Table 2.
Characteristics of subjects in both usability testing sessions
| Subject ID | Education | Race/Ethnicitya | Health Literacy (TOFHLA Score) |
Computer Experience | |
| Cognitive walk-through testing | |||||
| CW-1 | College, some | Black | 98 | Moderate | |
| CW-2 | College graduate | Mixed | 94 | Moderate | |
| CW-3 | High school, some | Black | 81 | Low | |
| CW-4 | Post-college degree | White | 100 | High | |
| CW-5 | College, some | Black | 100 | High | |
| CW-6 | High school graduate | Mixed | 98 | Moderate | |
| CW-7 | College, some | Black | 100 | High | |
| CW-8 | High school graduate | White | 100 | High | |
| CW-9 | High school graduate | White | 98 | High | |
| CW-10 | High school graduate | Mixed | 79 | Low | |
| Performance testing | |||||
| PT-1 | High school graduate | White | 98 | Moderate | |
| PT-2 | College graduate | White | 100 | High | |
| PT-3 | Graduate school degree | White | 98 | Moderate | |
| PT-4 | College graduate | Black | 98 | High | |
| PT-5 | College, some | White | 96 | High | |
| PT-6 | Grade school, some | Black | 80 | Low | |
| PT-7 | College, some | Mixed | 98 | High | |
a Subjects’ race/ethnicity was determined by self-report concordant with NIH policy NOT-OD-01-053.
b This assessment is a combination of subjects’ reports of past experience and observations made by examiners during usability testing.