Research Article

Salt Used for the National School Nutrition Program (NSNP) in Rural Schools of Limpopo Province, South Africa, has Adequate Levels of Iodine

Table 3

Distribution of salt by iodine concentration.

Iodine content categoriesMopani districtVhembe district
N%N%

<5 ppm (noniodised)1491811
5–14 ppm (inadequately iodised)1382516
15–64 ppm (adequately iodised)1137110465
65–79.9 ppm (more than adequately iodised)7464
≥80 ppm (excessively iodised)12864
Total159100159100