Factors associating vaccination delay among Jordanian children under two years of age.

Abstract Purpose This study examines the association between selected socio-demographic factors (gender, birth order, parents' educational levels, and parents' employment status) and reasons for vaccination delay among Jordanian children under two years of age. Design & methods A cross-sectional, prospective study was conducted in the three comprehensive public health centres in Amman Governorate in Jordan from January–June, 2019. The electronic vaccination record was designed to collect socio- demographic information and reasons for vaccination delay in children. This data was collected from the medical records of those children. Results The findings revealed that 150 (8.3%) children under two years of age were registered as vaccination-delayed cases. The factors associated with vaccination delay were age (Chi-square test [χ2] [6150] = 15.02, p-value [p]  Conclusion Timeliness of vaccination should be promoted to prevent illness outbreaks and provide specific protection for children, taking into consideration the significance of age and birth order. Practice implications Interventions and strategies need to implementation to reduce vaccination delay and improve timeliness.