Table 1.
Prevalence of physical problems, as reported by patients entering a weight-reducing program. (prevalence and 95% CI)
| Clinical data | Class I Obesity BMI, 30-34.9 kg/m2 n = 723 |
Class II Obesity BMI, 35-39.9 kg/m2 n = 529 |
Class III Obesity BMI, ≥40 kg/m2 n = 634 |
P* |
|---|---|---|---|---|
| Diabetes | 5.5 (4.0 - 7.4) | 8.2 (6.1 - 10.8) | 14.4 (11.8 - 17.3) | < 0.001 |
| Hypertension | 25.9 (22.8 - 29.2) | 38.6 (34.4 - 42.7) | 46.9 (43.0 - 50.7) | < 0.001 |
| Hyperlipidemia | 24.0 (21.0 - 27.2) | 22.5 (19.0 - 26.1) | 21.4 (18.3 - 24.6) | 0.506 |
| Coronary heart disease | 2.2 (1.3 - 3.5) | 3.2 (1.9 - 4.9) | 2.5 (1.5 - 4.0) | 0.556 |
| Myocardial infarction | 1.5 (0.8 - 2.6) | 1.3 (0.6 - 2.6) | 1.3 (0.6 - 2.4) | 0.916 |
| Peripheral vascular dis. | 0.0 (0.0 - 0.4) | 0.9 (0.3 - 2.0) | 0.2 (0.0 - 0.8) | 0.530 |
| Gallstones | 10.3 (8.3 - 12.7) | 13.3 (10.6 - 16.3) | 18.0 (15.2 - 21.1) | < 0.001 |
| Cholecystectomy | 6.6 (5.0 - 8.6) | 8.1 (6.0 - 10.6) | 11.6 (9.3 - 14.3) | 0.004 |
| Hip pain | 27.5 (24.3 - 30.7) | 30.7 (26.9 - 34.6) | 35.0 (31.3 - 38.7) | 0.011 |
| Knee pain | 35.9 (32.4 - 39.4) | 38.4 (34.3 - 42.5) | 47.9 (44.0 - 51.8) | < 0.001 |
| Other endocrine diseases | 14.1 (11.7 - 16.7) | 17.4 (14.3 - 20.8) | 15.5 (12.8 - 18.5) | 0.268 |
| Previous cancer | 7.2 (5.5 - 9.2) | 8.6 (6.5 - 11.2) | 5.7 (4.1 - 7.7) | 0.152 |
| Psychological distress | 17.2 (14.6 - 20.1) | 18.3 (15.2 - 21.8) | 19.0 (16.1 - 22.2) | 0.699 |
Data are presented as prevalence and 95% CI.
*Chi2 test.