Table 1 Descriptive statistics for predictors and outcomes
From: Maternal infections during pregnancy and child cognitive outcomes
| Â | N | % | Â |
|---|---|---|---|
Maternal Prenatal Infections | Â | Â | Â |
 Any time during pregnancy ( n = 6,849) |  |  |  |
  No | 3107 | 45.4 |  |
  Yes | 3742 | 54.6 |  |
 1st trimester ( n = 6,889) |  |  |  |
  No | 5288 | 76.8 |  |
  Yes | 1601 | 23.2 |  |
 2nd trimester (n = 6,860) |  |  |  |
  No | 4468 | 65.1 |  |
  Yes | 2392 | 34.9 |  |
 3rd trimester (n = 7,091) |  |  |  |
  No | 5588 | 78.8 |  |
  Yes | 1503 | 21.2 |  |
 Child scores | Mean | SD | Range |
 GMDS (Mean age = 1.5 years) |  |  |  |
  Hearing /Speech (Verbal) | 100 | 16.1 | 62–114 |
  Performance | 113 | 12.7 | 64–135 |
  Average | 108 | 8.8 | 65–114 |
 WPPSI-RUK (Mean age = 4.1 years) | |||
  Verbal Scale | 100 | 13.6 | 54–152 |
  Performance Scale | 108 | 14.6 | 55–151 |
  Fullscale | 104 | 14.2 | 52–113 |
 WISC-III (Mean age = 8.6 years) | |||
  Verbal Scale | 107 | 16.7 | 46–155 |
  Performance Scale | 100 | 17.1 | 46–151 |
  Total Scale | 104 | 16.5 | 45–151 |