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

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

Questions	Correct response rate (n/%)		χ ²	P
Questions	Before interventions (N = 107)	After interventions (N = 107)	χ ²	P
The recommended age of the first dose of MCV was 8^th months	93/86.9	102/95.3	125.789	<0.001
The interval time between the 3rd dose of DPT and the 4^th 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

ISSN: 1471-2458