Table 3.
Predictors of iodine intake <100 μg/day in 61,904 pregnant Norwegian women.
| Iodine < 100 μg/day | Unadjusted model | Adjusted model 1 | ||
|---|---|---|---|---|
| n (%) | OR (95% CI) | OR (95% CI) | ||
| Iodine from supplements | ||||
| Yes | 419 (2.1) | 1 | 1 | |
| No | 9533 (22.5) | 13.3 (12.0, 14.7) | 58.6 (52.0, 66.2) | |
| Low milk/yoghurt intake | ||||
| No: ≥200 mL/day | 1723 (3.9) | 1 | 1 | |
| Yes: <200 mL/day | 8229 (47.9) | 22.9 (21.7, 24.3) | 42.2 (39.4, 45.7) | |
| Low fish and seafood intake | ||||
| No: ≥20 g/day | 6093 (12.8) | 1 | 1 | |
| Yes: <20 g/day | 3859 (27.2) | 2.6 (2.4, 2.7) | 3.8 (3.5, 4.1) | |
| Low egg intake | ||||
| No: ≥8 g/day | 5584 (13.3) | 1 | 1 | |
| Yes: <8 g/day | 4368 (21.9) | 1.8 (1.7, 1.9) | 1.5 (1.4, 1.6) | |
1 Additionally adjusted for maternal age, parity, education, marital status, smoking, body mass index, household income and total energy intake.