Table 2.
Predictors Associated with Identifying the Cheapest Drug Plan and the Level of Confidence Associated with This Answer
| Correctly Identified Plan the Minimized Total Annual Cost |
Very Confident That the Correct Plan Was Identified to Minimize Total Annual Cost (Versus Confident or Less Than Confident) |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model 1 |
Model 2 |
Model 3 |
Model 4 |
|||||||||
| OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | |||||
| 10 plans† | 0.69 | 0.33 | 1.47 | 0.75 | 0.34 | 1.66 | 1.42 | 0.67 | 2.99 | 1.49 | 0.62 | 3.56 |
| 20 plans† | 0.57 | 0.27 | 1.19 | 0.55 | 0.25 | 1.23 | 1.74 | 0.84 | 3.64 | 1.60 | 0.66 | 3.84 |
| Age (1=65+)‡ | 0.41*** | 0.22 | 0.75 | 0.74 | 0.35 | 1.57 | 1.93** | 1.06 | 3.54 | 3.18*** | 1.33 | 7.58 |
| Female | — | — | — | 0.44** | 0.22 | 0.88 | — | — | — | 0.21*** | 0.10 | 0.46 |
| Married | — | — | — | 0.56* | 0.29 | 1.10 | — | — | — | 1.77 | 0.86 | 3.61 |
| Asian/PI§ | — | — | — | 2.13 | 0.71 | 6.37 | — | — | — | 0.65 | 0.20 | 2.14 |
| Other§ | — | — | — | 0.86 | 0.33 | 2.23 | — | — | — | 0.57 | 0.19 | 1.65 |
| College graduate¶ | — | — | — | 2.05 | 0.81 | 5.20 | — | — | — | 3.87* | 1.39 | 10.79 |
| More than college¶ | — | — | — | 1.71 | 0.72 | 4.09 | — | — | — | 1.04 | 0.40 | 2.73 |
| Physical health score | — | — | — | 1.02 | 0.98 | 1.06 | — | — | — | 1.03 | 0.99 | 1.08 |
| Mental health score | — | — | — | 0.99 | 0.95 | 1.03 | — | — | — | 1.04* | 0.99 | 1.09 |
*
p<.10.
**
p<.05.
***
p<.01.
Omitted reference categories:
†
3 plans.
‡
Younger adults 18–64.
§
Non-Hispanic Whites.
¶
Less than College.
Analytic sample: N=180.