Table 3.

Association of microbial biomarkers with respiratory symptoms and allergic sensitization at school age, in dual exposure (GNB + GPB) models

	Current Asthma*† POR (95% CI)	Recurrent Wheeze* POR (95% CI)	Allergic Sensitization*‡ PR (95% CI)
Family Room
Endotoxin (LAL)     (> Median)	0.4 (0.2 to 0.8)§	0.4 (0.2 to 0.97)§	0.8 (0.6 to 0.97)§
Muramic Acid     (> Median)	0.7 (0.3 to 1.5)	0.8 (0.3 to 1.7)	1.0 (0.8 to 1.2)
Bed
Endotoxin (LAL)     (> Median)	0.8 (0.3 to 1.8)	0.5 (0.2 to 1.1)	1.03 (0.82 to 1.31)
Muramic Acid     (> Median)	0.4 (0.2 to 1.0)	0.6 (0.3 to 1.5)	1.06 (0.81 to 1.39)

^*Adjusted for age, race, sex

^†Adjusted for maternal asthma

^‡Adjusted for sex, race

^§p< 0.05

POR= prevalence odds ratio; PR = Prevalence ratio