A retrospective study on timeliness of vaccination among children aged 0 to 23 months in a rural area of Pondicherry


  • Padmavathi Subbiah Department of Community Medicine, IGMC&RI, Pondicherry, India
  • Anandaraj Rajagopal Department of Community Medicine, IGMC&RI, Pondicherry, India
  • Vijay Kantilal Chavada Department of Community Medicine, IGMC&RI, Pondicherry, India
  • Kavita P. Vasudevan Department of Community Medicine, IGMC&RI, Pondicherry, India http://orcid.org/0000-0001-7839-4984




Timeliness of vaccination, Pondicherry, Delayed vaccination, National immunization schedule


Background: Immunization is the cost-effective public health intervention that prevents and protects against vaccine preventable diseases. The objective was to estimate the timeliness in receiving age appropriate vaccines and to study selected factors influencing the timeliness of age appropriate vaccines as per national immunization schedule among children aged 0 to 23 months in a rural area of Pondicherry.

Methods: A retrospective study was done at a Community Health Centre, Karikalampakkam, Pondicherry using data from immunization registers of children aged 0 to 23 months, who were born between July 01, 2013 to July 31, 2015. If the child was vaccinated within 7 days of the scheduled time, it was considered as timely vaccination.

Results: Out of 679 children, 52% were males and 48% were females. The median days of delay in vaccination were ranged from 1-171 days. The proportion and the median days of delay were increased progressively as the age of the child increased. The place of delivery was significantly associated with birth doses of OPV, Hepatitis B and BCG vaccination. There was a significant difference in timeliness of vaccination across the birth order of the children for the first, second and third doses of OPV and Pentavalent vaccines (p=0.02). Birth weight of the children was not statistically associated with vaccination delay.

Conclusions: Delay in vaccination in varying frequency was observed for the vaccines administered under the national immunisation schedule. Hence, the age-appropriate vaccinations should be given up-to-date as well as on time.


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How to Cite

Subbiah, P., Rajagopal, A., Chavada, V. K., & P. Vasudevan, K. (2019). A retrospective study on timeliness of vaccination among children aged 0 to 23 months in a rural area of Pondicherry. International Journal Of Community Medicine And Public Health, 6(5), 2127–2132. https://doi.org/10.18203/2394-6040.ijcmph20191831



Original Research Articles