Skip to main content

Table 2 EV71 vaccination coverage among children born during 2012–2018 in Ningbo, China

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

Characteristics EV71 vaccination coverage(≥1dose) EV71 vaccination coverage on-timea
No. rate %(95%CI) No. rate %(95%CI)
Total 172,236 24.05(23.95–24.15) 61,661 8.61(8.54–8.67)
Sex
 Male 90,124 23.77(23.64–23.91) 32,081 8.46(8.37–8.55)
 Female 82,112 24.36(24.22–24.51) 29,580 8.78(8.68–8.87)
Immigration status
 Resident children 87,935 26.24(26.09–26.39) 33,512 10.00(9.90–10.10)
 Migrant children 84,162 22.13(22.00–22.26) 28,095 7.39(7.30–7.47)
 Foreign children 139 19.31(16.48–22.38) 54 7.50(5.68–9.67)
Urbanicity
 Inner 110,989 27.97(27.83–28.11) 44,136 11.12(11.03–11.22)
 Outer 61,247 19.18(19.04–19.31) 17,525 5.49(5.41–5.57)
Birth year
 2012 501 0.49(0.45–0.53) N/A N/A
 2013 2675 2.79(2.68–2.89) N/A N/A
 2014 10,822 10.05(9.87–10.23) N/A N/A
 2015 22,590 23.19(22.92–23.45) 338 0.35(0.31–0.39)
 2016 42,677 38.28(37.99–38.56) 10,316 9.25(9.08–9.42)
 2017 50,826 48.00(47.70–48.30) 21,998 20.77(20.53–21.02)
 2018 42,145 44.23(43.92–44.55) 29,009 30.45(30.15–30.74)
Socioeconomic level of resident areas
 High 76,556 29.62(29.44–29.79) 33,244 12.86(12.73–12.99)
 Low 95,680 20.90(20.79–21.02) 28,417 6.21(6.14–6.28)
Scale of immunization clinics
 Large-scaled 76,687 24.45(24.30–24.60) 31,915 10.18(10.07–10.28)
 Midsized 43,279 23.94(23.74–24.14) 12,280 6.79(6.68–6.91)
 Small-sized 52,270 23.57(23.39–23.75) 17,466 7.88(7.76–7.98)
  1. aEV71 vaccination on-time was defined as receiving at least 1 dose of EV71 vaccine during 6-12 months of age