Table 3.

Odds of any injury or any serious injury by study group (ASD cases vs. general population [POP] controls and non-ASD developmental delays/disorders [DD] controls)

ASD vs. POP	Injury (n)		Crude			Sociodemographic base model				Fully adjusted model
	ASD	POP	OR	95% CI		OR	95% CI		p-value*	OR	95% CI		p-value
Ever injury	224	267	1.09	0.88	1.35	1.15a	0.91	1.45	0.2438	1.10c	0.86	1.39	0.4449
Ever serious injury	184	218	1.08	0.85	1.35	1.09b	0.85	1.40	0.4929	1.03d	0.7	1.53	0.8679
ASD vs. DD	Injury (n)		Crude			Sociodemographic base model				Fully adjusted model
	ASD	DD	OR	95% CI		OR	95% CI		p-value	OR	95% CI		p-value
Ever injury	224	188	1.23	0.98	1.56	1.30b	1.02	1.67	0.0370	1.30b	1.02	1.67	0.0370
Ever serious injury	184	158	1.15	0.90	1.47	1.20b	0.92	1.56	0.1794	1.05e	0.77	1.44	0.7531

^*p < 0.05 considered statistically significant

^aAdjusted for child sex and enrollment age, and maternal race/ethnicity, education and primary language, with a random intercept included for site (sociodemographic base model)

^bAdjusted for child sex and maternal race/ethnicity, education and primary language, with a random intercept included for site (sociodemographic base model)

^cSociodemographic base model also adjusted for prior diagnosis of ADHD

^dSociodemographic model also adjusted for attention problems (CBCL) and IQ

^eSociodemographic base model also adjusted for attention problems (CBCL)