The Relationship between Aeroallergen Sensitization and Chronic Cough in School-Aged Children from General Population

Table 2

Comparison between chronic cough and control groups in allergen sensitization and associations of chronic coughing with sensitization to aeroallergen.

(a)

	Control	Chronic cough	value
Allergic profiles, (%)	987 (100)	64 (100)	0.529
Nonsensitization	469 (47.5)	33 (51.6)
Sensitization	518 (52.5)	31 (48.4)
Mono-	313 (31.7)	16 (25.0)
Poly-	205 (20.8)	15 (23.4)
Sensitization to aeroallergen, (%)	987 (100)	64 (100)
HDM	466 (47.2)	30 (46.9)	0.780
Animal hair	117 (11.9)	9 (14.1)	0.661
Pollen	163 (16.5)	14 (21.9)	0.361
Mold	25 (2.5)	1 (1.6)	0.497

(b)

	Chronic coughing
	Crude OR (95% CI)	value	aOR (95% CI)	value
Sensitization to aeroallergen
No	Ref		Ref
Yes	0.851 (0.513 to 1.411)	0.531	0.942 (0.550 to 1.613)	0.827
Sensitization to HDM
No	Ref		Ref
Yes	1.099 (0.619 to 1.951)	0.747	1.240 (0.673-2.286)	0.490
Sensitization to pollen
No	Ref		Ref
Yes	2.008 (0.967 to 4.166)	0.061	2.387 (1.115 to 5.111)	0.025
Sensitization to animal hair
No	Ref		Ref
Yes	1.336 (0.608 to 2.935)	0.470	1.312 (0.584 to 2.945)	0.511

aOR: adjusted odds ratio; CI: confidence interval; LBW: low birth weight; HDM: house dust mite. values are from a test or Student’s -test. Adjusted for gender, grade, obesity, sensitization, prematurity, and/or low birth weight. Numbers in bold indicate significant differences ().