Caregivers: the potential infection resources for the sustaining epidemic of hand, foot, and mouth disease/herpangina in Guangdong, China?

Table 7 Associations between having extra-curricular class and children’s HFMD/HA suffering by children’s age

Children’s age	Having extra-curricular class	Cases (n/%)	Controls (n/%)	OR^a (95%CI)	OR^b (95%CI)	P^a	P^b
< 3	No	192 (100)	181 (94.27)	1(reference)	1(reference)	0.999	0.999
	Yes	0 (0)	11 (5.73)	< 0.001(−)	< 0.001(−)	0.999	0.999
≥3	No	111 (80.43)	102 (73.91)	1(reference)	1(reference)	0.198	0.265
	Yes	27 (19.57)	36 (26.09)	0.69 (0.39–1.22)	0.62 (0.33–1.18)	0.198	0.265

^aSingle variable analysis
^bAdjusted for children’s age, children’s current residence, children’s family monthly income, other children aged five and under in children’s family

ISSN: 2049-3258