Table 1 UIC according to maternal age, category of table salt, and region
N (%) | Median UIC(IQR), μg/L | P | |
|---|---|---|---|
Maternal age (years old) | 0.945a,0.986b | ||
≤19 | 13 (1.0) | 147.02 (84.06–250.88) | |
20–24 | 214 (16.4) | 127.50 (79.65–209.44) | |
25–29 | 635 (48.7) | 129.66 (85.23–192.10) | |
30–34 | 303 (23.2) | 129.00 (82.28–200.68) | |
≥35 | 139 (10.7) | 136.43 (80.10–219.00) | |
Category of salt (ppm) | < 0.001a, < 0.001b | ||
Non-iodized (< 5) | 70 (5.4) | 84.83 (62.05–105.23) | |
Inadequately iodized (5–17.9) | 58 (4.4) | 107.00 (67.54–190.00) | |
Adequately iodized (18–33) | 1172 (89.9) | 135.00 (94.55–214.00) | |
Excessively iodized (> 33) | 4 (0.3) | 267.00 (88.23–446.00) | |
Region | < 0.001a, < 0.001b | ||
Coast | 594 (45.6) | 107.54 (75.55–157.83) | |
Inland | 710 (54.4) | 152.54 (97.10–236.63) | |
Total | 1304 (100) | 129.34 (83.05–201.67) | |