Table 7.

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

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