| tr001 | How likely is it that you could find someone to take you to a two-hour infusion appointment every month for one year?
| How likely find someone to take to two-hour infusion appointment every month for one year |
| tr002 | How likely is it that you could find someone to take you to a two-hour infusion appointment every two weeks for five years?
| How likely find someone to take to two-hour infusion appointment every two weeks for five years |
| tr_begintime | | begintime travel questions |
| tr_endtime | | endtime travel questions |
| tr_time | | time spent travel questions |
| uas707_endtime | | uas707 endtime |