Vaccination coverage estimates and utilization patterns of inactivated enterovirus 71 vaccine post vaccine introduction in Ningbo, China

Table 3 Factors associated with receipt of EV71 vaccination(≥1dose) by demographic characteristics for children born during 2016–2018 in Ningbo, China

Characteristics	EV71 vaccination (≥1dose)		EV71 vaccination on-time^a
Characteristics	aOR(95%CI)	P	aOR(95%CI)	P
Sex
Male	1.00(0.98–1.01)	0.082	0.99(0.97–1.01)	0.176
Female	Reference		Reference
Immigration status
Resident children	1.48(1.15–1.90)	0.002	1.41(1.03–1.92)	0.032
Migrant children	1.08(0.84–1.39)	0.529	0.98(0.72–1.34)	0.895
Foreign children	Reference		Reference
Urbanicity
Inner	1.48(1.45–1.50)	< 0.001	1.48(1.44–1.52)	< 0.001
Outer	Reference		Reference
Birth year
2018	1.30(1.28–1.33)	< 0.001	4.63(4.52–4.75)	< 0.001
2017	1.52(1.49–1.54)	< 0.001	2.69(2.62–2.76)	< 0.001
2016	Reference		Reference
Socioeconomic level of resident areas
High	1.45(1.42–1.48)	< 0.001	1.95(1.90–2.00)	< 0.001
Low	Reference		Reference
Scale of immunization clinics
Large-scaled	1.01(1.00–1.03)	0.142	1.25(1.22–1.27)	< 0.001
Midsized	1.07(1.05–1.10)	< 0.001	0.82(0.80–0.85)	< 0.001
Small-sized	Reference		Reference

aOR Adjusted odds ratio, CI Confidence interval
^aEV71 vaccination on-time was defined as receiving at least 1 dose of EV71 vaccine during 6-12 months of age

ISSN: 1471-2458