Novrina Situmorang (2026) “PREDICTION MODEL FOR DELAYED FOLLOW-UP VISITS AMONG GERIATRIC PATIENTS AFTER HOSPITAL DISCHARGE BASED ON DIGITAL HEALTH LITERACY, FAMILY SUPPORT, AND MEDICATION REGIMEN COMPLEXITY AT A HOSPITAL IN MEDAN CITY”, JTH: Journal of Technology and Health, 4(1), p. 943 ~ 954. doi: 10.61677/jth.v4i1.262.