Iodine nutritional status and risk factors for goitre among schoolchildren in South Tajikistan

BMC Endocrine Disorders

Table 5 Comparison of iodine deficiency indicators between 2000 and 2013 in countries of Central Asia

Indicator		Age range in years	sample size n	Country	Year of survey	Source
Goitre (overall prevalence %)	70	all ages	NA (population-based survey)	Surkhandarya region, Uzbekistan	2002^a	[34]
	65	all ages	NA (population-based survey)	Kashkadarya region, Uzbekistan	2002^a	[34]
	20-28	9-10	4184	Kyrgyzstan (national)	2003^a	[35]
	70	9-10	NA	Djalal Abad region, Kyrgyzstan	2003^a	[35]
	12	8-11	400	Kabul, Afghanistan	2005	[21]
	47	7-11	589	Khatlon region, Tajikistan	2009	Present study
Urinary iodine concentration (median [μg/L])	25	9-10	NA	Djalal-Abad region, Kyrgyzstan	2003^a	[35]
	105	2-15	40 households	Kazakhstan	2003	[7]
	29	2-15	40 households	Tajikistan	2003	[7]
	109	2-15	40 households	Uzbekistan	2003	[7]
	65	0.5-5	2000	Khatlon region, Tajikistan	2003	[36]
	67	8-11	400	Kabul, Afghanistan	2005	[21]
	114	8-10	580	Kyrgyzstan	2007	[37]
	170	NA	879	Turkmenistan	2006^a	[38]
	72	0.5-5	422	Region of Khatlon, Tajikistan	2009	[39]
	51	7-11	589	Khatlon region, Tajikistan	2009	Present study
Iodine content of household salt (median [ppm])	10.5	NA	580	Kyrgyzstan	2007	[37]
	5.3	NA	149	Region of Khatlon, Tajikistan	2009	Present study

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