Characteristics of Survey Participants
| Characteristic | Participants, No. | Participants With Reported Underuse, No. (%) | Odds Ratio (95% CI) |
|---|---|---|---|
| Age, y | |||
| 45-64 | 27 | 14 (52) | 1 (reference) |
| ≥65 | 63 | 26 (41) | 1.5 (0.6-3.8) |
| Sex | |||
| Male | 53 | 25 (47) | 1 (reference) |
| Female | 37 | 15 (41) | 1.3 (0.6-3.1) |
| Rx Coverage | |||
| Commercial | 14 | 5 (36) | 1 (reference) |
| Medicare part D or Medicaid | 55 | 27 (49) | 0.4 (0.2-2.0) |
| Tricare or Veterans Administration | 5 | 1 (20) | 0.5 (0.1-2.1) |
| Other | 11 | 7 (64) | 0.2 (0.01-2.3) |
| Annual income, $ | |||
| >50,000 | 29 | 9 (31) | 1 (reference) |
| 25,000 – 49,999 | 28 | 15 (54) | 0.9 (0.3-2.8) |
| <25,000 | 28 | 16 (57) | 0.4 (0.1-1.2) |
| Difficult purchasing supplies | |||
| No | 66 | 21 (32) | 1 (reference) |
| Yes | 22 | 18 (82) | 9.4 (2.6-34.1) |
| Discussed insulin cost with prescriber | |||
| No | 29 | 7 (24) | 1 (reference) |
| Yes | 61 | 33 (54) | 1.4 (0.4-5.0) |
| Prescriber changed insulin due to cost | |||
| No | 50 | 14 (28) | 1 (reference) |
| Yes | 39 | 26 (67) | 4.8 (1.6-15.0) |