Objective: To determined the extent and sociodemographic factors associated with missed opportunities to NPI-scheduled childhood immunizations Methods: The exit interview method of the World Health Organization was used.
Results: Only 41.6% of the children were fully immunized. Missed opportunities for immunization occurred in 277 (55.4%) children and were responsible for 94.9% of the non-fully immunized children. The most common reason for missed opportunities in this study was the unavailability of vaccines (78.3%). Missed opportunities occurred more in the age group of 0-11 months (92.4%) compared to those aged 12-23 months (7.6%), P<0.05. The social class of the parents was statistically significant in predicting the likelihood of missed opportunities in this study (P< 0.05).
Conclusion: Missed opportunities to immunization (MO) remained high in EBSUTH, Abakaliki because immunization is conducted once a week in the preventive department only.MO is more common among children whose parents were in the lower social class.