Video-based education on complete basic immunization improves parents' knowledge, attitudes, and practices regarding immunization

Complete basic immunization aims to establish an effective protection system and achieve herd immunity. Keyfactorsinfluencing immunization programs include parents’ knowledge, perceptions, and attitudes. One method to enhanceparentalunderstanding is through accessible educational media, such as videos. This study aims to assess the impact of video-basededucation on parents' knowledge, attitudes, and practices regarding complete basic immunization. A quasi-experimental one-grouppretest-posttest design was employed. Data collection was conducted in April 2024. The calculation of the minimumsamplesizeused a proportion formula, with a total of 361 participants, parents of children aged up to 1.5 years who lived in the workingareaof the Community Health Center in Yogyakarta City and met the inclusion criteria. Knowledge, attitudes, and practiceswereassessed before (day 1) and after (day 7) the intervention. The educational video was distributed via WhatsApp usingaYouTubelink. The study employed a validated and reliable instrument of the Knowledge, Attitude, and Practice (KAP) questionnaire. KAPcontent was reviewed and approved by health experts. The questionnaire comprised 10 sociodemographic questions, 7questionson knowledge, 6 questions on attitude, and 6 questions on practice. Data were analyzed using the Wilcoxon test. The proportionofrespondents with good knowledge increased from 80.1% to 97.2%, good attitudes from 83.1% to 97.0%, and good practicesfrom92.8% to 96.7%. Wilcoxon test results showed a significant improvement in knowledge and attitudes (p<0,05), whilepracticesshowed no statistically significant differences (p > 0.05). This study shows that video-based education supports immunizationprograms by increasing parental understanding and acceptance.