Table 3

HR (95% CI) for the relation of covariates with total mortality among veterans inducted in military service between 1965 and 1971 (N=4188)

HR (95% CI)
Ethnicity
 White1 (ref)
 Black2.35** (1.73 to 3.20)
 Other ethnicities2.07*** (1.27 to 3.37)
Education (years)
 >121 (ref)
 =121.85*** (1.39 to 2.46)
 <122.23*** (1.54 to 3.22)
Pay grade at discharge from army
 Highest1 (ref)
 2nd highest1.53** (1.13 to 2.06)
 Middle1.90* (1.14 to 3.16)
 2nd lowest1.91NS (0.99 to 3.66)
 Lowest2.31* (1.21 to 4.39)
Family income at midlife
 >$30 0001 (ref)
 >$20 000 to ≤$30 0001.94*** (1.37 to 2.75)
 ≤$20 0002.82*** (2.03 to 3.92)
Standardised IQ score at early adulthood0.35** (0.18 to 0.66)
Mean number of years smoked1.05*** (1.03 to 1.06)
Mean number of alcohol units per day1.08*** (1.05 to 1.10)
Had treatment or counselling for alcohol or drug abuse3.62*** (2.71 to 4.84)
Body mass index at midlife1.01NS (0.99 to 1.03)
  • All models were adjusted for ethnicity and age at examination.

  • *p<0.05; **p<0.01; ***p<0.001.

  • NS, non-significant.