| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 ppm (no iodine) | 123 |
1.7%
|
| 7 | Below 15 ppm | 61 |
0.9%
|
| 15 | 15 ppm and above | 197 |
2.8%
|
| 30 | 30 ppm | 6392 |
90.4%
|
| 994 | Salt not tested | 35 |
0.5%
|
| 995 | No salt in household | 266 |
3.8%
|
| 999 | Missing | 151 | |
| Sysmiss | 639 |