ORs for severe obesity from four logistic regression models for each sex and school year
| Variable | Girls year 6 OR (95% CI) | Boys year 6 OR (95% CI) | Girls reception OR (95% CI) | Boys reception OR (95% CI) |
|---|---|---|---|---|
| NCMP year of measurement | 1.02** (1.02 to 1.03) | 1.02** (1.01 to 1.02) | 0.99** (0.99 to 0.998) | 0.98** (0.97 to 0.98) |
| IMD decile 1 (least deprived) | Reference** | Reference** | Reference** | Reference** |
| 2 | 1.33 (1.25 to 1.42) | 1.24 (1.18 to 1.30) | 1.31 (1.22 to 1.41) | 1.23 (1.16 to 1.31) |
| 3 | 1.60 (1.51 to 1.71) | 1.42 (1.35 to 1.49) | 1.52 (1.41 to 1.63) | 1.41 (1.33 to 1.50) |
| 4 | 1.91 (1.80 to 2.04) | 1.66 (1.58 to 1.74) | 1.71 (1.59 to 1.83) | 1.55 (1.46 to 1.64) |
| 5 | 2.16 (2.04 to 2.30) | 1.95 (1.86 to 2.04) | 1.91 (1.79 to 2.05) | 1.79 (1.69 to 1.89) |
| 6 | 2.54 (2.40 to 2.69) | 2.28 (2.18 to 2.38) | 2.26 (2.12 to 2.41) | 2.06 (1.95 to 2.18) |
| 7 | 2.97 (2.81 to 3.15) | 2.54 (2.43 to 2.65) | 2.57 (2.41 to 2.74) | 2.34 (2.22 to 2.47) |
| 8 | 3.47 (3.28 to 3.66) | 2.92 (2.80 to 3.04) | 2.93 (2.75 to 3.11) | 2.63 (2.50 to 2.77) |
| 9 | 4.03 (3.82 to 4.25) | 3.21 (3.08 to 3.35) | 3.36 (3.16 to 3.57) | 2.98 (2.84 to 3.13) |
| 10 (most deprived) | 4.35 (4.13 to 4.58) | 3.53 (3.39 to 3.68) | 3.64 (3.43 to 3.86) | 3.17 (3.02 to 3.33) |
**p<0.01.
IMD, Index of Multiple Deprivation; NCMP, National Child Measurement Programme.