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Alcohol consumption and suicide mortality among Japanese men: the Ohsaki Study.
Alcohol. 2007 Nov; 41(7):503-10.A

Abstract

The risk of suicide is well known to be increased among heavy alcohol drinkers. However, whether the risk is increased or decreased among light drinkers is still under debate. We investigated this association in a population-based sample of men in Japan. The Ohsaki Study was a population-based, prospective cohort study among Japanese adults aged from 40 to 79 years. Between October and December, 1994, 22,804 men in Miyagi Prefecture, Japan, completed a questionnaire on various health-related lifestyles, including alcohol drinking. During the subsequent 7 years follow-up, 73 participants committed suicide. We used the Cox proportional hazards regression model to estimate the hazard ratio (HR) for suicide mortality according to the quantity of alcohol consumed daily, with adjustment for potential confounders. There was a statistically significant positive and linear association between the amount of alcohol consumed and the risk of suicide: the multivariate HRs in reference to nondrinkers (95% confidence interval) were 1.2 (0.5-2.7), 1.5 (0.7-3.4), and 2.4 (1.2-4.6) in current drinkers who consumed </=22.7g, 22.8g-45.5g, and >/=45.6g of alcohol per day, respectively (P-trend=.016). Even after the early death cases were excluded, a significant linear association was observed between alcohol consumption and the risk of suicide, with the risk of suicide also being nonsignificantly higher among the light drinkers than among nondrinkers (multivariate HR=1.7). This prospective cohort study indicated a positive linear association between alcohol consumption and the risk of suicide, and the suicide risk among the light drinkers was not decreased as compared with that in nondrinkers.

Authors+Show Affiliations

Division of Epidemiology, Department of Public Health and Forensic Medicine, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Sendai 980-8575, Japan. nakaya-thk@umin.ac.jpNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

17980787

Citation

Nakaya, Naoki, et al. "Alcohol Consumption and Suicide Mortality Among Japanese Men: the Ohsaki Study." Alcohol (Fayetteville, N.Y.), vol. 41, no. 7, 2007, pp. 503-10.
Nakaya N, Kikuchi N, Shimazu T, et al. Alcohol consumption and suicide mortality among Japanese men: the Ohsaki Study. Alcohol. 2007;41(7):503-10.
Nakaya, N., Kikuchi, N., Shimazu, T., Ohmori, K., Kakizaki, M., Sone, T., Awata, S., Kuriyama, S., & Tsuji, I. (2007). Alcohol consumption and suicide mortality among Japanese men: the Ohsaki Study. Alcohol (Fayetteville, N.Y.), 41(7), 503-10.
Nakaya N, et al. Alcohol Consumption and Suicide Mortality Among Japanese Men: the Ohsaki Study. Alcohol. 2007;41(7):503-10. PubMed PMID: 17980787.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Alcohol consumption and suicide mortality among Japanese men: the Ohsaki Study. AU - Nakaya,Naoki, AU - Kikuchi,Nobutaka, AU - Shimazu,Taichi, AU - Ohmori,Kaori, AU - Kakizaki,Masako, AU - Sone,Toshimasa, AU - Awata,Shuichi, AU - Kuriyama,Shinichi, AU - Tsuji,Ichiro, PY - 2007/05/17/received PY - 2007/08/01/revised PY - 2007/08/01/accepted PY - 2007/11/6/pubmed PY - 2008/4/9/medline PY - 2007/11/6/entrez SP - 503 EP - 10 JF - Alcohol (Fayetteville, N.Y.) JO - Alcohol VL - 41 IS - 7 N2 - The risk of suicide is well known to be increased among heavy alcohol drinkers. However, whether the risk is increased or decreased among light drinkers is still under debate. We investigated this association in a population-based sample of men in Japan. The Ohsaki Study was a population-based, prospective cohort study among Japanese adults aged from 40 to 79 years. Between October and December, 1994, 22,804 men in Miyagi Prefecture, Japan, completed a questionnaire on various health-related lifestyles, including alcohol drinking. During the subsequent 7 years follow-up, 73 participants committed suicide. We used the Cox proportional hazards regression model to estimate the hazard ratio (HR) for suicide mortality according to the quantity of alcohol consumed daily, with adjustment for potential confounders. There was a statistically significant positive and linear association between the amount of alcohol consumed and the risk of suicide: the multivariate HRs in reference to nondrinkers (95% confidence interval) were 1.2 (0.5-2.7), 1.5 (0.7-3.4), and 2.4 (1.2-4.6) in current drinkers who consumed </=22.7g, 22.8g-45.5g, and >/=45.6g of alcohol per day, respectively (P-trend=.016). Even after the early death cases were excluded, a significant linear association was observed between alcohol consumption and the risk of suicide, with the risk of suicide also being nonsignificantly higher among the light drinkers than among nondrinkers (multivariate HR=1.7). This prospective cohort study indicated a positive linear association between alcohol consumption and the risk of suicide, and the suicide risk among the light drinkers was not decreased as compared with that in nondrinkers. SN - 0741-8329 UR - https://www.unboundmedicine.com/medline/citation/17980787/Alcohol_consumption_and_suicide_mortality_among_Japanese_men:_the_Ohsaki_Study_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0741-8329(07)00138-3 DB - PRIME DP - Unbound Medicine ER -