Table 2.
Effect of Health Literacy on Relationships between Patient Level Characteristics and Advanced Directives
| Characteristic | RR | 95% CI | p-value |
|---|---|---|---|
| Health Literacy | |||
| Low | 0.45 | 0.22, 0.95 | 0.04 |
| Marginal | 0.81 | 0.53, 1.23 | 0.32 |
| Adequate | --- | -- | |
| Age group | |||
| 55–60 | 0.69 | 0.47, 1.01 | 0.05 |
| 61–65 | 0.86 | 0.59, 1.25 | 0.43 |
| 66–70 | 1.04 | 0.71, 1.54 | 0.83 |
| 71–74 | --- | --- | |
| Sex | |||
| Female | 0.98 | 0.77, 1.25 | 0.86 |
| Male | --- | --- | |
| Race | |||
| African American | 0.64 | 0.47, 0.88 | 0.01 |
| Non-African American | --- | --- | |
| Education | |||
| High school or less | 0.68 | 0.44, 1.07 | 0.09 |
| Some college | 1.14 | 0.81, 1.60 | 0.46 |
| College graduate | 1.08 | 0.81, 1.45 | 0.59 |
| Graduate degree | --- | --- | |
| Income | |||
| < $10,000 | 0.62 | 0.35, 1.11 | 0.11 |
| $10,000 – $24,999 | 0.72 | 0.48, 1.09 | 0.12 |
| $25,000 – $49,999 | 0.89 | 0.62, 1.28 | 0.54 |
| > $50,000 | --- | --- | |
| Number of Chronic Conditions | |||
| 0–1 | --- | --- | |
| 2 | 1.01 | 0.78, 1.32 | 0.93 |
| 3 or more | 0.89 | 0.64, 1.23 | 0.49 |
RR = Risk Ratio
CI = Confidence Interval