TABLE 4.
Descriptive Statistics of Patients Included in the Linear and Logistic Regression Models
| Linear Regression Model | Logistic Regression Model | |||||||
|---|---|---|---|---|---|---|---|---|
| Total (N = 131) (%) | Adherent PDC > 0.8 (N = 25) (%) | Nonadherent PDC < 0.8 (N = 106) (%) | P Value | Total (N = 157) (%) | Discontinued Yes (N = 26) (%) | Discontinued No (N = 131) (%) | P Value | |
| Intervention | < 0.001a | 0.141 | ||||||
| Yes | 66 (50.38) | 24 (36.36) | 42 (63.64) | 75 (47.77) | 9 (12.00) | 66 (88.00) | ||
| No | 65 (49.62) | 1 (1.54) | 64 (98.46) | 82 (52.23) | 17 (20.73) | 65 (79.27) | ||
| Age (±SD) | 71.42 (±9.46) | 70.63 (±8.30) | 71.59 (±9.74) | 0.669 | 71.53 (±8.97) | 72.13 (±5.92) | 71.42 (±9.46) | 0.640 |
| Sex | 0.436 | 0.798 | ||||||
| Female | 72 (54.96) | 12 (16.67) | 60 (83.33) | 87 (55.41) | 15 (17.24) | 72 (82.76) | ||
| Male | 59 (45.04) | 13 (22.03) | 46 (77.97) | 70 (44.59) | 11 (15.71) | 59 (84.29) | ||
| Specialty group | ||||||||
| Special | 53 (41.73) | 12 (22.64) | 41 (77.36) | 0.361 | 53 (41.73) | 9 (14.52) | 53 (85.48) | 0.699 |
| Primary | 74 (58.27) | 12 (16.22) | 62 (83.78) | 74 (58.27) | 15 (16.85) | 74 (83.15) | ||
| Language | ||||||||
| English | 110 (83.97) | 20 (18.18) | 90 (81.82) | 0.547 | 134 (85.35) | 24 (17.91) | 110 (82.09) | 0.272 |
| Spanish | 21 (16.03) | 5 (23.81) | 16 (76.19) | 23 (14.65) | 2 (8.70) | 21 (91.30) | ||
| CCI (±SD) | 0.41 (±1.21) | 0.52 (±1.15) | 0.39 (±1.23) | 0.648 | 0.59 (±1.55) | 1.46 (±2.53) | 0.41 (±1.21) | 0.050 |
| CMS risk score (±SD) | 1.31 (±0.93) | 1.57 (±0.96) | 1.25 (±0.92) | 0.126 | 1.38 (±0.96) | 1.72 (±1.06) | 1.31 (±0.93) | 0.051 |
| Health plan | ||||||||
| Low-income subsidy | 71 (54.62) | 16 (22.54) | 55 (77.46) | 0.294 | 86 (55.84) | 15 (17.44) | 71 (82.56) | 0.474 |
| Other | 59 (45.38) | 9 (15.25) | 50 (84.75) | 68 (44.16) | 9 (13.24) | 59 (86.76) | ||
| Number of distinct medications (±SD) | 12.76 (±7.49) | 13.24 (±6.64) | 12.65 (±7.70) | 0.725 | 13.00 (±7.60) | 14.19 (±8.17) | 12.76 (±7.49) | 0.383 |
| Baseline PDC mean (±SD) | 0.67 (±0.15) | 0.64 (±0.14) | 0.68 (±0.15) | 0.167 | — | — | — | — |
Note: The frequency does not always sum up to total due to missing value in some variables.
aIndicates significant finding.
CCI = Charlson Comorbidity Index; CMS = Centers for Medicare & Medicaid Services; PDC = proportion of days covered; SD = standard deviation.