Table 3.
Relation between BMI and SRH (fair to very poor) among adolescents aged 11 to 17 years stratified by SES (n = 4801). Prevalence and age-adjusted odds ratios (OR) with 95% confidence intervals (95% CI).
| Boys | Girls | |||
|---|---|---|---|---|
| % (95% CI) | OR (95% CI) | % (95% CI) | OR (95% CI) | |
| Low SES | ||||
| Normal weight | 11.6 (8.9‒15.0) |
ref. | 17.1 (13.3‒21.7) |
ref. |
| Overweight | 18.4 (10.7‒29.8) |
1.71 (0.86‒3.40) |
30.4 (21.4‒41.2) |
2.16 ** (1.21‒3.86) |
| Obesity | 29.3 (18.8‒42.6) |
3.14 *** (1.63‒6.06) |
40.8 (30.9‒51.5) |
3.41 *** (2.00‒5.81) |
| Medium SES | ||||
| Normal weight | 11.0 (9.0‒13.3) |
ref. | 16.3 (13.6‒19.3) |
ref. |
| Overweight | 18.5 (11.9‒27.7) |
1.85 * (1.08‒3.15) |
15.1 (9.4‒23.3) |
0.92 (0.51‒1.64) |
| Obesity | 22.5 (14.3‒33.6) |
2.35 ** (1.30‒4.28) |
31.4 (22.3‒42.2) |
2.31 ** (1.36‒3.91) |
| High SES | ||||
| Normal weight | 10.1 (7.3‒13.9) |
ref. | 8.8 (6.6‒11.7) |
ref. |
| Overweight | 22.8 (12.4‒38.3) |
2.69 * (1.18‒6.15) |
12.0 (5.3‒24.9) |
1.46 (0.60‒3.58) |
| Obesity | 19.9 (9.7‒36.6) |
2.13 (0.86‒5.27) |
25.3 (11.1‒48.1) |
3.41 * (1.15‒10.12) |
BMI = body mass index; SRH = self-rated health; SES = socio-economic status; ref. = reference group; Significant p values compared with normal weight indicated in bold = * p < 0.05, ** p < 0.01, *** p < 0.001.