Table 1.
Demographic characteristics of subjects whose mothers underwent no/mild and moderate/high stress during pregnancy
| Factor | No or mild stress N=211 | Moderate or high stress N=199 | t or χ2 | p |
|---|---|---|---|---|
| Child’s age at baseline (SD) | 9.0 (1.9) | 9.1 (1.8) | 0.4 | .70 |
| Gender. Female/Male | 39/172 | 35/164 | 0.06 | .81 |
| Familial income ≤30 000$/>30 000$ | 55/156 | 101/98 | 26.5 | <.001** |
| Maternal smoking during pregnancy. Yes/No | 59/152 | 88/111 | 11.8 | .001** |
| Maternal alcohol during pregnancy. Yes/No | 48/163 | 44/155 | 0.02 | .88 |
| Obstetrical complications. Yes/Noa | 162/49 | 164/35 | 2.00 | .16 |
| FSIQ (SD) | 98.6 (13.6) | 96.2 (12.7) | 1.9 | .06 |
| CBCL total (SD) | 66.5 (8.2) | 70.5 (8.3) | 4.9 | <.001** |
| CGI-P total (SD) | 70.4 (10.6) | 74.2 (11.1) | 3.6 | <.001** |
| CGI-T total (SD) | 67.2 (12.4) | 70.9 (11.7) | 3.1 | <.01** |
SD= Standard Deviation
a
Presence of obstetric complications defined as a rating of 4 or above on the McNeil-Sjöström scale
**
Statistically significant at < .01