Table 3.
Scores of Health-related Quality of Life (HRQoL), Self-rated Health and Self-rated Happiness by Body Mass Index Category.
| Subjective Health Outcomes | All Participants | BMI Category | p-Value for Wald Test | |||
|---|---|---|---|---|---|---|
| Underweight | Normal Weight | Overweight | Obese | |||
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | ||
| HRQoL (SF-12 v2) (n = 3699) | ||||||
| PCS | 47.7 (8.9) | 46.4 (10.5) | 48.2 (8.9) | 48.2 (8.5) | 46.6 (8.8) a,b | <0.001 |
| MCS | 58.3 (7.6) | 56.6 (8.3) b,c | 57.8 (8.1) b,c | 58.8 (7.7) a,d | 58.9 (7.4) a,d | <0.001 |
| Self-rated health (n = 3640) | 69.3 (12.3) | 67.5 (13.0) | 69.6 (12.3) | 69.8 (12.3) | 68.6 (12.0) | 0.029 |
| Self-rated happiness (n = 3610) | 74.4 (14.3) | 71.8 (14.0) b | 73.9 (14.7) | 75.1 (13.9) d | 74.7 (14.1) | 0.015 |
BMI: Body Mass Index; HRQoL: Health-Related Quality of Life; SF-12 v2: Short Form -12 version 2; PCS: Physical Component Summary; MCS: Mental Component Summary; a: Significant differences compared with normal weight (p-Value < 0.05); b: Significant differences compared with overweight (p-Value < 0.05); c: Significant differences compared with obese (p-Value < 0.05); d: Significant differences compared with underweight (p-Value < 0.05); All p-alues were adjusted using Bonferroni corrections.