J Prev Med Public Health.  2020 May;53(3):198-204. 10.3961/jpmph.20.037.

Age-period-cohort Analysis of Cardiovascular Disease Mortality in Japan, 1995-2018

Affiliations
  • 1Medical Information Center, Kyusyu University Hospital, Fukuoka, Japan

Abstract


Objectives
This study aimed to analyze the mortality of heart disease (HD), ischemic heart disease (IHD), and cerebrovascular disease (CeVD) through an age-period-cohort (APC) analysis.
Methods
We used data on mortality due to cardiovascular disease from 1995 to 2018 in Japan, as determined by Vital Statistics. Age groups from 0 years to 99 years were defined by 5-year increments, and cohorts were defined for each age group of each year with a 1-year shift. We used Bayesian APC analysis to decompose the changes in the diseases’ mortality rates into age, period, and cohort effects.
Results
The period effects for all diseases decreased during the analyzed periods for both men and women. The cohort effects for men increased substantially in cohorts born from around 1940 to the 1970s for all types of cardiovascular diseases. The cohort effects of HD decreased in the cohorts born in the 1970s or later for both men and women. Regarding IHD and CeVD, either a non-increase or decrease of cohort effects was confirmed for cohorts born in the 1970s or later for men, but the effects for women showed a continuously increasing trend in the cohorts born in the 1960s or later.
Conclusions
The cohort effects for IHD and CeVD showed increasing trends in younger generations of women. This suggests that preventive approaches against cardiovascular diseases are needed, particularly for women.

Keyword

Cohort effect; Mortality; Japan; Cardiovascular diseases
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