Table 2

Multivariable analysis of the association between cesarean delivery and ASD.

Delivery type	Number of cases/controls	Crude	Odds ratio (95% CI)
			Adjusted
			^*Model 1	^{^†}Model 2
*Cesarean section*
Yes	34/36	2.46 (1.40-4.33)	2.9 (1.57-5.35)	3.41 (1.76-6.58)
No	53/138	Ref	Ref	Ref

ASD - autism spectrum disorder, OR - odds ratio, CI - confidence interval
↵* Model 1 adjusted for maternal and paternal age, maternal and paternal education, parity and family income.
↵† Model 2 adjusted for the same factors in model 1 in addition to hypertension, UTI and fever during pregnancy