| Value |
Category |
| 1 |
Too busy/Do not have time |
| 2 |
Tired of research. |
| 3 |
Research not beneficial |
| 4 |
Not interested. |
| 96 |
Other |
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.