Prevalence of and Factors Associated with Treatment Burden and Medication Adherence Among Primary Care Patients with Multimorbidity in Jeddah, Saudi Arabia: A Cross-Sectional Study.

Background: Multimorbidity, the coexistence of multiple chronic conditions, presents significant challenges in treatment management and medication adherence. This study investigates the burden of multimorbidity and factors influencing treatment adherence among primary care patients in Jeddah, Saudi Arabia.

Methods: A cross-sectional study was conducted from November to December 2023, including 422 participants selected via stratified random sampling from 12 primary healthcare centers in Jeddah.