| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not iodized 0 ppm (no colour) | 577 |
2%
|
| 2 | Less than 15 ppm (weak colour) | 4370 |
15%
|
| 3 | 15 ppm or more (strong colour) | 22316 |
76.7%
|
| 6 | No salt in home | 1508 |
5.2%
|
| 7 | Salt not tested | 230 |
0.8%
|
| 9 | Missing | 76 |
0.3%
|
| Sysmiss | 272 |