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Table 6 Knowledge level of vaccinators on immunization before and after a two days refreshing training

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

Questions Correct response rate (n/%) χ 2 P
Before interventions (N = 107) After interventions (N = 107)
The recommended age of the first dose of MCV was 8th months 93/86.9 102/95.3 125.789 <0.001
The interval time between the 3rd dose of DPT and the 4th dose DPT is 6 months 68/63.6 104/97.2 45.712 <0.001
The minimum interval of two live parenteral vaccines is 28 days or four weeks 84/78.5 105/98.1 90.770 <0.001
Live attenuated vaccines and inactive vaccines can be administered simultaneously at the same visit 59/55.1 104/97.2 32.969 <0.001
The minimum interval between the two doses of Men-A is 3 months 78/72.9 106/99.1 72.083 <0.001
The majority of AEFI are mild and self-limited 64/59.8 103/96.3 37.957 <0.001
Adverse reactions following live vaccines usually occur 7–21 days after the vaccine was given 35/32.7 98/91.6 29.094 <0.001
All the AEFIs need to report to the online National AEFI Surveillance System 82/76.6 106/99.1 84.857 <0.001
The risk of AEFI could be minimized by rigorous screening 90/84.1 107/100.0 117.520 <0.001
One of the first aid procedures of an acute anaphylactic shock is Injection of norepinephrine or epinephrine 85/79.4 104/97.2 93.335 <0.001