| Value |
Category |
| 1 |
Less than 0.5 |
| 2 |
0.5-1 |
| 3 |
More than 1 to 1.5 |
| 4 |
More than 1.5 to 2.5 |
| 5 |
More than 2.5 |
| 6 |
No chlorine |
| 7 |
Not Test |
| 9 |
Missing |
| 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.