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Age, Period, and Cohort Effects on Suicide Mortality in South Korea, 1992–2015

Author

Listed:
  • Soonjoo Park

    (College of Nursing, Eulji University, Daejeon 34824, Korea
    These authors contributed equally to this work.)

  • Yeong-Jun Song

    (Department of Preventive Medicine, Eulji University School of Medicine, Daejeon 34824, Korea
    These authors contributed equally to this work.)

  • Jinseob Kim

    (Laboratory of Genome Epidemiology and Health Big Data, Graduate School of Public Health, Seoul National University, Seoul 08826, Korea)

  • Myung Ki

    (Department of Preventive Medicine, College of Medicine, Korea University, Seoul 136-701, Korea)

  • Ji-Yeon Shin

    (Department of Preventive Medicine, School of Medicine, Kyungpook National University, Daegu 41944, Korea)

  • Young-Man Kwon

    (Department of Medical IT and Marketing, College of Health Industry, Eulji University, Seongnam 34824, Korea)

  • Jiseun Lim

    (Department of Preventive Medicine, Eulji University School of Medicine, Daejeon 34824, Korea)

Abstract

Although the effects of age, period, and cohort (APC) on suicide are important, previous work in this area may have been invalid because of an identification problem. We analyzed these effects under three different scenarios to identify vulnerable groups and thus overcame the identification problem. We extracted the annual numbers of suicides from the National Death Register of Korea (1992–2015) and estimated the APC effects. The annual average suicide rates in 1992–2015 were 31.5 and 14.7 per 100,000 males and females, respectively. The APC effects on suicide were similar in both sexes. The age effect was clearly higher in older subjects, in contrast to the minimal changes apparent during earlier adulthood. The birth cohort effect showed an inverted U shape; a higher cohort effect was evident in females born in the early 1980s when period drift was larger than 3.7%/year. Period effect increased sharply during the early 1990s and 2000s. We found that elderly and young females may be at a particularly high risk of suicide in Korea.

Suggested Citation

  • Soonjoo Park & Yeong-Jun Song & Jinseob Kim & Myung Ki & Ji-Yeon Shin & Young-Man Kwon & Jiseun Lim, 2018. "Age, Period, and Cohort Effects on Suicide Mortality in South Korea, 1992–2015," IJERPH, MDPI, vol. 15(8), pages 1-8, July.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:8:p:1580-:d:159966
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    References listed on IDEAS

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    Cited by:

    1. Hermien Dijk & Jochen Mierau, 2023. "Mental health over the life course: Evidence for a U‐shape?," Health Economics, John Wiley & Sons, Ltd., vol. 32(1), pages 155-174, January.

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