Table A1.
Results of the multivariable logistic regression models with SRH as dependent variable, adjusted for sex and age.
| Model 1 a | Model 2 b | Model 3 c | ||||
|---|---|---|---|---|---|---|
| OR (95% CI) | p value | OR (95% CI) | p value | OR (95% CI) | p value | |
| Sex (boys) | 0.7 (0.6–0.8) | 0.000 | 0.7 (0.6–0.8) | 0.000 | 0.7 (0.6–0.8) | 0.000 |
| Sex (girls) | – | – | – | – | – | – |
| Age | 1.0 (0.9–1.0) | 0.264 | 1.0 (0.9–1.0) | 0.236 | 1.0 (0.9–1.0) | 0.241 |
| BMI | 1.1 (1.1–1.1) | 0.000 | 1.1 (1.0–1.2) | 0.057 | 1.1 (1.0–1.1) | 0.142 |
| SES | 1.0 (1.0–1.0) | 0.241 | 1.1 (1.0–1.3) | 0.142 | 1.1 (1.0–1.3) | 0.119 |
| School type | 0.8 (0.7–0.9) | 0.000 | 0.4 (0.2–0.7) | 0.003 | 0.4 (0.2–0.7) | 0.005 |
| BMI/SES | – | – | 1.0 (1.0–1.0) | 0.085 | 1.0 (1.0–1.0) | 0.317 |
| BMI/School type | – | – | 1.0 (1.0–1.1) | 0.022 | 1.0 (1.0–1.1) | 0.014 |
| BMI/SES/School type | – | – | – | – | 1.0 (1.0–1.0) | 0.235 |
OR = odds ratios; 95% CI = 95% confidence intervals; p = p-value BMI= body mass index; SRH = self-rated health; SES = socio-economic status; a 1-way interaction of BMI, SES and school type; b 2-way interaction of BMI, SES and school type; c 3-way interaction of BMI, SES and school type.