Variables | Case Mothers | Control Mothers | ||||||
---|---|---|---|---|---|---|---|---|
without Epilepsy (N=22,748) | with Epilepsy (N=95) | without Epilepsy (N=38,061) | with Epilepsy (N=90) | |||||
Quantitative | No. | % | No. | % | No. | % | No. | % |
Maternal age, yr. | ||||||||
- 19 | 2,494 | 11.0 | 12 | 12.6 | 3,271 | 8.6 | 6 | 6.7 |
20 – 29 | 15,525 | 68.2 | 68 | 71.6 | 27,531 | 72.3 | 71 | 78.9 |
30 - | 4,729 | 20.8 | 15 | 15.8 | 7,259 | 19.1 | 13 | 14.4 |
Mean ± S.D. | 25.5 ± 5.3 | 24.6 ± 4.6 | 25.5 ± 4.9 | 24.9 ± 4.5 | ||||
Birth order | ||||||||
1 | 10,654 | 46.8 | 54 | 56.8 | 18,156 | 47.7 | 53 | 58.9 |
2 or more | 12,094 | 53.2 | 41 | 43.2 | 19,905 | 52.3 | 37 | 41.1 |
Mean ± S.D. | 1.9 ± 1.1 | 1.6 ± 0.8 | 1.7 ± 0.9 | 1.7 ± 1.2 | ||||
Categorical | No. | % | No. | % | No. | % | No. | % |
Unmarried | 1,258 | 5.5 | 11 | 11.6 | 1,462 | 3.8 | 10 | 11.1 |
Employment status | ||||||||
Professional | 1,972 | 8.7 | 5 | 5.3 | 4,418 | 11.6 | 5 | 5.6 |
Managerial | 5,078 | 22.3 | 19 | 20.0 | 10,245 | 26.9 | 20 | 22.2 |
Skilled worker | 6,479 | 28.5 | 22 | 23.2 | 11,885 | 31.2 | 23 | 25.6 |
Semiskilled worker | 4,178 | 18.4 | 19 | 20.0 | 6,145 | 16.1 | 16 | 17.8 |
Unskilled worker | 1,766 | 7.8 | 10 | 10.5 | 2,177 | 5.7 | 10 | 11.1 |
Housewife | 2,398 | 10.5 | 8 | 8.4 | 2,343 | 6.2 | 11 | 12.2 |
Others | 877 | 3.9 | 12 | 12.6 | 848 | 2.2 | 5 | 5.6 |
Pregnancy supplements | ||||||||
Iron | 14,688 | 64.6 | 54 | 56.8 | 26,716 | 70.2 | 55 | 61.1 |
Calcium | 1,799 | 7.9 | 4 | 4.2 | 3,578 | 9.4 | 5 | 5.6 |
Folic acid | 11,245 | 49.4 | 34 | 35.8 | 20,731 | 54.5 | 44 | 48.9 |
Vitamin D | 6,084 | 26.7 | 17 | 17.9 | 10,133 | 26.6 | 17 | 18.9 |
Multivitamins | 1,325 | 5.8 | 5 | 5.3 | 2,500 | 6.6 | 9 | 10.0 |