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Nepal Medical College journal : NMCJ

Insufficient level of iodine content in household powder salt in Nepal.


PMID 17899952

Abstract

Universal salt iodization (USI) is long term strategy for the control of iodine deficiency disorder (IDD) in Nepal. Standardized periodic testing of the iodine content in salt is a critical part of a salt iodisation programme. To achieve programmatic objective, this study was carried out to estimate the iodine content of household salt in Kavre, Lalitpur and Parsa districts of Nepal. Iodometric titration of 1803 salt samples collected from the households through the students of different schools revealed that 289 (16.0%) had less than 15 ppm iodine. Two hundred forty-one powder salt samples without two children logo (14.3% among total powder salt samples) had iodine below 15 ppm. It includes 25.8% of total salt samples from Parsa district of Terai ecological region. Among total, the largest proportion of the population accounting for almost 93.0% used powder salt. In total 1803 salt samples, mean and median iodine concentration were 31.8 ppm (95.0% CI=31.0-32.6) and 29.5 ppm respectively. The mean and median iodine concentration of phoda (dhike) salt were 22.1 ppm (95.0% CI= 19.2-25.1) and 18.9 ppm; powder salt were 32.6 ppm (95.0% CI= 31.7- 33.4) and 30.6 ppm respectively. In the community level, people are still using the non-iodized salt. To eliminate the IDD more efforts are required at program implementation and monitoring level.