Table 1.
Reliablity and Validity of English and Spanish Candidate Scenarios and Total Test
| Scenario | Number of Items | Reliability:Cronbach α | Validity*: Pearson r | |
| English | ||||
| 1. | Prescription for headache medication | 3 | 0.23 | 0.43 |
| 2. | Consent form for angiography | 4 | 0.40 | 0.51 |
| 3. | Self-care instructions for heart failure | 5 | 0.38 | 0.20 |
| 4. | Nutrition label from ice cream† | 6 | 0.76 | 0.59 |
| 5. | Instructions for tapering prednisone | 3 | 0.66 | 0.35 |
| Total | 21 | 0.78 | 0.64 | |
| Spanish | ||||
| 1. | Prescription for headache medication | 3 | 0.37 | 0.38 |
| 2. | Consent form for angiography | 4 | 0.37 | 0.55 |
| 3. | Self-care instructions for heart failure | 5 | 0.33 | −0.01 |
| 4. | Nutrition label from ice cream† | 6 | 0.69 | 0.49 |
| 5. | Instructions for tapering prednisone | 3 | 0.39 | 0.37 |
| Total | 21 | 0.69 | 0.59 | |
* Correlation of scenario score and score on criterion (ie, Test of Functional Health Literacy in Adults, Spanish Version).
† This scenario (nutrition label) was selected as the single best scenario, and is the content of the Newest Vital Sign – Spanish.