Skip to main content

Table 2 Mean age at death by gender and birth cohort for retired military personnel (RMPs) and reference populations

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

Birth cohort Male Female Δ 95%CI P value*
Mean (SD) n Mean (SD) n
RMPs
1900–1909 77.88 (10.07) 127 94.75 (5.91) 4 16.87 6.83–26.91 <0.001
1910–1919 78.28 (10.85) 583 89.06 (5.56) 88 10.78 8.47–13.09 <0.001
1920–1929 74.12 (10.08) 1526 81.14 (5.94) 222 7.02 5.66–8.38 <0.001
1930–1939 67.32 (8.68) 871 73.70 (5.34) 127 6.38 4.83–7.93 <0.001
1940–1949 58.47 (7.02) 777 60.50 (5.45) 62 2.03 0.24–3.82 0.026
1950–1959 52.47 (5.31) 382 53.38 (4.05) 32 0.91 −0.97–2.79 0.345
1960–1969 46.97 (3.65) 35 - 0 - - -
Reference
1900–1909 79.91 (10.57) 115,951 79.32 (10.63) 110,373 −0.59 −0.68– −0.50 <0.001
1910–1919 76.52 (11.48) 137,389 79.13 (11.46) 149,155 2.61 2.53–2.70 <0.001
1920–1929 73.16 (11.61) 129,948 75.60 (10.96) 127,871 2.44 2.35–2.53 <0.001
1930–1939 65.35 (11.88) 71,343 67.02 (11.13) 54,062 1.67 1.54–1.80 <0.001
1940–1949 53.99 (13.09) 37,372 54.12 (12.00) 23,077 0.13 −0.08–0.34 0.22
1950–1959 44.91 (12.00) 23,347 47.48 (10.05) 13,330 2.57 2.33–2.81 <0.001
1960–1969 36.56 (9.16) 9,056 38.35 (8.42) 4,687 1.79 1.48–2.10 <0.001
  1. Δ = Difference between the means
  2. *Independent samples t-test