Table 2.

Linear mixed-models evaluation of log endotoxin (EU m^–2) and allergen (ng m^–2) sampling using electrostatic dust collectors (EDCs). Model estimates and 95% confidence interval (CI) of sampling 7, 14, and 28 days are shown.

	Effect	N	Modeled GM	95% CI	Sampling period P-value	Fold differences between modeled GM
Endotoxin (EU m –2)a
	Day 7	30	934	604–1450		7 versus 14	2.15
	Day 14	30	2010	1370–2950	<0.0001	14 versus 28	1.38
	Day 28	30	2770	1850–4140		7 versus 28	2.96
Allergens (ng m –2)
Fel d1 b
	Day 7	7	58.1	13.9–244		7 versus 14	1.87
	Day 14	7	109	24.7–479	0.40	14 versus 28	0.87
	Day 28	7	95.1	25.9–349		7 versus 28	1.64
Can f1 c
	Day 7	6	276	27.7–2750		7 versus 14	2.00
	Day 14	6	554	84.7–3630	0.078	14 versus 28	1.69
	Day 28	6	939	147–6020		7 versus 28	3.40
Mus m1 d	Day 7	7	58.7	20.4–169		7 versus 14	1.59
	Day 14	7	93.5	41.3–212	0.0085	14 versus 28	2.35
	Day 28	7	220	87.7–552		7 versus 28	3.75

^alogEndotoxin = 3.44–0.47(Day 7) − 0.14(Day 14) + ɛ

^blogCatAllergen = 1.98–0.21(Day 7) + 0.058(Day 14) + ɛ

^clogDogAllergen = 2.97–0.53(Day 7) − 0.23(Day 14) + ɛ

^dlogMouseAllergen = 2.34–0.57(Day 7) − 0.37(Day 14) + ɛ