Table 2

Sociodemographic and clinical characteristics of sampled child-caregiver pairs (n=2514)

	N	%		N	%
Child age (months)			Caregivers interviewed
6–11	528	21.0	Mother	2002	79.6
12–23	1034	41.1	Father	189	7.5
24–35	952	37.9	Grandparents	320	12.7
Child gender			Others	3	0.1
Male	1427	56.8	Caregivers’ age
Female	1087	43.2	<20	42	1.7
Having elder sibling			20-	1561	62.1
Yes	1277	50.8	30-	539	21.4
No	1203	47.9	40-	349	13.9
Unknown	34	1.4	Unknown	23	0.9
Left-behind children			Caregivers’ education
Yes	286	11.4	Illiteracy	256	10.2
No	2228	88.6	Primary education	661	26.3
Ethnicity			Secondary	1277	50.8
Han	1621	64.5	Above secondary	320	12.7
Minority	893	35.5	Distance to health facility
			＜5 km	1345	53.5
			≥5 km	1131	45.0
			Unknown	38	1.5