Goiter Prevalence, Urinary Iodine, and Salt Iodization Level in Sub-Himalayan Darjeeling District of West Bengal, India.
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Date
2014-04
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Abstract
National iodine deficiency disorders control program needs to be continuously monitored. Hence, a cross-sectional
study was conducted during the period from April-May 2011 to assess the prevalence of goiter, status of urinary
iodine excretion (UIE) level and to estimate iodine content of salts at the household level in Darjeeling district,
West Bengal. Study subjects were 2400 school children, aged 8-10 years selected through “30 cluster” sampling
methodology. Goiter was assessed by standard palpation technique, UIE was estimated by wet digestion method
and salt samples were tested by spot iodine testing kit. Overall goiter prevalence rate was 8.7% (95% confidence
intervals = 7.6-9.8) and goiter prevalence was significantly different with respect to gender. Median UIE level was
15.6 mcg/dL (normal range: 10-20 mcg/dL). About 92.6% of the salt samples tested had adequate iodine content
of ≥15 ppm. Findings of the present study indicate that the district is in a transition phase from iodine-deficiency
to iodine sufficiency.
Description
Keywords
Goiter, Iodine deficiency, Iodized salt, Urinary iodine
Citation
Biswas Akhil Bandhu, Das Dilip Kumar, Chakraborty Indranil, Biswas Asit Kumar, Sharma Puran Kumar, Biswas Romy. Goiter Prevalence, Urinary Iodine, and Salt Iodization Level in Sub-Himalayan Darjeeling District of West Bengal, India. Indian Journal of Public Health. 2014 Apr-June; 58(2): 129-133.