We found associations between medication adherence with age group of 45 - 59 (adjusted OR=0.45; 95% CI 0.23 - 0.89; p=0.022), overweight (adjusted OR=2.7; 95% CI 1.34 - 5.43; p=0.005), obesity (adjusted OR=2.24; 95% CI 1.12 - 4.48; p=0.022), and exposure to cigarette smoke (adjusted OR=2.45; 95% CI 1.29 - 4.63; p=0.006).