Odds ratios (95% confidence interval) for the association of gender and age groups and difficulty in healthcare access and cost-related medication non-adherence (reference group is men <45 years)
*Model is adjusted for race/ethnicity, income, education, comorbidities (hypertension, hyperlipidemia, diabetes mellitus, current cigarette smoking, chronic obstructive pulmonary disease, asthma, arthritis, and cancer)