Table 3

Relative risk for all-cause mortality according to fitness categories

Low fitModerate fitHigh fitP*
MET level achieved≤5 METs5.1–7.9 METs≥8 METs
Entire cohort (n = 3,148)
    Age-adjustedReferent0.62 (0.53–0.71)0.41 (0.32–0.52)<0.001
    Multi-adjustedReferent0.63 (0.55–0.73)0.41 (0.33–0.53)<0.001
    Excluding deaths that occurred during the first year of follow-upReferent0.63 (0.53–0.73)0.43 (0.14–0.55)<0.001
African-Americans (n = 1,703)
    Age-adjustedReferent0.65 (0.54–0.78)0.54 (0.39–0.73)<0.001
    Multi-adjustedReferent0.66 (0.55–0.80)0.54 (0.39–0.73)<0.001
    Excluding deaths that occurred during the first year of follow-upReferent0.65 (0.53–0.79)0.56 (0.40–0.77)<0.001
Caucasians (n = 1,445)
    Age-adjustedReferent0.55 (0.43–0.70)0.32 (0.22–0.47)<0.001
    Multi-adjustedReferent0.57 (0.44–0.73)0.33 (0.22–0.48)<0.001
    Excluding deaths that occurred during the first year of follow-upReferent0.57 (0.43–0.72)0.34 (0.23–0.51)<0.001
  • Data are HRs (95% CI).

  • *P values are for both the moderate-fit and high-fit categories compared with the low-fit category (referent) and for linear trend.

  • †Adjusted for age, BMI, ACE inhibitors, β-blockers, calcium channel blockers, diuretics, statins, hypertension, dyslipidemia, and smoking.