Table 4.
Variable | Logistic regression OR |
Adjusted logistic regressiona OR (95% CI) |
n1/N1b | n2/N2c |
---|---|---|---|---|
Developmental deficitd | 1.31 | 1.33 (1.00–1.77) | 138/15,086 | 76/6465 |
Chronic disease or handicap | 1.21 | 1.16 (1.00–1.35) | 551/15,010 | 278/6424 |
Speech development | 1.14 | 1.12 (0.98–1.28) | 794/9169 | 374/3898 |
Late start at school | 1.06 | 1.00 (0.72–1.40) | 113/9149 | 52/3890 |
Psychiatric caseness SDQ | 1.23 | 1.19 (1.04–1.36) | 725/9204 | 372/3914 |
Epilepsy | 1.09 | 1.17 (0.69–1.99) | 43/8934 | 21/3811 |
Medication for epilepsy | 1.51 | 1.51(0.80–2.87) | 29/610 | 16/228 |
Febrile seizures | 1.05 | 1.00 (0.87–1.14) | 739/13,023 | 323/5574 |
OR Odds ratio calculated by logistic regression analysis
a adjusted for maternal age, parity, pre-pregnancy BMI, child’s sex and socio-occupational status
b number (n1) of cases amongst children born 41 + 0–41 + 6 (N1) in adjusted logistic regression analysis
c number (n2) of cases amongst children born 42 + 0–44 + 6 (N2) in adjusted logistic regression analysis
d from 18 months interview