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Table 1 Characteristics of study population (n=4862)

From: Relative longevity among retired military personnel: a historical-cohort study

Variable Category n
Gender Male 4318 (88.8%)
  Female 544 (11.2%)
Rank Junior commissioned officer 1359 (28.5%)
  Senior commissioned officer 1775 (37.0%)
  Noncommissioned officer 1654 (34.5%)
Birth cohort 1900–1909 131 (2.7%)
  1910–1919 671 (13.9%)
  1920–1929 1748 (36.1%)
  1930–1939 998 (20.6%)
  1940–1949 839 (17.3%)
  1950–1959 414 (8.6%)
  1960–1969 35 (0.7%)
Year of death 1960–1969 28 (0.6%)
  1970–1979 174 (3.6%)
  1980–1989 547 (11.3%)
  1990–1999 1112 (22.9%)
  2000–2012 3001 (61.7%)
  1. Data on rank were missing for 64 subjects; for birth cohort, 26 subjects