Table 2.

Multinomial Odds Ratios for autism spectrum disorder and developmental delay in relation to dust phthalate concentrations, CHARGE study, n = 144^a

Phthalates	ASD versus TD		DD versus TD
	OR	95 % CI	OR	95 % CI
Boys and Girls (n = 144)
Di-methyl phthalate	1.09	[0.79; 1.50]	1.14	[0.75; 1.72]
Di-ethyl phthalate	1.13	[0.76; 1.66]	1.18	[0.70; 1.98]
Di-butyl phthalate	1.06	[0.65; 1.73]	1.63	[0.92; 2.87]
Butyl benzyl phthalate	1.17	[0.85; 1.61]	1.40	[0.97; 2.04]
Di-(2-ethylhexyl) phthalate	1.33	[0.78; 2.25]	2.12	[1.10; 4.09]
Boy only (n = 115)
Di-methyl phthalate	1.12	[0.79; 1.61]	1.12	[0.67; 1.83]
Di-ethyl phthalate	1.01	[0.66; 1.55]	1.16	[0.65; 2.07]
Di-butyl phthalate	1.27	[0.72; 2.25]	1.38	[0.70; 2.72]
Butyl benzyl phthalate	1.20	[0.84; 1.72]	1.59	[1.00; 2.53]
Di-(2-ethylhexyl) phthalate	1.23	[0.69; 2.19]	2.27	[1.00; 5.11]

Analyses adjusted for child age at assessment, child gender and race, maternal education and date of dust collection

ASD autism spectrum disorder, DD developmental delay, TD typically developing

^aDate of dust collection was missing for one participant