Table 2 Caregiver [n (%)] vaccination knowledge during the baseline survey (N = 2107) and the final evaluation of (N = 2070) the C4D intervention activities

Application time for immunization certificate

1 221(57.98)

1 789(86.59)

<0.0001

Immunization check for kindergarten entry

1 535(72.89)

1 952(94.39)

<0.0001

Immunization check for primary school entry

1 536(72.93)

1 958(94.68)

<0.0001

Free vaccination for migrant children

918(43.59)

1 645(79.55)

<0.0001

Infectiousness of measles

1 290(61.25)

1 835(88.69)

<0.0001

Measles is a respiratory spread disease

539(25.59)

1 480(71.53)

<0.0001

Measles is characterized by fever and rash

1 438(68.28)

1 862(90.04)

<0.0001