Table 1 Baseline characteristics of the participants.

From: Associations of bone health biomarkers and bone mineral density with dietary intakes in vitamin D deficient women: a cross-sectional study

Variable

Screened participants (n = 203)

Participants included in baseline assessment of dose‒response trial (n = 108)

Demographic and anthropometry1

 Age (years)

22.80 ± 4.60

20.50 ± 1.10

 Height (cm)

157.40 ± 5.60

158.38 ± 5.34

 Weight (kg)

55.52 ± 8.63

53.27 ± 5.73

 BMI (kg/m2)

22.42 ± 3.40

21.22 ± 1.91

BMI (WHO classification)2

 Underweight, n (%)

7 (3.45)

0 (0.00)

 Normal, n (%)

159 (78.30)

108 (100.00)

 Overweight, n (%)

37 (18.23)

0 (0.00)

 Obese, n (%)

0 (0.00)

0 (0.00)

Occupation

 Staff (doctors, nurses, research)

58 (28.57)

3 (2.78)

 Students (nursing, doctoral, other)

145 (71.43)

105 (97.22)

Vitamin D (25(OH)D) Status (ng/mL)

 Deficient (< 12 ng/mL), n (%)

131 (64.53)

83 (76.85)

 Insufficient (12–20 ng/mL), n (%)

41 (20.20)

25 (23.15)

Vitamin D Total (25(OH)D, ng/mL)

12.99 ± 8.82

9.83 ± 3.44

  1. 1Values are expressed as the mean ± standard deviation (SD) for continuous variables.
  2. 2Values are expressed as numbers (percentages, %) for categorical variables.
  3. BMI body mass index, WHO World Health Organization, 25(OH)D 25-hydroxyvitamin D.
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