Table 1 Comparison of unadjusted mean health related quality of life (HRQOL) total score (measured with PedsQL) among children with different demographic and socioeconomic characteristics
| Â | n (%) | Unadjusted mean (s.d.) HRQOL total score | P |
|---|---|---|---|
Total | 5781 (100) | 78.88 (13.57) | Â |
Gender | |||
 Male | 3151 (54.51) | 78.42 (13.87) | 0.005 |
 Female | 2630 (45.49) | 79.43 (13.17) |  |
Age group | |||
  < 10 | 2536 (43.87) | 77.93 (14.06) | <0.001 |
  > =10 | 3245 (56.13) | 79.63 (13.12) |  |
School type | |||
 Private school | 1743 (30.15) | 75.36 (13.76) | <0.001 |
 Public school | 4038 (69.85) | 80.40 (13.19) |  |
Children weight category | |||
 Underweight | 375 (6.49) | 77.82 (13.10) |  |
 Healthy weight | 4226 (73.10) | 78.94 (13.68) | 0.288 |
 Overweight/obesity | 1180 (20.41) | 79.02 (13.30) |  |
Maternal weight category (n = 5075) | |||
 Healthy weight | 4095 (80.69) | 79.23 (13.24) | 0.114 |
 Overweight/obesity | 980 (19.31) | 78.44 (14.16) |  |
Paternal weight category (n = 4974) | |||
 Healthy weight | 3001 (60.33) | 79.1813.38) | 0.603 |
 Overweight/obesity | 1973 (39.67) | 78.98 (13.50) |  |
Maternal education years (n = 5460) | |||
  < =9 | 2801 (51.30) | 76.80 (13.63) |  |
 10–12 | 1355 (24.82) | 80.40 (12.69) | <0.001 |
  > 12 | 1304 (23.88) | 82.25 (12.75) |  |
Paternal education years (n = 5451) | |||
  < =9 | 2375 (43.57) | 76.92 (13.66) |  |
 10–12 | 1636 (30.01) | 79.42 (13.16) | <0.001 |
  > 12 | 1440 (26.42) | 81.91 (12.74) |  |
Family income (n = 5075) | |||
 Low | 1941 (38.25) | 77.25 (13.82) |  |
 Medium | 2088 (41.14) | 79.43 (13.16) | <0.001 |
 High | 1046 (20.61) | 81.51 (12.72) |  |