NIH BMI category | Actual BMI, kg/m2a | Self-reported BMI, kg/m2a | Difference, kg/m2b | P valuec |
---|---|---|---|---|
All patients (N = 508) | ||||
Underweight | 17.3 ± 0.7 | 17.4 ± 0.8 | −0.1 | .70 |
Normal | 22.5 ± 1.6 | 22.2 ± 1.6 | 0.3 | <.001 |
Overweight | 27.4 ± 1.4 | 26.7 ± 1.6 | 0.7 | <.001 |
Obese | 35.1 ± 5.1 | 33.8 ± 4.9 | 1.3d | <.001 |
Women (n = 257) | ||||
Underweight | 17.3 ± 0.7 | 17.4 ± 0.8 | −0.1 | .70 |
Normal | 22.3 ± 1.6 | 22.0 ± 1.8 | 0.3 | .001 |
Overweight | 27.2 ± 1.4 | 26.5 ± 1.6 | 0.7 | <.001 |
Obese | 35.2 ± 4.4 | 34.1 ± 4.1 | 1.1d | <.001 |
Men (n = 251) | ||||
Underweight | NA | NA | NA | NA |
Normal | 23.0 ± 1.5 | 22.7 ± 1.3 | 0.3 | .002 |
Overweight | 27.6 ± 1.4 | 26.8 ± 1.5 | 0.7 | <.001 |
Obese | 35.0 ± 5.6 | 33.5 ± 5.4 | 1.5d | <.001 |