. 2019 Apr 9;8(2):33–42. doi: 10.5409/wjcp.v8.i2.33

Table 3.

Risk factors among respiratory viral infection

Variable		No virus detected (n = 253)	Respiratory viral positive (n = 130)	P value
Birth weight (≥ 2500 g)	No	48	22	0.623
Birth weight (≥ 2500 g)	Yes	205	108	0.623
Breast fed exclusively for ≥ 3 mo	No	198	92	0.106
Breast fed exclusively for ≥ 3 mo	Yes	55	38	0.106
Gestational age (≥ 37 wk)	No	30	14	0.752
Gestational age (≥ 37 wk)	Yes	223	116	0.752
Neonatal complications	No	214	111	0.836
Neonatal complications	Yes	39	19	0.836
Family history of asthma	No	214	114	0.751
Family history of asthma	Yes	27	16	0.751
History of smoking in the household	No	195	106	0.315
History of smoking in the household	Yes	58	24	0.315
Kitchen type	Indoor with partition	174	99	0.313
	Indoor without partition	77	30
	Open air	2	1
PICU admission	No	214	112	0.683
PICU admission	Yes	39	18	0.683

RSV: Respiratory syncytial virus; PICU: Pediatric intensive care unit.