| Value |
Category |
| 1 |
yes, by boiling |
| 2 |
yes, by filtering |
| 3 |
yes, by chemical treatment |
| 4 |
yes, using bottled water |
| 5 |
other |
| 6 |
no |
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.