Interaction between early-life pet exposure and methylation pattern of ADAM33 on allergic rhinitis among children aged 3–6 years in China

Table 1 Characteristics of study participants

Variable	AR	Control	P-value
N	130	154
Male (%)	78 (60.00)	98 (63.64)	0.532
Age (SD), month	53.72 (11.04)	52.14 (10.11)	0.209
Weight (SD), kg	19.27 (1.76)	18.25 (1.77)	0.0800
Height (SD), mm	105.81 (4.98)	106.09 (5.07)	0.581
Maternal allergic history (%)	75 (57.69)	70 (45.45)	0.0390
Season of birth
Spring–summer	62	77	0.698
Autumn–winter	68	77
Exposed to pet (%)	49 (37.69)	40 (25.97)	0.0339
Exposed to second-hand smoke (%)	59 (45.38)	66 (42.86)	0.669
Venous whole-blood eosinophil counts (cells/mL³)	372.35 (108.02)

ISSN: 1710-1492