TABLE 2—
Odds Ratios of Cost-Related Nonadherence (CRN): United States Adults, 2015
| Population Attributes | Estimated Total No.a | Estimated CRN No.a | CRN Rate, % | Adjusted OR (95% CI) |
| Total population aged ≥ 18 y | 239.7 | 23.4 | 9.8 | |
| Age, y | ||||
| 18–25 | 34.4 | 2.2 | 6.4 | 2.1 (1.6, 2.8) |
| 26–64 | 161.6 | 16.8 | 10.4 | 2.9 (2.3, 3.6) |
| ≥ 65 (Ref) | 46.5 | 2.9 | 6.2 | 1.0 |
| Gender | ||||
| Female | 125.6 | 14.0 | 11.1 | 1.8 (1.6, 2.1) |
| Male (Ref) | 116.9 | 8.0 | 6.8 | 1.0 |
| Ethnicity | ||||
| Hispanic or Latino | 37.8 | 3.9 | 10.2 | 1.0 (0.9, 1.2) |
| Non-Hispanic (Ref) | 204.7 | 18.1 | 8.8 | 1.0 |
| Race | ||||
| Black or African American | 29.8 | 3.9 | 13.1 | 1.3 (1.1, 1.5) |
| Non-Black (Ref) | 212.7 | 18.1 | 8.5 | 1.0 |
| US Region | ||||
| Midwest | 54.4 | 5.1 | 9.3 | 1.4 (1.2, 1.7) |
| South | 90.0 | 9.7 | 10.7 | 1.4 (1.0, 1.7) |
| West | 55.8 | 4.3 | 7.8 | 1.2 (1.0, 1.4) |
| Northeast (Ref) | 42.3 | 2.9 | 6.9 | 1.0 |
| Health insurance | ||||
| None | 25.1 | 5.1 | 20.3 | 3.9 (3.3, 4.5) |
| Medicare | 51.1 | 4.7 | 9.2 | 1.6 (1.2, 2.0) |
| Medicaid only | 22.5 | 3.0 | 13.3 | 1.4 (1.2, 1.7) |
| Other government or public coverage | 8.1 | 0.6 | 7.4 | 0.9 (0.7, 1.3) |
| Private insurance only (Ref) | 129.2 | 7.9 | 6.1 | 1.0 |
| Health status | ||||
| Fair or poor | 31.3 | 7.3 | 23.3 | 2.7 (2.4, 3.1) |
| Good, very good, or excellent (Ref) | 211.2 | 14.6 | 6.9 | 1.0 |
| Activity limitation owing to disability | ||||
| Yes | 38.7 | 7.5 | 19.4 | 2.3 (1.9, 2.7) |
| No (Ref) | 203.8 | 14.5 | 7.1 | 1.0 |
Note. CI = confidence interval; OR = odds ratio.
Source. 2015 Sample Adult and Core National Health Interview Survey (2016).
a
Numbers in millions.