TABLE 2—
Unadjusted Rates of Cost-Related Medication Underuse, Measured With Different Approaches
| Treatment-Specific (%) | Any Medication (%) | ||||
| Medical Condition | % of Sample | Ever in the Previous Year | At Least Monthly | Ever in the Previous Year | At Least Monthly |
| All respondents | 100 | NA | NA | 18 | 14 |
| Hypertension | 70 | 9 | 7 | 16 | 12 |
| High cholesterol | 50 | 12 | 8 | 18 | 14 |
| Arthritis | 28 | 20 | 13 | 28 | 22 |
| Heartburn | 25 | 18 | 10 | 27 | 22 |
| Diabetes | 24 | 11 | 7 | 19 | 15 |
| Depression | 21 | 21 | 14 | 32 | 26 |
| Heart disease | 20 | 9 | 5 | 20 | 14 |
| Previous myocardial infarction | 15 | 9 | 7 | 17 | 14 |
| Back pain | 14 | 23 | 15 | 34 | 30 |
| Osteoporosis | 10 | 17 | 9 | 24 | 20 |
| Heart failure | 9 | 10 | 8 | 17 | 15 |
| Chronic obstructive pulmonary disease | 9 | 15 | 11 | 30 | 28 |
| Asthma | 8 | 20 | 12 | 32 | 29 |
| Migraines | 5 | 21 | 13 | 31 | 28 |
| Stomach ulcer | 5 | 21 | 11 | 36 | 29 |
| Stroke | 4 | 13 | 8 | 31 | 28 |
Note. NA = not applicable. Estimates were calculated using sampling weights without adjustment for sociodemographic or clinical covariates.