Abstract
BACKGROUND: Asthma is a chronic airway disease that is based on an inflammatory process and a serious health problem around the world. Asthma is often associated with treatment management factor. Adherence is the patient's compliance towards their doctor's advice, which is accompanied by their understanding and follows the doctors' advice consistently. AIM: This study aimed to get a valid and reliable adherence measure in asthma patients especially in Medan. METHODS: This research used the method of quantitative done by the cross-sectional approach. The sample (200 adult asthma patients) used standard asthma medication, stable asthma patients and did not suffer from severe asthma or other accompanying diseases. Data were analysed using univariate, bivariate and multivariate analysis, which is SEM (Structural Equation Modeling) analysis. RESULTS: The best dimension of medication adherence was the dimension of beliefs in medication 64%. The highest education adherence is at college education level which is 67.6%. Employment status with highest adherence value is medication on civil servant/military/police with the value of 67.7. CONCLUSIONS: There is a correlation between adherence and asthma patient's quality of life in Medan.