Validation of the quantitative and qualitative instruments to determine the sociodemographic factors that affect the accessibility to the immunization service in children under 24 months

Immunization is one of the most successful and cost-effective health interventions; because of it, two and three million deaths can be prevented each year in the world. It continues to be considered an effective intervention that saves lives and avoid suffering; it benefits children because it improves health and life expectancy because of its social and economic impact on a global scale. Objective: To validate the quantitative and qualitative instruments in order to determine the sociodemographic factors that affect accessibility to the immunization service in children under 24 months. Methodology: The present study is a cross-sectional (quantitative - qualitative) mixed approach, exploratory, descriptive and field, with a phenomenological qualitative approach designed by three categories and coded according to the number of participants. The population as a sample of the research is 100 people, of which a pilot study of 15 people was carried out for the survey and one person for the in-depth interview. Results: When applying the criterion of expert judgments, getting the following results: in the quantitative instrument obtained an average of 96 and in the qualitative instrument achieving an average of 95, both results equivalent to very reliable. Conclusion: The pilot plan suggests that the instruments have good properties to determine the sociodemographic factors that affect the accessibility of the immunization service(AU)