Associations with anxiety at age 10 years
| Number | % | Coefficient* | p value | |
|---|---|---|---|---|
| Coefficients generated using linear regression. | ||||
| *Unadjusted. | ||||
| Ref, reference category. | ||||
| Parental divorce | ||||
| No | 7873 | 87.9 | ||
| Yes | 1085 | 12.1 | 7.1 | 0.000 |
| Social class | ||||
| I | 408 | 4.6 | −6.6 | 0.003 |
| II | 1027 | 11.5 | −5.1 | 0.001 |
| IIInm | 1109 | 12.4 | −2.8 | 0.05 |
| IIIm | 4133 | 46.1 | Ref | |
| IV | 1303 | 14.6 | −1.0 | 0.5 |
| V | 496 | 5.5 | 1.6 | 0.4 |
| Other | 482 | 5.4 | 3.2 | 0.1 |
| Mother’s age at leaving full time education (years) | ||||
| Under 15 | 574 | 6.4 | 1.9 | 0.3 |
| 15 | 5427 | 60.6 | Ref | |
| 16 | 1461 | 16.3 | −1.0 | 0.4 |
| 17–19 | 1086 | 12.1 | −3.5 | 0.02 |
| 20+ | 410 | 4.6 | −9.5 | 0.000 |
| Maternal depression | ||||
| No | 7410 | 82.7 | Ref | |
| Yes | 1548 | 17.3 | 5.2 | 0.000 |
| Parity | ||||
| 0 | 3314 | 37.0 | Ref | |
| 1 | 3071 | 34.3 | −2.5 | 0.02 |
| 2 | 1415 | 15.8 | −0.9 | 0.5 |
| 3 or more | 1158 | 12.9 | −1.8 | 0.2 |
| Premature | ||||
| No | 8645 | 96.5 | Ref | |
| Yes | 313 | 3.5 | 4.4 | 0.08 |
| Smoking in pregnancy | ||||
| Non-smoker | 3790 | 42.3 | Ref | |
| Stopped pre-pregnancy | 1122 | 12.5 | 1.0 | 0.5 |
| Stopped during pregnancy | 434 | 4.8 | 0.8 | 0.7 |
| 1–4 cigs/day | 616 | 6.9 | −0.5 | 0.8 |
| 5–14 cigs/day | 1887 | 21.1 | 2.6 | 0.03 |
| 15+ cigs/day | 1109 | 12.4 | 3.3 | 0.03 |
| Limiting disability by age 10 years | ||||
| None | 8357 | 93.3 | Ref | |
| Slight | 549 | 6.1 | 11.3 | 0.000 |
| Severe | 52 | 0,6 | 33.6 | 0.000 |
| Disability ass. in first year | ||||
| No | 8647 | 96.5 | Ref | |
| Yes | 311 | 3.5 | 6.3 | 0.01 |
| Breast fed | ||||
| No | 5671 | 63.3 | Ref | |
| Yes | 3287 | 36.7 | −1.2 | 0.2 |
| Sex | ||||
| Male | 4588 | 51.2 | Ref | |
| Female | 4370 | 48.8 | 2.3 | 0.01 |
| Birth weight | 8958 | 100 | −0.005 | 0.000 |