Table 4.

Relation of endotoxin in infancy and at school age with current asthma, recurrent wheeze, and allergic sensitization at school age

	Current Asthma*†			Recurrent Wheeze*			Allergic Sensitization*‡
	No	Yes	POR (95% CI)	No	Yes	POR (95% CI)	No	Yes	PR (95% CI)
Endotoxin Assessment in early life + school age (Early Life = Age 1–3months) (School Age= Age 7)
Below median at both time points	71	12		71	12		21	35
Above median in early life only	52	10	1.00 (0.38 to 2.67)	55	7	0.75 (0.27 to 2.1)	22	25	0.89 (0.64 to 1.25)
Above median at school age only	49	4	0.31 (0.09 to 1.1)	50	3	0.31 (0.08 to 1.2)	21	16	0.68 (0.45 to 1.03)
Above median at both time points	90	3	0.14 (0.04 to 0.56)§	90	3	0.19 (0.05 to 0.72)§	31	35	0.86 (0.63 to 1.17)

^*Adjusted for age, race, sex

^†Adjusted for maternal asthma

^‡Adjusted for sex, race

^§p< 0.05

POR= prevalence odds ratio; PR = Prevalence ratio