Item ¬†Yes No Don’t know Significance and P value
Routine vaccination prevent children from some infectious diseases and its complications 672(91.9%) 16(2.2%) 43(5.9%)  
First dose in vaccination given at birth 635(86.9%) 35(4.8%) 61(8.3%) Gender(P=0.017),
age(P=0.000),
residence(P=0.000), educational level (P=0.000),
Most diseases against which children are vaccinated occur during the first years of life 568(77.7%) 71(9.7%) 92(12.6%) Residence(P=0.048), educational level (P=0.017),
Multi-doses of the same vaccine given at intervals are important for child immunity 304(41.6%) 254(34.7%) 173(23.7%) Gender(P=0.019), educational level (P=0.004),
More than one vaccine at the same time have no negative impacts on child immunity 271(37.1%) 269(36.8%) 191(26.1%) Gender(P=0.024),
Is it important to vaccinate children during immunization campaigns 540(73.9%) 128(17.5%) 63(8.6%)  
It is recommended to vaccinate children  against seasonal influenza 334(45.7%) 183(25%) 214(29.3%) Age (P=0.016),
residence(P=0.005), educational level (P=0.011),
Immunization can cause autism 61(8.3%) 512(70%) 158(21.6%) Age (P=0.009), residence (P=0.001), educational level (P=0.013).
Common colds, ear infection, and diarrhea are not contraindications for vaccination 280(38.3%) 287(39.3%) 164(22.4%) Gender (P=0.000),
Table 2: Knowledge on childhood immunization correlated to parents’ demographics.