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Table 1 Selected background characteristics of children (n = 419) and women (n = 405) in 92 households, stratified for examiners 1 and 2.

From: Data quality and practical challenges of thyroid volume assessment by ultrasound under field conditions - observer errors may affect prevalence estimates of goitre

  Examiner 1
(n = 406)
Examiner 2
(n = 418)
Children, n (%) 209 (51.5) 210 (50.2)
   Age in years, mean (SD) 10.2 (2.6) 9.7 (2.6)
   Urinary iodine (μg/L), median (P25-P75) 597 (366-917) 536 (346-885)
Women, n (%) 197 (48.5) 208 (49.8)
   Age in years, mean (SD) 29.2 (8.5) 29.0 (8.5)
   BMI (kg/m2), mean (SD) 25.0 (4.6) 25.2 (6.5)
   Urinary iodine (μg/L), median (P25-P75) 476 (294-772) 459 (301-705)
Households, n (%) 46 (50) 46 (50)
   Iodine in drinking water (μg/L), median (P25P75) 112 (83-301) 103 (72-297)