Comparing the Quality of Iodine in Edible Salt in Iranian Households Living in the Southern Province of Khorasan-e-Razavi Using WHO Standards (Years 2010–2015)

Table 3

Average iodine values in salt samples compared to standard iodine values in table salt (ppm).

	Test value = 40
		df	value	Mean	95% CI
					Max	Min
Iodine	10.099	81	0.000	−15.302	−18.32	−12.29

CI: confidence interval; df: degrees of freedom.