Table 2 Characteristics of participants and standardised vitamin D (25OH) D) concentrations
Characteristic | 25 (OH) D nmol/La | N | <25 nmol/L | 25–49.9 nmol/L | 50–74.9 nmol/L | ≥75 nmol/L |
|---|---|---|---|---|---|---|
Total cohort | 57.0 ± 24.1 | 270 (100) | 19 (7.0) | 97 (35.9) | 103 (38.2) | 51 (18.9) |
Treatment group | ||||||
Control | 56.9 ± 24.5 | 140 (51.9) | 11 (7.9) | 47 (33.6) | 55 (39.3) | 27 (19.3) |
DHA | 57.2 ± 23.8 | 130 (48.1) | 8 (6.2) | 50 (38.5) | 48 (36.9) | 24 (18.5) |
Mother smoked during or leading up to pregnancy | ||||||
Yes | 54.7 ± 21.7 | 73 (27.0) | 6 (8.2) | 28 (38.9) | 28 (38.9) | 11 (15.1) |
No | 57.9 ± 24.9 | 197 (73.0) | 13 (6.6) | 69 (35.0) | 75 (38.1) | 40 (20.3) |
Parity | ||||||
0 | 55.4 ± 25.7 | 110 (40.7) | 11 (10.0) | 40 (36.4) | 39 (35.5) | 20 (18.2) |
> = 1 | 58.2 ± 23.0 | 160 (59.3) | 8 (5.0) | 57 (35.6) | 64 (40.0) | 31 (19.4) |
Infant sex | ||||||
Male | 59.0 ± 26.0 | 129 (47.8) | 7 (5.4) | 44 (34.1) | 52 (40.3) | 26 (20.2) |
Female | 55.2 ± 22.2 | 141 (52.2) | 12 (8.5) | 53 (37.6) | 51 (36.2) | 25 (17.7) |