Table 1 |
|||
| Baseline characteristics of subject groups who received vitamin D3 supplements (25 μ/d) or placebo before the intervention | |||
| Characteristics | Vitamin D group | Placebo group | P-value |
| Age (y) | 38±72 | 37±8 | 0.29 |
| Body weight (kg) | 73.9±10.2 | 75.1±11.9 | 0.61 |
| Height (cm) | 156.5±5.8 | 159.3±5.6 | 0.035 |
| Waist circumference (cm) | 89.9±8.7 | 91.2±12.1 | 0.59 |
| Hip circumference (cm) | 108±8.5 | 108.2±8.1 | 0.91 |
| BMI (kg/m2) | 30.1±3.9 | 29.5±4.4 | 0.54 |
| Fat mass (kg) | 30.2±6.9 | 29±8.7 | 0.53 |
| Fat free mass (kg) | 43.7±5.1 | 45.9±4.7 | 0.05 |
| Physical activity (MET-minutes/week) | 902±1245 | 702±996 | 0.43 |
| Energy intake (kcal/d) | 1866±927 | 2060±834 | 0.33 |
| Carbohydrate intake (g/d) | 280±134 | 329±140 | 0.12 |
| Fiber intake (g/d) | 16±9 | 18±10 | 0.23 |
| Protein intake (g/d) | 64±29 | 76±35 | 0.10 |
| Fat intake (g/d) | 55±44 | 49±24 | 0.43 |
| Dietary calcium intake (mg/d) | 873±586 | 677±386 | 0.08 |
| Dietary vitamin D intake (μg/d) | 0.53±0.6 | 0.39±0.37 | 0.22 |
| 25(OH) D (nmol/L)2 | 36.8±30 | 46.9±32 | 0.15 |
| iPTH (pmol/L)2 | 1.4±0.7 | 1.4±0.7 | 0.84 |
| Calcium (mmol/L) | 2.2±0.09 | 2.3±0.1 | 0.004 |
| Phosphorus (mmol/L) | 1.1±0.1 | 1.1±0.1 | 0.6 |
aMean ± SD (all such values).
b25(OH) D, 25-hydroxyvitamin D; PTH, parathyroid hormone. To convert 25(OH) D values to ng/mL, divide by 2.5. To convert PTH values to pg/mL, divide by 0.11.
Salehpour et al. Nutrition Journal 2012 11:78 doi:10.1186/1475-2891-11-78
