Screening Item | Scale* | Sensitivity (%) | Specificity (%) |
How often do you have problems learning about your medical condition because of difficulty understanding written information? | Always | 100 | 0 |
Often | 50.0 | 62.8 | |
Sometimes | 28.1 | 90.3 | |
Occasionally | 8.3 | 99.3 | |
Never | 2.1 | 100 | |
How often do you have someone help you read hospital materials? | Always | 100 | 0 |
Often | 46.9 | 82.1 | |
Sometimes | 31.3 | 95.2 | |
Occasionally | 15.6 | 99.3 | |
Never | 4.2 | 99.3 | |
How confident are you filling out medical forms by yourself? | Extremely | 100 | 0 |
Quite a bit | 56.3 | 66.9 | |
Somewhat | 33.3 | 96.6 | |
A little bit | 11.5 | 100 | |
Not at all | 4.2 | 100 | |
In general, how easy or hard do you find it to understand medical statistics? | Very easy | 100 | 0 |
Easy | 88.4 | 25.5 | |
Hard | 31.6 | 85.5 | |
Very hard | 6.3 | 99.3 | |
How much do you agree or disagree with the following statement? In general, I depend on numbers and statistics to help me make decisions about my health. | Strongly agree | 100 | 0 |
Somewhat agree | 78.1 | 13.8 | |
Somewhat disagree | 33.3 | 64.1 | |
Strongly disagree | 10.4 | 86.2 |
↵* Relative comparisons of underlying degree or frequency; categories do not necessarily correspond to the actual numeric coding (i.e., the ascending or descending ordering of each Likert scale) of the item responses.