or the subsequent follow-up period. Associations between ikigai and all-cause and cause-specific mortality were assessed using a Cox's regression model. Multivariate hazard ratios (HRs) were adjusted for age, body mass index, drinking and smoking status, physical activity, sleep duration, education, occupation, marital status, perceived mental stress, and medical history. RESULTS: During the follow-up period, 10,021 deaths were recorded. Men and women with ikigai had decreased risks of mortality from all causes in the long-term follow-up period; multivariate HRs (95% confidence intervals, CIs) were 0.85 (0.80-0.90) for men and 0.93 (0.86-1.00) for women. The risk of cardiovascular mortality was reduced in men with ikigai; the multivariate HR (95% CI) was 0.86 (0.76-0.97). Furthermore, men and women with ikigai had a decreased risk for mortality from external causes; multivariate HRs (95% CIs) were 0.74 (0.59-0.93) for men and 0.67 (0.51-0.88) for women. CONCLUSION: The findings suggest that a positive psychological factor such as ikigai is associated with longevity among Japanese people. SN - 1879-1360 UR - https://www.unboundmedicine.com/medline/citation/19539820/Associations_of_ikigai_as_a_positive_psychological_factor_with_all_cause_mortality_and_cause_specific_mortality_among_middle_aged_and_elderly_Japanese_people:_findings_from_the_Japan_Collaborative_Cohort_Study_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0022-3999(08)00523-0 DB - PRIME DP - Unbound Medicine ER -