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Table 7 Knowledge level of migrant mothers on immunization before and after the interventions

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

Knowledge on immunization Correct response rate (n/%) χ 2 P
Before interventions (N = 1136) After interventions (N = 412)
Know the vaccination was necessary 1055/92.9 409/99.3 22.916 <0.001
Know the immunization schedule 841/74.0 377/91.5 53.997 <0.001
Immunity can be achieved without vaccination 945/83.2 372/90.2 11.468 0.001
Vaccine was effective 1033/90.9 394/95.6 8.621 0.003
The side-effects of vaccination are usually not serious 986/86.8 386/93.6 13.582 <0.001
Postponed vaccination increase the susceptible period of children 913/80.4 358/86.8 8.319 0.004
Vaccination was costly 1027/90.4 405/98.4 26.066 <0.001
Only fully immunized for a specific antigen could be protectable 993/87.4 379/91.9 5.843 0.016