Table 4. Association Between Health Insurance Literacy and Preventive and Nonpreventive Service Use.
| Use of Health Care Services | Health Insurance Literacy Measurea | |||
|---|---|---|---|---|
| Unadjusted OR (95% CI) | P Value | Adjusted OR (95% CI)b | P Value | |
| Preventive services | ||||
| Use of either preventive service below | 1.57 (1.31-1.88) | <.001 | 1.57 (1.28-1.92) | <.001 |
| Cholesterol level check | 1.69 (1.41-2.04) | <.001 | 1.69 (1.38-2.07) | <.001 |
| Influenza vaccination | 1.20 (0.98-1.46) | .07 | 1.19 (0.96-1.48) | .11 |
| Nonpreventive services | ||||
| Use of either nonpreventive service below | 1.11 (0.87-1.42) | .41 | 1.23 (0.93-1.63) | .14 |
| ED visit | 1.08 (0.84–1.40) | .55 | 1.22 (0.91-1.63) | .18 |
| Hospital admission | 1.39 (0.87-2.22) | .17 | 1.50 (0.91-2.46) | .11 |
Abbreviations: ED, emergency department; OR, odds ratio.
a
Odds ratios represent the change in odds with each 12-point increase in Health Insurance Literacy Measure, with higher scores indicating greater health insurance literacy.
b
Adjusted for age, sex, race/ethnicity, income, educational level, having a high-deductible health plan, health literacy, numeracy, and presence of chronic conditions.