Table 3.

Multiple logistic regression analysis of qualitative abnormalities in reciprocal social interaction (domain A in ADI-R) in the preterm and term ASD groups

ADI-R item	Estimate	SE	OR	95% CI	P value
Failure to use nonverbal behaviors to regulate social interaction (A1)	0.95	0.31	2.59	1.41–4.73	0.002
Failure to develop peer relationships (A2)	− 0.55	0.22	0.58	0.38–0.90	0.01
Lack of socioemotional reciprocity (A4)	− 0.59	0.26	0.55	0.33–0.92	0.02

ADI-R Autism Diagnostic Interview-Revised, CI confidence interval, OR odds ratio, SE standard error