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Table 4 Primary vaccination coverage of migrant children aged 1–4 years before and after the implementation of EPI intervention package in Yiwu

From: Does introducing an immunization package of services for migrant children improve the coverage, service quality and understanding? An evidence from an intervention study among 1548 migrant children in eastern China

Vaccines Dose Coverage before interventions (N = 1136) Coverage after interventions (N = 412) χ 2 P
N % N %
BCG   1021 89.9 388 94.2 6.318 0.012
Hep B 1 1038 91.4 406 98.6 23.674 <0.001
  2 1030 90.7 401 97.3 18.259 <0.001
  3 1001 88.1 396 96.2 21.084 <0.001
PV 1 1044 91.9 406 98.5 21.389 <0.001
  2 1038 91.4 403 97.7 18.514 <0.001
  3 1022 90.0 397 96.3 15.358 <0.001
MCV 1 982 86.4 409 99.3 53.196 <0.001
 Timelinessa   485 42.7 368 89.3 263.813 <0.001
DPT 1 1037 91.3 405 98.3 22.244 <0.001
  2 1027 90.4 400 97.2 17.821 <0.001
  3 1010 88.9 395 95.9 16.674 <0.001
JEV-Li 1 966 85.0 399 96.9 39.325 <0.001
Fully immunized#   812 71.5 365 88.6 47.658 <0.001
  1. a: Timeliness of MCV1 was defined as MCV vaccination occurring within the first day to the final day of the 8th month of life. #: Fully immunized was defined by receiving one dose of BCG, one dose of MCV, one dose of JEV, 3 doses of Hep B, 3 doses of DPT and 3 doses of PV