Impact of the COVID-19 Epidemic on Inhalant Allergen Sensitization in Children

Table 2

Logistics regression analysis of positive rate of inhaled allergens before and during COVID-19.

Allergen	Univariate regression analysis				Multivariate regression analysis
	Wald χ^2	P	OR^a	OR 95% CI	Wald χ^2		P	OR^b	OR 95% CI
d1	73.933	<0.001	1.564	1.413–1.732	4.641		0.031	1.174	1.015–1.358
d2	152.380	<0.001	2.124	1.885–2.394	8.760		0.003	1.301	1.093–1.549
e2	73.835	<0.001	1.735	1.530–1.968	25.261		<0.001	1.499	1.280–1.756
mx2	425.378	<0.001	4.023	3.524–4.592	268.628		<0.001	3.959	3.358–4.667
Sycamore	43.075	<0.001	3.576	2.444–5.233	13.013		<0.001	2.510	1.522–4.139
e1	38.662	<0.001	3.879	2.530–5.948	22.527		<0.001	4.249	2.338–7.722
w1	47.907	<0.001	2.483	1.919–3.213	15.457		<0.001	1.828	1.353–2.470
elm	21.405	<0.001	5.250	2.601–10.598	7.372		0.007	3.576	1.425–8.974
w6	21.038	<0.001	1.803	1.402–2.320	7.202		0.007	1.538	1.123–2.106
i6	1.480	0.224	0.885	0.727–1.077	1.396		0.237	0.862	0.675–1.102
w14	0.494	0.482	0.751	0.337–1.670	0.833		0.361	0.686	0.305–1.541
t70	0.062	0.804	1.106	0.500–2.448	0.029		0.866	1.072	0.479–2.397
U80	16.146	<0.001	2.569	1.621–4.071	9.799		0.002	2.521	1.413–4.497
F37	0.808	0.369	2.460	0.345–17.514	1.028		0.327	2.741	0.365–20.566

Note. ^aUnivariate regression analysis was performed in groups before and during COVID-19. ^bAdjusted for gender, age, and season. Abbreviations: Dermatophagoides pteronyssinus (d1), Dermatophagoides farinae (d2), dog hair (e2), cat hair (e1), cockroaches (i6), mulberry (t70), sycamore pollen (sycamore), elm pollen (elm), grass pollen (u80), mugwort pollen (w6), common ragweed pollen (w1), amaranth (w14), green oysters (f37), and mold (mx2).