Table 5

Effect modification of the weightlifting (yes, no) all-cause mortality association by strata of relevant covariates*

Covariate stratification
HR (95% CI)
P value interaction term
Age
  Under 71 years: 1.08 (1.07 to 1.09)
  Older than, including 71: 1.11 (1.11 to 1.12)
0.85
Sex
  Men: 0.96 (0.90 to 1.03)
  Women: 0.82 (0.75 to 0.90)
0.001
Smoking
  Never: 0.88 (0.91 to 0.95)
  Current: 0.95 (0.89 to 1.03)
0.50
Self-reported racial identity
  White: 0.91 (0.86 to 0.96)
  Non-White: 0.81 (0.65 to 1.02)
0.06
Education
  No college: 0.91 (0.84 to 0.98)
  College plus: 0.93 (0.89 to 0.97)
0.79
Body mass index
   <24.9 kg/m2: 0.77 (0.50 to 1.12)
   25 to 29.9 kg/m2: 0.97 (0.90 to 1.06)
   30.0+kg/m2: 0.84 (0.73 to 0.97)
0.31
  • *HR and 95% CIs are presented, weighted estimates to the whole cohort.