Table 4—

RRs of incidence of type 2 diabetes among smokers and nonsmokers according to cardiorespiratory fitness levels

Cardiorespiratory fitness levels, quartiles
P for trend
Q1 (lowest)Q2Q3Q4 (highest)
Smokers (n)824840783743
 Multivariate RR* (95% CI)1.000.70 (0.49–1.00)0.67 (0.44–1.00)0.58 (0.35–0.95)0.012
Nonsmoker (n)360338404453
 Multivariate RR (95% CI)1.001.02 (0.59–1.74)0.56 (0.28–1.10)0.53 (0.26–1.10)0.036
  • * Adjusted for age, BMI systolic blood pressure, family history of diabetes, smoking status, and alcohol intake;

  • adjusted for age, BMI, systolic blood pressure, family history of diabetes, and alcohol status.