Table 1.
Table 1.
Demographic and Pregnancy Factors of Mothers of Children with Fetal Alcohol Syndrome (FAS) (Study 1) and Mothers of Children with Some Characteristics of Fetal Alcohol Syndrome (Study 2).
Demographic and Pregnancy Factors | Study 1 | Study 2 | ||||
---|---|---|---|---|---|---|
Case*n = 43Mean (Range) | Controln = 86Mean (Range) | P Value | Case*n = 35Mean (Range) | Controln = 70Mean (Range) | P Value | |
Number of criteria for FAS | 5.0 (5–5) | 0.48 (0–3) | .001 | 3.2 (1–4) | 0.31 (0–3) | .001 |
Age (years) | 26.6 (17–39) | 24.2 (17–37) | .02 | 28.0 (18–41) | 24.5 (17–37) | .01 |
Education (years) | 9.8 (8–12) | 11.0 (8–16) | .003 | 10.2 (7–12) | 11.0 (6–15) | .11 |
Gravidity | 6.6 (1–15) | 5.0 (1–14) | .007 | 6.0 (2–11) | 4.6 (1–12) | .02 |
Number of live-born children | 5.5 (1–12) | 4.3 (1–12) | .01 | 5.5 (2–11) | 4.1 (1–10) | .01 |
Number of children before index child | 3.4 (0–10) | 1.9 (0–9) | .001 | 3.1 (0–10) | 1.7 (0–8) | .01 |
Number of children after index child | 1.2 (0–6) | 1.3 (0–4) | .65 | 1.4 (0–7) | 1.5 (0–4) | .96 |
Number of prenatal visits† | 3.7 (0–14) | 6.4 (0–17) | .004 | 3.1 (0–9) | 7.0 (0–20) | .001 |
Month of first prenatal visit† | 5.2 (1–9) | 4.5 (1–9) | .17 | 5.0 (2–9) | 3.8 (1–8) | .04 |
* None of the differences between study 1 and 2 case mothers are statistically significant.
† Data are for the pregnancy with the index child.