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Table 2 Delayed immunizations based on the age and type of vaccine (N = 220)

From: Factors related to parents’ adherence to childhood immunization

Type of vaccine Frequency (n) Percentage (%)
At birth BCG
 No delay 220 100
2 Months (1st DTP + 1st IPV + 1st Hib + 1st hepatitis B + 1st PCV + 1st Rota)
 No delay 210 95.5
 One month delay 3 1.4
 Two months delay 2 0.9
 Three months delay 1 0.5
 Four months and more delay 4 1.8
4 Months (2nd DTP + 2nd IPV + 2nd Hib + 2nd hepatitis B + 2nd PCV + 2nd Rota)
 No delay 190 86.4
 One month delay 19 8.6
 Two months delay 7 3.2
 Three months delay 1 0.5
 Four months and more delay 3 1.4
6 Months (3rd DTP + 1st OPV + 3rd IPV + 3rd Hib + 3rd hepatitis B + 3rd PCV)
 No delay 183 83.2
 One month delay 24 10.9
 Two months delay 6 2.7
 Three months delay 1 0.5
 Four months and more delay 6 2.7
9 Months (Measles + MCV4)   
 No delay 189 85.9
 One month delay 18 8.2
 Two months delay 4 1.8
 Three months delay 7 3.2
 Four months and more delay 2 0.9
12 Months (1st MMR + 4th PCV + 2nd MCV4 + 2nd OPV)
 No delay 174 74.5
 One month delay 22 10
 Two months delay 14 6.4
 Three months delay 7 3.2
 Four months and more delay 13 5.9
18 Months (2nd MMR + 3rd OPV + 4th DTP + 1st + 4th Hib + hepatitis B + Hepatitis A + 1st Varicella)
 No delay 169 76.8
 One month delay 18 8.2
 Two months delay 16 7.3
 Three months delay 6 2.7
 Four months and more delay 11 5
24 Months (2nd Hepatitis A)
 No delay 170 77.3
 One month delay 10 4.5
 Two months delay 5 2.3
 Three months delay 7 3.2
 Four months and more delay 28 12.7
  1. BCG Bacille Calmette-Guerin, vaccine/ tuberculosis, OPV Oral Polio Vaccine, IPV Inactivated Polio Vaccine, DTP Diphtheria, Tetanus, Pertussis, Hib Haemophilus Influenzae type b, PCV Pneumococcal Vaccine, (Quadrivalent) MCV4 Meningococcal Conjugate Vaccine, MMR Measles, Mumps, Rubella