| Value |
Category |
| 1 |
Doctor/nurse |
| 2 |
Friend/relative |
| 3 |
Pamphlet/video |
| 4 |
Health institution |
| 5 |
Office of the major |
| 6 |
Other |
| 8 |
Don't remember |
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.