Table 2. Comparison of unadjusted means for HRQOL measures by weight classification.
| HRQOL Measure (scale range) | Normal weight a(n=2363) | Underweight (n=65) | Overweight (n=847) | Obese (n=571) | Extremely obese (n=620) |
|---|---|---|---|---|---|
| Total HRQOL (0–100) | 78.37 | 76.72 (0.364) | 77.18 (0.143) | 76.60 (0.006) | 75.61 (<0.001) |
| Physical HRQOL (0–100) | 84.56 | 84.65 (0.091) | 83.52 (0.205) | 84.15 (0.491) | 82.38 (0.003) |
| Psychosocial HRQOL (0–100) | 75.06 | 72.49 (0.228) | 73.79 (0.143) | 72.57 (0.001) | 71.99 (<0.001) |
| Emotional HRQOL (0–100) | 70.99 | 66.47 (0.129) | 69.02 (0.028) | 68.95 (0.035) | 68.66 (0.015) |
| Social HRQOL (0–100) | 79.61 | 75.76 (0.133) | 78.42 (0.325) | 75.87 (0.001) | 73.76 (<0.001) |
| School HRQOL (0–100) | 74.59 | 75.23 (0.767) | 73.94 (0.459) | 72.90 (0.079) | 73.56 (0.234) |
| Global self-worth (4–24) | 19.74 | 19.83 (0.851) | 19.34 (0.019) | 19.07 (0.002) | 18.65 (<0.001) |
| Physical appearance (4–24) | 18.46 | 18.56 (0.839) | 17.39 (<0.001) | 16.92 (<0.001) | 16.42 (<0.001) |
| Body satisfaction (0–2) | 1.57 | 1.31 (0.004) | 1.46 (<0.001) | 1.25 (<0.001) | 0.89 (<0.001) |
| Overall health status (0–4) | 2.09 | 2.06 (0.794) | 2.00 (0.039) | 1.74 (<0.001) | 1.51 (<0.001) |
Abbreviation: HRQOL, health-related quality of life.
Note: P-values are in parentheses. Values in bold indicate significantly (P<0.05) poorer outcome than normal weight. Higher score indicates better outcome for all measures.
a
Normal weight is the reference category for mean comparisons.