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Table 3 Sample sizes and medians and interquartiles ranges of iodine concentration in household salt collected from urban and rural areas

From: Assessment of iodine concentration in dietary salt at household level in Morocco

Origin of salt sample

Sample size

Median (IQR) iodine concentration, in mg/kg

P value

Urban

134 (75 %)

2.9 (2.4–3.7)

0.148

Rural

44 (25 %)

2.6 (1.9–3.4)

All areas

178 (100 %)

2.9 (2.4–3.7)