Baseline characteristics of the clinical trial participants
| Characteristics | Placebo | Treatment group, vitamin D | P |
|---|---|---|---|
| Demographics (age, years old), mean (SD) | 46.3 (9.5) | 47.7 (8.0) | 0.6 |
| Ethnicity, % | |||
| Arab | 54 | 43.5 | 0.46 |
| Fars | 46 | 56.5 | |
| Breast cancer stage, % | |||
| I | 33 | 27 | 0.50 |
| II | 42 | 43 | |
| III | 25 | 30 | |
| Anthropometric, mean ± SD | |||
| BMI | 29.2 ± 6.3 | 30.2 ± 5.4 | 0.59 |
| Waist circumference | 103.5 ± 12.5 | 109.0 ± 11.2 | 0.12 |
| Mean dietary intakes, mean ± SD | |||
| Total energy intake, kcal/day | 1,596 ± 528 | 1,848 ± 821 | 0.59 |
| Total fat, g/day | 67 ± 32 | 70 ± 32 | 0.59 |
| Dietary calcium, mg/day | 618 ± 308 | 843 ± 526 | 0.41 |
| Dietary fiber, g/day | 15 ± 7 | 18 ± 9 | 0.97 |
| Dietary carotenoid intake, (μg/day) | 4,743.74 ± 4,771.63 | 4,509.17 ± 3,890.52 | 0.77 |
| Dietary vitamin C intake, (mg/day) | 104.16 ± 79.14 | 108.80 ± 84.43 | 0.16 |
| Dietary vitamin E intake, (mg/day) | 30.70 ± 18.28 | 29.80 ± 15.36 | 0.53 |
| Dietary selenium intake, (μg/day) | 48.50 ± 29.77 | 46.90 ± 27.63 | 0.68 |
BMI: body mass index; SD: standard deviation