. Author manuscript; available in PMC: 2014 Jan 27.

Published in final edited form as: Am J Med Genet B Neuropsychiatr Genet. 2012 Oct 22;0(8):987–996. doi: 10.1002/ajmg.b.32107

Table III.

Predictors of web-based study completion

Variable	Wald Statistic	df	Significance level	Odds Ratio
Male	.232	1	.630	1.08
Higher census-derived income	1.060	1	.303	1.00
Non-white race	1.003	1	.317	1.29
ADHD diagnosis	.685	1	.408	1.20
OCD diagnosis	.330	1	.566	1.12
Both ADHD & OCD diagnoses	2.507	1	.113	.62
Ages 6–8 compared to 26+	45.730	1	<.001^*	.17
Ages 9–12 compared to 26+	13.849	1	<.001^*	.47
Ages 13–17 compared to 26+	3.832	1	.050	.67
Ages 18–25 compared to 26+	21.671	1	<.001^*	.35

^**

Significant at the p=<.005 level