Table 4.

Can f 1 levels¹ in homes with detectable levels only by residential characteristics, WHEALS cohort, Detroit, MI

	Any dogs in the home
	N	GM2	Yes Range	p-value3	N	GM2	No Range	p-value3
Environment				<0.001				0.97
Suburban	113	2.72	1.75 – 4.24		155	0.057	0.046 – 0.070
Urban	107	0.53	0.35 – 0.80		148	0.057	0.046 – 0.070
Flooring type				0.69				0.46
Carpeted	172	1.31	0.89 – 1.91		308	0.057	0.049 – 0.067
Bare	57	1.09	0.60 – 1.99		64	0.045	0.035 – 0.058
	1 dog homes (homes with detectable levels only) where dog is ever allowed inside
	Dog allowed in baby’s bedroom				Dog not allowed in baby’s bedroom
	N	GM2	Range	p-value3	N	GM2	Range	p-value3
Environment				0.08				0.02
Suburban	61	3.45	1.88 – 6.33		30	1.66	0.71 – 3.84
Urban	22	1.13	0.37 – 3.42		50	0.49	0.27 – 0.89
Flooring type				0.46				0.08
Carpeted	54	2.84	1.39 – 5.80		60	1.00	0.56 – 1.80
Bare	28	2.07	0.90 – 4.72		18	0.34	0.12 – 0.95

¹All Can f 1 units are in mcg/g

²Geometric Mean

³Wilcoxon rank sum test