Skip to main content

Table 1 Baseline characteristics for total participants

From: Iodine monitoring models contribute to avoid adverse birth outcomes related more than adequate iodine intake

Characteristics n (%) Mean ± SD
Total pregnancy women 870  
Age, years 28.4 ± 4.0
 0–25 181 (20.8)  
 26 ~ 35 643 (73.9)  
  > 35 46 (5.3)  
Gestational week 16.6 ± 6.9
 first trimester 178 (20.5)  
 second trimester 628 (72.2)  
 third trimester 64 (7.4)  
Pre-pregnancy BMI, kg/m2 22.7 ± 3.7
  < 18.5 63 (7.2)  
 18.5 ~ 24 569 (65.4)  
 24.1 ~ 28.9 175 (20.1)  
  ≥ 29 63 (7.2)  
Multivitamin with iodine
 Yes 124 (14.3)  
 No 746 (85.7)  
Iodized salt
 Yes 789 (90.7)  
 No 81 (9.3)  
Sea food (fish, crab, shrimp)
 Frequent 135 (15.5)  
 Occasional 667 (76.7)  
 None 68 (7.8)  
Cow’ milk
 Frequent 412 (47.4)  
 Occasional 397 (45.6)  
 None 61 (7.0)  
Yogurt
 Frequent 144 (16.6)  
 Occasional 521 (59.9)  
 None 205 (23.6)  
Egg
 Frequent 347 (39.9)  
 Occasional 478 (54.9)  
 None 45 (5.2)  
 Total infants 870  
Infants gender
 Male 468 (53.79)  
 Female 402 (46.21)  
Infants weight (g) 3393.3 ± 294.4
  < 4000 834 (95.86)  
  ≥ 4000 36 (4.14)  
 Infants length (cm)   50.0 ± 1.7
 Femur length (cm)   7.3 ± 0.3
 Head circumference (cm)   33.6 ± 1.3
  1. SD standard deviation
  2. BMI body mass index
  3. UIC urinary iodine concentration