Table 4. Prevalence ratios (95% confidence intervals) for preferences of anticoagulants ( n = 519): 2016 .
| Age | Sex | Race | Initial treatment | Current treatment | ||
|---|---|---|---|---|---|---|
| Per 10 y | Male vs. female | Non-white vs. white | DOAC vs. warfarin | DOAC vs. warfarin | No OAC vs. warfarin | |
| I am comfortable using a blood thinner where the levels cannot be followed (strongly disagreed vs. all other options) | ||||||
| Model 1 | 1.19 (1.08, 1.31) | 0.55 (0.35, 0.85) | 1.06 (0.67, 1.70) | |||
| Model 2 | 1.13 (1.02, 1.24) | 0.57 (0.37, 0.88) | 1.02 (0.65, 1.60) | 0.35 (0.23, 0.53) | ||
| Model 3 | 1.11 (1.01, 1.22) | 0.64 (0.43, 0.95) | 0.92 (0.60, 1.40) | 0.17 (0.10, 0.27) | 0.45 (0.31, 0.65) | |
| Regular blood tests make less likely to use that blood thinner (strongly agreed vs. all other options) | ||||||
| Model 1 | 0.97 (0.84, 1.13) | 1.28 (0.80, 2.06) | 1.08 (0.56, 2.07) | |||
| Model 2 | 1.04 (0.90, 1.19) | 1.19 (0.76, 1.85) | 1.11 (0.59, 2.06) | 2.86 (1.96, 4.19) | ||
| Model 3 | 1.05 (0.91, 1.21) | 1.04 (0.67, 1.62) | 1.10 (0.60, 2.01) | 6.59 (3.58, 12.16) | 3.06 (1.47, 6.36) | |
| It is difficult for me to change my diet so I can take a particular medication (strongly agreed vs. all other options) | ||||||
| Model 1 | 0.89 (0.75, 1.04) | 0.78 (0.42, 1.43) | 1.26 (0.68, 2.32) | |||
| Model 2 | 0.91 (0.78, 1.07) | 0.76 (0.41, 1.38) | 1.27 (0.70, 2.33) | 1.60 (1.09, 2.35) | ||
| Model 3 | 0.93 (0.80, 1.09) | 0.74 (0.40, 1.35) | 1.28 (0.71, 2.31) | 2.88 (1.70, 4.87) | 3.07 (1.74, 5.42) | |
| I prefer a blood thinner that is reversible (strongly agreed vs. all other options) | ||||||
| Model 1 | 1.03 (0.96, 1.09) | 1.01 (0.81, 1.25) | 0.85 (0.61, 1.20) | |||
| Model 2 | 1.01 (0.94, 1.08) | 1.00 (0.80, 1.25) | 0.85 (0.60, 1.18) | 0.78 (0.65, 0.95) | ||
| Model 3 | 1.01 (0.94, 1.08) | 1.01 (0.82, 1.25) | 0.84 (0.61, 1.17) | 0.66 (0.54, 0.80) | 0.79 (0.63, 0.98) | |
| I am comfortable using the newest drug vs. an older but more established drug (strongly agreed vs. all other options) | ||||||
| Model 1 | 1.01 (0.86, 1.19) | 1.31 (0.76, 2.24) | 1.03 (0.47, 2.22) | |||
| Model 2 | 1.11 (0.95, 1.30) | 1.24 (0.76, 2.04) | 1.04 (0.49, 2.17) | 3.80 (2.43, 5.96) | ||
| Model 3 | 1.11 (0.95, 1.31) | 1.05 (0.63, 1.74) | 1.17 (0.57, 2.41) | 6.94 (3.51, 13.70) | 2.38 (1.00, 5.68) | |
Abbreviations: DOAC, direct oral anticoagulant; OAC, oral anticoagulant.
Note: Model 1: age (continuous per 10-year increments); sex (referent = female); race (referent = Caucasian).
Model 2: model 1 + initial treatment (referent = warfarin).
Model 3: model 1 + current treatment (referent = warfarin).