Supplemental file 2. Sociodemographic variables associated with medication use for secondary prevention of coronary heart disease, assessed using logistic regression.
| Medication use* | ||||
|---|---|---|---|---|
| Crude | Adjusted** | |||
| OR | 95% CI | OR | 95% CI | |
| Income | ||||
| ≤ USD 1,245 | Reference | Reference | ||
| USD 1,246 to 3,319 | 1.154 | 0.654 to 2.035 | 1.170 | 0.628 to 2.180 |
| ≥ USD 3,320 | 2.956 | 1.758 to 4.970 | 2.537 | 1.082 to 5.948 |
| Sex | ||||
| Male | Reference | Reference | ||
| Female | 0.393 | 0.248 to 0.623 | 0.520 | 0.316 to 0.858 |
| Education | ||||
| Less than high school | Reference | Reference | ||
| High school or some college/university | 0.939 | 0.527 to 1.676 | 0.858 | 0.443 to 1.661 |
| Completed college/university or more | 1.871 | 1.133 to 3.091 | 0.724 | 0.338 to 1.549 |
| Race | ||||
| White | Reference | Reference | ||
| Mixed | 0.592 | 0.355 to 0.989 | 0.960 | 0.533 to 1.729 |
| Black | 0.391 | 0.208 to 0.738 | 0.652 | 0.324 to 1.313 |
| Asian | 0.705 | 0.172 to 2.893 | 0.759 | 0.173 to 3.330 |
| Indigenous | 0.201 | 0.024 to 1.665 | 0.225 | 0.026 to 1.957 |
| Age | 1.023 | 0.997 to 1.050 | 1.004 | 0.974 to 1.034 |
| Private health insurance | ||||
| No | Reference | Reference | ||
| Yes | 1.455 | 0.930 to 2.274 | 1.150 | 0.680 to 1.947 |
*Use of antiplatelet medication (acetylsalicylic acid or other) + beta blocker + lipid-lowering medication (statin or fibrate), with or without angiotensin-converting enzyme inhibitors or angiotensin-receptor blocker. **Adjusted for income, sex, education, race, age and private health insurance.
OR = odds ratio; CI = confidence interval; USD = United States dollars.