Table 5.
Individual case information on infants with low serum 25OHD levels (<50 nmol/L) at 6 months (n = 11)
| Case (No.) | Cord 25OHD (nmol/L) | 25OHD at 6 months (nmol/L) | Maternal vitamin D supplementation during pregnancy (IU/day) | Vitamin D supplementation after birth (IU/day) | Season of blood sample | Parental education | Feeding pattern |
|---|---|---|---|---|---|---|---|
| Case 588 | 76.4 | 24.5 | 125 | 400 | Winter | Both college | Breastfed |
| Case 458 | 72.6 | 30.3 | 1666 | 0 | Winter | One college | Breastfed |
| Case 731 | 23.2 | 34.9 | 620 | 500 | Winter | One college | Formula‐fed |
| Case 207 | 35.8 | 43.2 | 500 | 0 | Summer | Both college | Breastfed |
| Case 361 | 47.7 | 44.5 | 0 | 0 | Summer | One college | Breastfed |
| Case 106 | 86.1 | 44.8 | 383 | 400 | Summer | Both college | Breastfed |
| Case 659 | 20.4 | 47.4 | 400 | 200 | Winter | Both college | Mixed‐fed |
| Case 666 | 33.6 | 47.5 | 500 | 400 | Winter | One college | Breastfed |
| Case 761 | 49.3 | 47.9 | 500 | 400 | Winter | Both college | Mixed‐fed |
| Case 613 | 31.6 | 48.3 | 0 | 150 | Winter | One college | Mixed‐fed |
| Case 24 | 41.9 | 48.5 | 625 | 100 | Summer | None college | Formula‐fed |
Abbreviation: 25OHD, 25‐hydroxyvitamin D.