Table 1 Characteristics of mothers and their infants (n = 747)
From: Maternal iodine status during lactation and infant weight and length in Henan Province, China
Maternal and infant variables | values |
|---|---|
Mothers | |
 Age (Mean ± SD, yr) | 27.4 ± 4.3 |
Education | |
 Primary or less than primary (%) | 48.8 |
 Secondary (%) | 23.6 |
 High school or above (%) | 27.5 |
Month income | |
  < 1000 yuan (%) | 9.4 |
 1000–2999 yuan (%) | 57.6 |
  ≥ 3000 yuan (%) | 33.0 |
Maternal occupation | |
 Unemployed/housewives | 43.1 |
 Agriculture | 22.9 |
 Manual | 8.9 |
 Sales and services | 3.2 |
 Professional/technical/managerial | 12.6 |
 others | 9.3 |
 Height(Mean ± SD) | 161.0 ± 4.2 |
 Weight(Mean ± SD) | 58.6 ± 8.8 |
 BMI(Mean ± SD) | 22.6 ± 3.2 |
 UIC (Median (IQR), μg/L) | 177.4 (116.1–267.8) |
 UIC < 50 μg/L (%) | 5.4 |
 UIC < 100 μg/L (%) | 19.0 |
Infants | |
 Age (Mean ± SD, month) | 3.6 ± 1.8 |
 Male (%) | 57.8 |
 UIC (Median (IQR), μg/L) | 261.1 (172.7–366.1) |
 UIC < 50 μg/L (%) | 2.7 |
 UIC < 100 μg/L (%) | 7.8 |
 HAZ(Mean ± SD) | −0.008 ± 2.2 |
 WAZ(Mean ± SD) | 0.4 ± 1.6 |