Table 2.
The association of social disadvantage at birth and foetal risk indicators with febrile convulsions and seizures at 7 years
| Febrile convulsions at 7 years (N=244) |
Single unprovoked seizures (N=674) |
Epilepsy at 7 years (N=65) |
|
|---|---|---|---|
| Explanatory variables |
OR (95%CI) | OR (95%CI) | OR (95%CI) |
| Social disadvantage indicators 1 | |||
| Manual social class | 1.01 (0.73-1.39) | 1.25 (0.94-1.67) | 1 .10 (0.58-2.09) |
|
Council/Rented accommodation |
1.14 (0.86-1.51) | 1.29 (0.96-1.54) | 1.38 (0.79-2.41) |
| Financial difficulties | 0.69 (0.38-1.29) | 1.57 (1.09-2.27) | 1.75 (0.80-3.88) |
| Single mother | 0.68 (0.28-1.66) | 0.54 (0.24-1.21) | 0.48 (0.07-3.49) |
|
Social disadvantage (summed) |
1.03 (0.86-1.23) | 1.16 (1.00-1.35) | 1.30 (0.92-1.86) |
| Foetal risk indicators 2 | |||
| Smoking (mother) | 1.10 (0.82-1.50) | 0.97 (0.74-1.27) | 0.87 (0.47-1.62) |
| Pre-eclampsia | 1.23 (0.91-1.67) | 0.91 (0.69-1.19) | 1.17 (0.64-2.11) |
| Low birthweight | 0.94 (0.56-1.58) | 1.45 (0.99-2.11) | 1.71 (0.77-3.81) |
| Prematurity | 0.78 (0.49-1.23) | 1.16 (0.82-1.64) | 1.18 (0.55-2.52) |
|
Summed foetal risk indicators score (summed) |
1.08 (0.90-1.30) | 1.06 (0.90-1.24) | 1.17 (0.83-1.65) |
OR=odds ratio; CI=confidence interval.
1
associations are adjusted for foetal risk indicators.
2
associations are adjusted for social disadvantage. The highlighted represents logistic regression models that were significant i.e. if the confidence interval did not include the null value 1.