Sensitization to airborne allergens among adults and its impact on allergic symptoms: a population survey in northern Vietnam

Table 3 Prevalence (%) of symptoms and diseases based on the interview among all subjects and among subjects sensitized (Yes) and not sensitized (No) to common air born allergens

Symptoms or conditions	Prevalence (%)	Any animal			Any mite			Cockroach			Any allergens
Symptoms or conditions	Prevalence (%)	Yes	No	p-value^*	Yes	No	p-value^*	Yes	No	p-value^*	Yes	No	p-value*
Ever asthma	6.7	13.9	6.0	0.067	9.4	5.6	0.125	5.7	6.7	0.801	8.9	5.4	0.124
Physician diagnosed asthma	5.0	5.6	5.0	0.892	4.3	5.3	0.635	2.9	5.4	0.396	4.4	5.4	0.636
Asthma medicine	2.5	2.8	2.2	0.827	2.2	2.3	0.928	1.4	2.4	0.615	1.7	2.6	0.513
Asthma attack	2.0	5.6	1.4	0.063	2.9	1.3	0.207	2.9	1.5	0.419	3.3	0.9	0.036
Asthma hospitalization	2.5	2.8	2.0	0.756	2.9	1.8	0.435	0	2.4	0.213	2.2	2.0	0.858
Wheezing last 12 months	24.0	27.8	23.2	0.530	23.7	23.4	0.937	27.1	22.9	0.446	27.8	21.3	0.096
Recurrent wheeze	7.3	8.3	6.3	0.622	10.1	5.1	0.039	11.4	5.6	0.065	10.0	4.5	0.015
Allergic rhinitis	22.4	44.4	21.4	0.001	30.9	20.1	0.009	38.6	20.6	0.001	32.8	17.9	<0.001
AR symptoms last 12 months	19.5	44.4	17.8	<0.001	28.1	16.6	0.003	33.3	17.5	0.002	29.6	14.5	<0.001
Intermittent AR	16.2	25.0	15.7	0.145	23.0	14.0	0.013	21.4	15.6	0.215	22.8	13.0	0.004
Persistent AR	5.1	19.4	4.5	<0.001	7.2	4.9	0.290	14.5	4.1	<0.001	8.4	4.0	0.034

*Difference (p-value) in prevalence of symptoms and diseases among sensitized v.s non-sensitized subjects.

ISSN: 2045-7022