Table 3. Multivariable Association of SDM Tool, Patient, Clinician, and Context Characteristics on Incidence of Cost Conversations.
| Multivariable analysis, OR (95% CI) | ||
|---|---|---|
| Intention to treat analysis | SDM tool used | |
| Use of SDM tool | ||
| Arm (intervention arm) | 9.69 (5.77-16.29) | NA |
| SDM tool (SDM tool used) | NA | 11.73 (6.86-20.08) |
| Patient characteristics | ||
| Age (per 10 y increase) | 1.02 (0.99-1.04) | 1.02 (0.99-1.04) |
| High stroke risk | 1.00 (0.51-1.95) | 1.05 (0.53-2.07) |
| Medication review cohort | 0.84 (0.46-1.50) | 0.83 (0.46-1.51) |
| Household income, $ | ||
| ≥100 000 | 1 [Reference] | 1 [Reference] |
| <40 000 | 1.36 (0.74-2.49) | 1.38 (0.75-2.56) |
| 40 000-99 000 | 1.86 (1.05-3.29) | 1.82 (1.02-3.24) |
| Total No. of medicines taken daily (per 1 unit increase) | 0.99 (0.94-1.05) | 0.99 (0.94-1.04) |
| Clinician characteristics | ||
| Women | 2.85 (1.21-6.71) | 2.73 (1.17-6.42) |
| Nonresident status | 4.01 (1.44-11.12) | 3.41 (1.21-9.61) |
| Non-MD or DO clinician | 1.05 (0.37-2.96) | 0.92 (0.33-2.58) |
| Medical specialty setting | ||
| Cardiology | 1 [Reference] | 1 [Reference] |
| Cardiac electrophysiology | 2.43 (0.85-7.00) | 1.98 (0.69-5.68) |
| Family medicine | 12.12 (2.75-53.38) | 8.70 (2.00-37.86) |
| Internal medicine | 3.82 (1.25-11.70) | 2.91 (0.95-8.88) |
| Other | 4.90 (1.32-18.16) | 3.98 (1.08-14.73) |
Abbreviations: OR, odds ratio; SDM, shared decision-making.