| Characteristic | 45-Year survey non-response (n = 7936)* Odds ratios (95% CI) | |||
| Unadjusted | Adjusted for birth characteristics | Adjusted for 7-year characteristics | Adjusted for 42-year characteristics | |
| Birth characteristics (reference group) | ||||
| Mother’s husband’s social class (non-manual) | ||||
| Manual | 1.23 (1.15 to 1.32) | 1.17 (1.09 to 1.27) | ||
| No male head | 1.97 (1.62 to 2.39) | 1.88 (1.55 to 2.30) | ||
| Mother’s duration of schooling (> statutory age) | ||||
| ⩽Statutory age | 1.20 (1.12 to 1.29) | 1.13 (1.04 to 1.22) | ||
| Birthweight (normal) | ||||
| Low (<2500 g) | 1.14 (0.99 to 1.30) | 1.10 (0.96 to 1.26) | ||
| Smoking after 4th month of pregnancy (no) | ||||
| Yes | 1.11 (1.03 to 1.18) | 1.07 (1.00 to 1.14) | ||
| 7-Year characteristics | ||||
| Housing tenure (owned) | ||||
| Rented | 1.22 (1.13 to 1.31) | 1.12 (1.03 to 1.20) | ||
| Hospitalisation (no) | ||||
| Yes | 1.03 (0.95 to 1.10) | 0.99 (0.92 to 1.07) | ||
| Period of social care (no) | ||||
| Yes | 1.34 (0.99 to 1.83) | 1.09 (0.80 to 1.49) | ||
| Externalising behaviour (normal) | ||||
| Intermediate | 1.14 (1.05 to 1.23) | 1.06 (0.97 to 1.14) | ||
| Problem | 1.66 (1.48 to 1.86) | 1.42 (1.26 to 1.61) | ||
| Internalising behaviour (normal) | ||||
| Intermediate | 1.27 (1.17 to 1.38) | 1.16 (1.07 to 1.26) | ||
| Problem | 1.56 (1.39 to 1.74) | 1.35 (1.20 to 1.52) | ||
| Reading score (normal) | ||||
| Low | 1.52 (1.35 to 1.72) | 1.17 (1.02 to 1.34) | ||
| Maths score (normal) | ||||
| Low | 1.46 (1.31 to 1.62) | 1.23 (1.10 to 1.38) | ||
| Short stature (no) | ||||
| Yes | 1.36 (1.20 to 1.56) | 1.24 (1.08 to 1.42) | ||
| Overweight (no) | ||||
| Overweight | 1.21 (1.08 to 1.37) | 1.23 (1.09 to 1.38) | ||
| Breastfeeding (⩾1 month) | ||||
| <1 month | 1.29 (1.20 to 1.39) | 1.24 (1.15 to 1.33) | ||
| 42-Year characteristics | ||||
| Occupational status (full-time work) | ||||
| Part-time work | 0.96 (0.84 to 1.09) | 0.96 (0.84 to 1.10) | ||
| Not working | – | – | ||
| Social class (non-manual) | ||||
| Manual | 1.29 (1.16 to 1.44) | 1.22 (1.10 to 1.36) | ||
| Marital status (married) | ||||
| Divorced | 1.18 (1.02 to 1.36) | 1.13 (0.98 to 1.31) | ||
| Never married | 1.17 (0.99 to 1.37) | 1.14 (0.97 to 1.34) | ||
| Obese (<30 kg/m2) | ||||
| ⩾30 kg/m2 | 1.39 (1.21 to 1.59) | 1.37 (1.19 to 1.58) | ||
| Smoking status (never smoked) | ||||
| Ex-smoker | 1.03 (0.90 to 1.17) | 1.01 (0.89 to 1.15) | ||
| Current smoker | 1.36 (1.20 to 1.54) | 1.28 (1.13 to 1.47) | ||
| Drinking frequency (⩾ weekly) | ||||
| Infrequently | 1.17 (1.03 to 1.32) | 1.10 (0.97 to 1.25) | ||
| Never | 1.05 (0.80 to 1.38) | 1.01 (0.77 to 1.33) | ||
*All non-response in survivors to age 45 years, ie 17 313–9377 participants.