Factors analysis related to the completeness of providing basic immunization in infant aged 12 months

Background: The highest number of children with incomplete immunizations in Indonesia is five provinces in Java. During 2015, diphtheria cases in Blitar District, East Java reached 44 cases. However, in 2016, there was an increase with the discovery of 49 infants affected by diphtheria and spread in several districts and obtained the number of 12-month-old infants who did not get complete immunizations of 47 infants. Aim: The purpose of this study analyzed the factors related to the completeness of basic immunization for 12-month-old infants. Method: This study was a quantitative study with cross sectional approach. The study was conducted on mothers who have 12-month-old infants by filling out the questionnaires about the relationship of independent variables, namely knowledge and attitudes of the mother, family support and health workers support as well as the dependent variable, namely the completeness of basic immunization. Total respondents were 46 people. Data were analyzed using the Chi Square test to determine the relationship between independent and dependent variables and logistic regression statistical tests to find out the dominant variables related to the completeness of basic immunization. Results: There was a relationship between maternal knowledge (p = 0,000), maternal attitudes (p = 0,000), family support (p = 0,000), and health workers support (p = 0,000) and the completion of basic immunization. The dominant factor related to the completeness of basic immunization was knowledge. Conclusion: Knowledge, attitude, family support, and health workers support have a significant relationship with the completion of basic immunization.