<![CDATA[Clean and Healthy Living Behavior (Perilaku Hidup Bersih dan Sehat/PHBS) remains a persistent public health challenge in Indonesian rural communities, where preventable infections such as diarrhea and acute respiratory infection continue to affect school-age children due to low hygiene knowledge and inconsistent practice. Conventional PHBS training relying solely on lectures or a single physical medium tends to produce only short-term knowledge gains without sustained behavioral change. This community service activity introduces a novel “phygital” (physical-digital) health education model that integrates a traditional snake-and-ladder board game with QR-code-linked micro-videos, a peer-led “Little PHBS Ambassador” program, and a two-week WhatsApp-based parental reinforcement scheme. The program targeted fourth- and fifth-grade students at an elementary school in Ciamis Regency, West Java Province. A one-group pretest-posttest design was employed, measuring knowledge, attitude, and practice (KAP) before the intervention, immediately after, and at a two-week follow-up. Data were analyzed using the Wilcoxon signed-rank test at a 0.05 significance level. The results indicated a statistically significant improvement in students’ knowledge, attitude, and hygiene-related practice scores from pretest to posttest, and the gains were largely retained at the two-week follow-up, suggesting that the combination of game-based learning, peer reinforcement, and digital follow-up supports longer-term behavior maintenance compared with single-modality approaches reported in prior studies. This model offers a low-cost, scalable, and culturally familiar strategy that schools, Community Health Centers (Puskesmas), and local governments can adopt to strengthen school-based health promotion and contribute to national efforts in reducing childhood morbidity linked to poor hygiene.]]>
