Table 3.
Unadjusted and adjusted associations between body mass index and health-related quality of life measures.
| Model 1a | Model 2b | |||||
|---|---|---|---|---|---|---|
| BMI coeff (P) | Model F (P) | Model R 2 | BMI coeff (P) | Model F (P) | Model R 2 | |
|
| ||||||
| Health-related quality of life | ||||||
| Depression | 0.07 (0.02) | 5.16 (0.02) | 0.01 | 0.06 (0.055) | 4.19 (0.0004) | 0.06 |
| Stiffness | 0.07 (<0.0001) | 23.81 (<0.0001) | 0.06 | 0.06 (<0.0001) | 7.70 (<0.0001) | 0.11 |
| Pain | 0.05 (0.0003) | 13.42 (0.0003) | 0.03 | 0.04 (0.007) | 5.26 (<0.0001) | 0.07 |
| Fatigue | 0.06 (<0.0001) | 16.76 (<0.0001) | 0.04 | 0.06 (0.0006) | 7.94 (<0.0001) | 0.11 |
| Disability (HAQ total) | 0.01 (0.0004) | 12.62 (0.0004) | 0.03 | 0.01 (0.001) | 6.05 (<0.0001) | 0.08 |
| Quality of life, physical | 0.12 (0.03) | 4.62 (0.03) | 0.01 | 0.08 (0.15) | 3.58 (0.002) | 0.05 |
| Quality of life, mental | 0.12 (0.01) | 6.00 (0.01) | 0.01 | 0.1 (0.05) | 3.97 (0.0007) | 0.06 |
aModel 1: unadjusted; it contains only BMI (model df = 1).
bModel 2: adjusted for age, gender, race, moderate to vigorous intensity physical activity, and arthritis drug usage (model df = 9).