Table 3.

Multinomial regression predicting risk of receiving a particular diagnosis prior to autism compared with ADHD (n = 228)

	Odds ratio	P value	95% CI
Adjustment disorder
Age at first specialty visit	1.0	0.76	0.8, 1.1
Male	8.9	<0.01	3.5, 22.6
Other ethnicity	4.1	0.09	0.8, 21.7
Black	5.1	0.02	1.3, 19.1
Cognitive disorders
Age at first specialty visit	0.9	0.51	0.8, 1.1
Male	2.2	0.15	0.7, 6.4
Other ethnicity	1.1	0.92	0.2, 5.1
Black	1.7	0.31	0.6, 4.5
Conduct disorders
Age at first specialty visit	1.0	0.80	0.9, 1.2
Male	3.5	0.01	1.4, 8.8
Other ethnicity	0.9	0.86	0.2, 4.1
Black	2.4	0.05	1.1, 6.1
Other disorders
Age at first specialty visit	1.2	0.11	1.0, 1.4
Male	1.9	0.34	0.5, 6.8
Other ethnicity	0.8	0.83	0.1, 8.5
Black	2.6	0.16	0.7, 9.9