Table 1 Demographic information of studied participants based on iodine status
Variables | Urinary Iodine < 150 μg/l | Urinary Iodine ≥150 μg/l | All participants | P-value |
|---|---|---|---|---|
Mean(SD), N(%) | Mean(SD), N(%) | Mean(SD), N(%) | ||
Urinary iodine concentration (μg/l) | 131.3 (130–137) | 176 (165–197) | 176 (165–196) | < 0.001 |
Age (years) | 29.3 ± 4.9 | 29.2 ± 14.8 | 29.2 ± 14.5 | 0.91 |
No. of live deliveries | 1.47 ± 0.89 | 1.73 ± 0.86 | 1.71 ± 0.87 | 0.091 |
No. of previous pregnancies | 1.91 ± 0.91 | 2.07 ± 1 | 2.06 ± 1 | 0.25 |
Weight before pregnancy (Kg) | 62.4 ± 11.2 | 64.5 ± 20.3 | 64.3 ± 19.9 | 0.25 |
The timing between the two most recent pregnancies (year) | 3.25 ± 0.29 | 4.57 ± 0.15 | 4.5 ± 0.14 | 0.002 |
Weight gain during pregnancy (Kg) | 9 ± 5 | 12.8 ± 5.5 | 12.6 ± 5.6 | < 0.001 |
Type of pregnancy | ||||
 Planned | 25 (4.0) | 600 (96) | 625 (72.93) | 0.004 |
 unplanned | 21 (9.05) | 211 (90.95) | 232 (27.07) | |
Mother’s level of education | ||||
 Illiterate | 2 (8.3) | 22 (91.7) | 24 (2.72) | < 0.001 |
 Senior high | 27 (12) | 198 (88) | 225 (25.5) | |
 B.S. | 16 (2.6) | 606 (97.6) | 622 (70.5) | |
 M.S. or higher | 1 (9) | 10 (91) | 11 (1.25) | |
Iodinated salt consumption | ||||
 yes | 41 (5.2) | 751 (94.8) | 792 (89.59) | 0.91 |
 no | 5 (5.4) | 87 (94.6) | 92 (10.41) | |
Complement intake during pregnancy | ||||
 yes | 32 (4) | 775 (96) | 807 (91.22) | < 0.001 |
 No | 14 (18.2) | 63 (81.8) | 77 (8.71) | |
Fish consumption | ||||
 yes | 34 (5.06) | 638 (94.94) | 672 (77.51) | 0.54 |
 No | 12 (6.15) | 183 (93.85) | 195 (22.49) | |
Egg consumption | ||||
 Twice weekly | 30 (5.3) | 539 (94.7) | 569 (66.09) | 0.93 |
 Less than twice per week | 15 (5.1) | 277 (94.9) | 292 (33.91) | |