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Table 2 Percentage of people that rated their health as fair or poor according to age, period, and cohort for different income levels, as well as odds ratios of the odds for fair or poor in first quantiles to ones in fourth income quantilesa

From: Socioeconomic status and self-rated health of Japanese people, based on age, cohort, and period

  First quartile Second/Third quartile Fourth quartile Odds ratio
Age     
 20–24 0.6 0.3 0.3 2.01
 25–29 0.8 0.8 0.6 1.34
 30–34 1.5 1.3 1.3 1.16
 35–39 2.7 1.9 1.9 1.43
 40–44 4.0 2.6 2.8 1.44
 45–49 7.0 4.7 4.5 1.60
 50–54 9.4 7.0 6.7 1.44
 55–59 13.4 10.5 9.8 1.42
 60–64 20.0 17.9 16.9 1.23
 65–69 27.3 26.4 25.4 1.10
 70–74 40.7 41.1 38.8 1.08
 75–79 51.9 53.4 52.6 0.97
 80–84 55.6 58.5 57.4 0.93
 85–89 58.0 57.7 59.5 0.94
 90–94 56.8 59.2 59.1 0.91
Period     
 1986 11.5 7.7 7.7 1.56
 1989 13.8 8.6 8.1 1.82
 1992 14.7 8.7 7.9 2.01
 1995 15.4 9.7 8.9 1.86
 1998 19.2 12.6 10.9 1.94
 2001 21.5 15.3 13.1 1.82
 2004 25.0 17.6 14.6 1.95
 2007 22.2 15.5 12.0 2.09
 2010 22.8 16.8 13.2 1.94
 2013 27.5 21.1 16.8 1.88
Birth cohort     
 1895–1899 37.9 33.7 41.8 0.85
 1900–1904 43.3 44.0 45.6 0.91
 1905–1909 46.7 47.6 48.2 0.94
 1910–1914 46.8 47.9 48.7 0.93
 1915–1919 42.6 42.2 43.4 0.97
 1920–1924 38.9 36.3 35.3 1.17
 1925–1929 33.7 32.1 27.3 1.35
 1930–1934 29.5 26.1 18.6 1.83
 1935–1939 23.9 19.5 13.2 2.07
 1940–1944 16.8 12.6 9.6 1.90
 1945–1949 10.1 7.3 7.6 1.36
 1950–1954 6.3 4.6 5.7 1.11
 1955–1959 3.8 2.8 4.3 0.88
 1960–1964 2.9 2.2 2.7 1.08
 1965–1969 2.7 1.7 1.6 1.71
 1970–1974 1.6 1.4 1.1 1.46
 1975–1979 1.6 1.2 1.0 1.61
 1980–1984 1.2 0.9 0.9 1.34
 1985–1990 1.0 0.7 0.6 1.67
Total 18.3 12.4 10.7 1.87
  1. aAdjusted self-rated health was used in this table. Percentages were values without adjustment for age differences, period differences, cohort differences, or individual-level control variables