Table 1

Demographic factors

FactorCaseControlORa95% CI
n%n%
Gender
Male27955.425149.81.0
Female22544.625350.20.80.6–1.0
Mother’s race
White40981.239678.61.0
Black367.1397.70.70.4–1.4
Hispanic418.15410.70.60.4–1.1
Other183.6153.01.30.6–2.8
Mother’s education
<High school5410.75110.12.20.8–6.3
High school34167.731863.11.30.9–1.8
College10921.613526.81.0
Mother’s age
<20 yr448.7356.91.30.6–2.7
20–2411222.211021.81.20.8–1.8
25–3020039.720640.91.0
31–3913827.414629.00.80.6–1.2
40+102.071.43.50.7–16.8
Household income in birth year (in thousands)
<$108417.75411.11.60.8–3.3
$10–208517.99118.71.40.7–2.7
$21–308217.311423.51.0
$31–407315.48617.71.80.9–3.6
$41–505110.75210.71.00.4–2.3
>$5010021.08918.31.60.7–3.5
  • a Unadjusted matched OR.