Table 3.

Associations of BMI groups with all-cause mortality in parametric survival models in the entire cohort (n = 15,355)a

BMI (kg/m2)Model A (HR [95% CI])bModel B (HR [95% CI])c
<20 (n = 497)2.15 (1.69 to 2.74)1.92 (1.51 to 2.46)
20 to 24.9 (n = 4598)ReferenceReference
25 to 29.9 (n = 6058)1.10 (0.97 to 1.26)1.03 (0.90 to 1.18)
30 to 34.9 (n = 2826)1.26 (1.08 to 1.47)1.22 (1.04 to 1.43)
≥35 (n = 1376)1.41 (1.17 to 1.71)1.56 (1.28 to 1.90)
  • a HR, hazard ratio; CI, confidence interval.

  • b Unadjusted.

  • c Adjusted for age, gender, race, chronic lung disease, malignancy, smoking, alcohol use, and GFR.