WHO Global Database on Iodine Deficiency the Database on Iodine Deficiency Includes Data by Country on Goitre Prevalence And/Or Urinary Iodine Concentration
Total Page:16
File Type:pdf, Size:1020Kb
Vitamin and Mineral Nutrition Information System (VMNIS) WHO Global Database on Iodine Deficiency The database on iodine deficiency includes data by country on goitre prevalence and/or urinary iodine concentration CHAD Last Updated: 2006-12-28 Goitre Urinary iodine (µg/L) Notes prevalence (%) Distribution (%) Prevalence (%) Age Sample Grade Grade TGP <20 20-49 50-99100-299 >300 <100 Median Mean SD Reference General Line Level Date Region and sample descriptor Sex (years) size 1 2 N 2003 National: SAC: Total B 6.00 - 12.99 333 13.833.6 36.9 29.4 213.2 3468 * 1 SAC by ecological zone: N'Djaména B 6.00 - 12.99 NS 5.530.1 56.2 13.7 368.8 2 SAC by ecological zone: Sahel B 6.00 - 12.99 NS 21.533.1 26.9 40.0 152.4 3 SAC by ecological zone: Sudan B 6.00 - 12.99 NS 10.836.2 36.2 27.7 223.6 4 SAC by prefecture: Batha B 6.00 - 12.99 NS 60.0 84.9 SAC by prefecture: Biltine B 6.00 - 12.99 NS 80.0 28.7 SAC by prefecture: Borkou-Ennedi-Tibesti B 6.00 - 12.99 NS 30.0 171.0 SAC by prefecture: Chari Baguirmi B 6.00 - 12.99 NS 15.0 293.1 SAC by prefecture: Guéra B 6.00 - 12.99 NS 35.0 170.0 SAC by prefecture: Kanem B 6.00 - 12.99 NS 5.0 404.9 SAC by prefecture: Lac B 6.00 - 12.99 NS 0.0 357.3 SAC by prefecture: Logone Occidental B 6.00 - 12.99 NS 25.0 390.5 SAC by prefecture: Logone Oriental B 6.00 - 12.99 NS 30.0 232.8 SAC by prefecture: Mayo Kebbi B 6.00 - 12.99 NS 27.5 232.0 SAC by prefecture: Moyen Chari B 6.00 - 12.99 NS 6.6 291.6 SAC by prefecture: N'Djaména city B 6.00 - 12.99 NS 13.7 368.8 SAC by prefecture: Ouaddai B 6.00 - 12.99 NS 90.0 57.0 SAC by prefecture: Salamat B 6.00 - 12.99 NS 70.0 76.3 SAC by prefecture: Tandjilé B 6.00 - 12.99 NS 40.0 131.3 National: SAC: Total B 6.00 - 12.99 1873 5.5 0.1 5.5 * National: SAC/Adults: Total B 10.00 - 20.99 1492 8.9 0.6 9.5 SAC by sex F 6.00 - 12.99 1013 5.4 0.2 5.6 SAC by sex M 6.00 - 12.99 860 5.5 0.0 5.5 SAC/Adults by sex F 10.00 - 20.99 819 9.2 0.6 9.8 SAC/Adults by sex M 10.00 - 20.99 673 8.6 0.7 9.4 SAC by age B 6.00 - 9.99 1198 4.3 0.0 4.3 SAC by age B 10.00 - 12.99 675 7.4 0.3 7.7 Adults by age B 13.00 - 20.99 817 10.0 1.0 11.0 SAC by ecological zone: N'Djaména B 6.00 - 12.99 148 2.7 0.0 2.7 SAC by ecological zone: Sahelian B 6.00 - 12.99 796 8.0 0.3 8.2 SAC by ecological zone: Sudan B 6.00 - 12.99 928 3.8 0.0 3.8 SAC/Adults by ecological zone: N'Djaména B 10.00 - 20.99 156 5.1 1.3 6.4 SAC/Adults by ecological zone: Sahelian B 10.00 - 20.99 611 14.0 0.5 14.6 SAC/Adults by ecological zone: Sudan B 10.00 - 20.99 725 5.4 0.7 6.1 N 2000 National: SAC: Total B 6.00 - 15.99 1024 23.3 3494 * SAC by sex F 6.00 - 15.99 NS 26.4 SAC by sex M 6.00 - 15.99 NS 21.3 © WHO Global Database on Iodine Deficiency Vitamin and Mineral Nutrition Information System (VMNIS) WHO Global Database on Iodine Deficiency The database on iodine deficiency includes data by country on goitre prevalence and/or urinary iodine concentration CHAD Last Updated: 2006-12-28 Goitre Urinary iodine (µg/L) Notes prevalence (%) Distribution (%) Prevalence (%) Age Sample Grade Grade TGP <20 20-49 50-99100-299 >300 <100 Median Mean SD Reference General Line Level Date Region and sample descriptor Sex (years) size 1 2 N 2000 SAC by age B 6.00 - 9.99 NS 20.7 3494 SAC by age B 10.00 - 15.99 NS 26.0 SAC by ecological zone: N'Djamena B 6.00 - 15.99 151 11.8 SAC by ecological zone: Sahelian B 6.00 - 15.99 258 44.6 SAC by ecological zone: Sudan B 6.00 - 15.99 514 17.0 SAC by ecological zone: Tropical B 6.00 - 15.99 101 17.8 N 1993 -1994 National: SAC/Adults: Total B 10.00 - 20.99 1141 16.0 76.0 7.0 99.6 29 390 * SAC/Adults by zone: N'Djamena B 10.00 - 20.99 120 1.0 58.0 37.0 96.0 47 SAC/Adults by zone: Sahel B 10.00 - 20.99 481 2.0 89.0 8.0 100.0 37 SAC/Adults by zone: Sudan B 10.00 - 20.99 540 32.0 67.0 0.0 100.0 23 National: SAC/Adults: Total B 10.00 - 20.00 1171 54.0 9.0 63.0 * SAC/Adults by sex F 10.00 - 20.00 551 59.5 11.8 71.3 SAC/Adults by sex M 10.00 - 20.00 620 48.7 5.8 54.5 SAC/Adults by ecological zone: N'Djamena B 10.00 - 20.00 122 25.0 1.0 26.0 SAC/Adults by ecological zone: Sahel B 10.00 - 20.00 485 53.0 11.0 64.0 SAC/Adults by ecological zone: Sudan B 10.00 - 20.00 564 61.0 9.0 70.0 SAC/Adults by sex and ecological zone: N'Djamen F 10.00 - 20.00 58 33.0 2.0 35.0 SAC/Adults by sex and ecological zone: N'Djamen M 10.00 - 20.00 64 17.0 0.0 17.0 SAC/Adults by sex and ecological zone: Sahel F 10.00 - 20.00 222 56.0 14.0 70.0 SAC/Adults by sex and ecological zone: Sahel M 10.00 - 20.00 263 50.0 8.0 58.0 SAC/Adults by sex and ecological zone: Sudan F 10.00 - 20.00 271 68.0 12.0 80.0 SAC/Adults by sex and ecological zone: Sudan M 10.00 - 20.00 293 55.0 5.0 60.0 SAC by age and ecological zone: N'Djamena B 10.00 - 12.00 59 29.0 2.0 31.0 SAC by age and ecological zone: Sahel B 10.00 - 12.00 200 55.0 11.0 66.0 SAC by age and ecological zone: Sudan B 10.00 - 12.00 270 53.0 6.0 59.0 SAC/Adults by age and ecological zone: N'Djame B 13.00 - 15.00 42 29.0 0.0 29.0 SAC/Adults by age and ecological zone: Sahel B 13.00 - 15.00 165 58.0 8.0 58.0 SAC/Adults by age and ecological zone: Sudan B 13.00 - 15.00 139 32.0 6.0 38.0 Adults by age and ecological zone: N'Djamena B 16.00 - 20.00 21 5.0 0.0 5.0 Adults by age and ecological zone: Sahel B 16.00 - 20.00 120 42.0 16.0 64.0 Adults by age and ecological zone: Sudan B 16.00 - 20.00 231 68.0 1.0 69.0 © WHO Global Database on Iodine Deficiency NOTES CHAD Reference no 3468 General Notes: Two-stage cluster sampling with probability proportionate to size; subjects selected from households; all 3 ecological zones included (N'Djaaména, Sahel and Sudan); prevalence of cretinism determined, values not included in the database. Line note 1 UI <50 µg/L: 15.6% Line note 2 UI <50 µg/L: 8.2% Line note 3 UI <50 µg/L: 18.5% Line note 4 UI <50 µg/L: 16.9% Reference no 3494 General Notes: Sampling: the country was divided into 3 ecological zones (Sahelian, Sudanian and Tropical) and an urban zone (the capital N'Djamena); 20 schools all situated not more than 30 km from the country's main roads selected, due to travel difficulties; number of schools sampled proportional to population size in each zone; children randomly selected in each sampled school. Reference no 390 General Notes: Multi-stage cluster sampling with probability proportionate to size - 60 clusters; subjects selected from households; prevalence of cretinism determined, values not included in the database. © WHO Global Database on Iodine Deficiency R E F E R E N C E S CHAD Reference 390 Ministère de la Santé Publique [Tchad], OMS, UNICEF. Résultats de l'enquête nationale de prévalence des TDCI en République du Tchad - du 05/11/93 au 06/01/94 [Results of the national survey on IDD prevalence in the Republic of Chad – from 05/1193 to 06/01/94]. N'Djaména, Ministère de la Santé Publique, 1994. Reference 3468 Ntambwe TK. Rapport d'evaluation de la lutte contre les TDCI au Tchad. N'Djaména, Tchad, Ministere de la Sante Publique, Republique du Tchad, 2003. Reference 3494 Beasley M, Brooker S, Ndinaromtan M, Madjiouroum EM, Baboguel M, Djenguinabe E, Bundy DA.