Table 4.
Medical conditions and 12-item Short-Form Health Survey functioning among bipolar disorder subjects with obesity versus without obesity
| Obese (n = 568) | Not obese (n = 1,337) | χ2 or t | p-value | |
|---|---|---|---|---|
| Medical conditions (past year), % | ||||
| Arthritis | 36.93 | 23.94 | 14.30 | 0.0003 |
| Hypertension | 33.19 | 16.91 | 27.34 | < 0.0001 |
| Gastritis | 16.39 | 12.63 | 2.86 | 0.0954 |
| Angina | 19.10 | 16.18 | 1.56 | 0.2163 |
| Tachycardia | 20.89 | 14.72 | 7.09 | 0.0097 |
| Other forms of heart disease | 3.61 | 4.04 | 0.15 | 0.7002 |
| Stomach ulcer | 6.42 | 7.80 | 1.02 | 0.3155 |
| Arteriosclerosis | 3.11 | 2.31 | 0.64 | 0.4249 |
| Myocardial infarction | 1.26 | 0.85 | 0.62 | 0.4348 |
| Cirrhosis of the liver | 0.86 | 0.60 | 0.19 | 0.6647 |
| Other forms of liver disease | 1.84 | 1.23 | 0.69 | 0.4079 |
| Total medical conditions, mean (SE) | 1.41 (0.07) | 0.99 (0.05) | 4.96 | < 0.0001 |
| Functioning, mean (SE) | ||||
| Physical disability | 46.64 (0.59) | 50.68 (0.35) | −6.11 | < 0.0001 |
| Mental disability | 42.46 (0.74) | 44.28 (0.40) | −2.28 | 0.0257 |
| Physical functioning | 46.68 (0.62) | 50.68 (0.34) | −5.52 | < 0.0001 |
| Role physical | 45.79 (0.60) | 49.22 (0.39) | −4.87 | < 0.0001 |
| Bodily pain | 44.38 (0.67) | 47.04 (0.45) | −3.59 | 0.0006 |
| General health | 42.92 (0.70) | 47.32 (0.43) | −5.56 | < 0.0001 |
| Vitality | 47.10 (0.60) | 50.35 (0.37) | −4.72 | < 0.0001 |
| Social functioning | 43.14 (0.73) | 45.94 (0.45) | −3.37 | 0.0013 |
| Emotional health | 42.08 (0.72) | 45.13 (0.45) | −3.93 | 0.0002 |
| Mental health | 42.76 (0.69) | 44.11 (0.42) | −1.70 | 0.0936 |
Degrees of freedom = 1 for all categories.