Table 3 Between groups comparisons of depression scores and 25(OH)D concentrations
Variables | mean ± sd | Depression score, N (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Â | Vitamin D group | Control group | P-value | Vitamin D group | Control group | |||||
|  |  |  |  | <9 | 9–13 | >13 | <9 | 9–13 | >13 | P-value* |
Depression score at baseline | 8.44 ± 3.89 | 8.64 ± 3.81 | 0.747 | 37 (49.3) | 38 (50.7) | 0 (0) | 33 (42.3) | 45 (57.7) | 0 (0) | 0.383 |
Depression score at 38–40w gestation | 6.17 ± 3.47 | 7.77 ± 3.92 | 0.01 | 49 (72.1) | 18 (26.5) | 1 (1.5) | 37 (50.7) | 30 (41.1) | 6 (8.2) | 0.024 |
Depression score at post partum (4w) | 4.59 ± 3.29 | 7.36 ± 4.27 | <0.001 | 58 (90.6) | 6 (9.4) | 0 (0) | 43 (59.7) | 23 (31.9) | 6 (8.3) | <0.001 |
Depression score at postpartum (8w) | 4.19 ± 3.76 | 7.18 ± 3.99 | <0.001 | 57 (89.1) | 7 (10.9) | 0 (0) | 46 (63.9) | 22 (30.6) | 4 (5.6) | 0.001 |
| Â | Â | Â | Â | Categorized 25(OH)D, N(%) | ||||||
<20 | 20–29 | ≥30 | <20 | 20–29 | ≥30 | P-value* | ||||
25(OH)D at baseline (ng/mL) | 12.84 ± 7.91 | 11.89 ± 6.40 | 0.63a | 65 (86.7) | 7 (9.3) | 3 (4) | 69 (88.5) | 8 (10.3) | 1 (1.3) | 0.61 |
25(OH)D at delivery (ng/mL) | 17.46 ± 10.09 | 12.07 ± 5.98 | 0.001a | 41 (66.1) | 15 (24.2) | 6 (9.7) | 58 (85.3) | 10 (14.7) | 0 (0) | 0.006 |