Table 12-2.

Multivariable Association Between BMI and Risk of ESRD Among 320 252 Adults

BMI, kg/m2Adjusted RR (95% CI)
18.5–24.9 (Normal weight)1.00 (Reference)
25.0–29.9 (Overweight)1.87 (1.64–2.14)
30.0–34.9 (Class I obesity)3.57 (3.05–4.18)
35.0–39.9 (Class II obesity)6.12 (4.97–7.54)
≥40.0 (Extreme obesity)7.07 (5.37–9.31)
  • BMI indicates body mass index; CI, confidence interval; ESRD, end-stage renal disease; and RR, relative risk.