Effect of BMI on self-perceived health—OR and 95% CIs of regression models (BMI as ordered variable)
| Setting | Overweight | Obesity class I | Obesity class II | Obesity class III | Regression model |
| OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | ||
| Austria | 1.80 (1.68 to 1.93) | 3.28 (2.96 to 3.62) | 5.55 (4.56 to 6.75) | 9.11 (6.54 to 12.71) | Ordered logistic regression: non-proportional variables dropped (age and educational attainment). |
| Belgium | 1.73 (1.55 to 1.93) | 2.83 (2.42 to 3.32) | 3.67 (2.74 to 4.91) | 4.85 (3.00 to 7.86) | Generalised ordinal model: non-proportional variables dropped (age and educational attainment), degree of urbanisation as nominal variable. |
| Cyprus | 1.29 (1.12 to 1.48) | 1.53 (1.26 to 1.86) | 2.48 (1.76 to 3.49) | 5.20 (2.85 to 9.49) | Generalised ordinal model with sex as nominal variable. |
| Denmark | 1.45 (1.28 to 1.64) | 2.48 (2.08 to 2.96) | 3.80 (2.78 to 5.20) | 5.44 (3.48 to 8.50) | Ordered logistic regression. |
| Estonia | 1.22 (1.07 to 1.38) | 1.57 (1.33 to 1.84) | 3.32 (2.56 to 4.32) | 4.26 (2.89 to 6.28) | Ordered logistic regression. |
| Greece | 1.08* (0.97 to 1.08) | 1.62 (1.41 to 1.86) | 2.25 (1.77 to 2.87) | 2.67 (1.60 to 4.46) | Ordered logistic regression. |
| Croatia | 1.20 (1.05 to 1.36) | 1.66 (1.40 to 1.97) | 2.08 (1.54 to 2.80) | 2.37 (1.27 to 4.42) | Generalised ordinal model with sex as nominal variable. |
| Iceland | 1.20 (1.04 to 1.38) | 1.67 (1.38 to 2.02) | 2.55 (1.87 to 3.49) | 4.47 (2.51 to 7.96) | Generalised ordinal model: non-proportional variables dropped (educational attainment), sex as nominal variable. |
| Lithuania | 1.03* (0.90 to 1.17) | 1.63 (1.36 to 1.95) | 2.52 (1.88 to 3.38) | 3.41 (2.01 to 5.80) | Generalised ordinal model with degree of urbanisation as nominal variable. |
| Luxembourg | 1.40 (1.20 to 1.62) | 2.45 (1.98 to 3.04) | 2.78 (1.95 to 3.95) | 6.49 (3.67 to 11.52) | Ordered logistic regression. |
| Malta | 1.39 (1.18 to 1.64) | 2.06 (1.69 to 2.51) | 2.92 (2.15 to 3.97) | 2.18 (1.34 to 3.55) | Generalised ordinal model: non-proportional variables dropped (degree of urbanisation), educational attainment as nominal variable. |
| Netherlands | 1.43 (1.29 to 1.59) | 2.51 (2.15 to 2.93) | 5.10 (3.80 to 6.84) | 4.36 (2.61 to 7.25) | Ordered logistic regression: non-proportional variables dropped (educational attainment). |
| Norway | 1.55 (1.40 to 1.70) | 2.97 (2.57 to 3.45) | 4.84 (3.63 to 6.46) | 7.35 (4.25 to 12.71) | Generalised ordinal model: non-proportional variables dropped (educational attainment), age as nominal variable. |
| Sweden | 1.56 (1.39 to 1.75) | 3.08 (2.58 to 3.68) | 5.00 (3.64 to 6.86) | 7.65 (4.49 to 13.03) | Ordered logistic regression: non-proportional variables dropped (educational attainment). |
| Slovenia | 1.35 (1.20 to 1.52) | 1.91 (1.63 to 2.23) | 3.08 (2.33 to 4.08) | 2.97 (1.82 to 4.86) | Generalised ordinal model: non-proportional variables dropped (educational attainment), sex as nominal variable. |
*P value significance not achieved.
BMI, body mass index.