Table 1 Baseline characteristics in the two study groups.
Group | Vitamin D group N = 20 | Placebo group N = 18 | P-valuea |
|---|---|---|---|
Age, years | 21.3 ± 1.6 | 21.7 ± 1.8 | 0.41 |
BMI, kg/m2 | 20.7 ± 1.2 | 21.4 ± 2.01 | 0.21 |
Waist circumference, Cm | 77 ± 8.4 | 80 ± 10.01 | 0.59 |
Menarche age, n (%) | 0.51 | ||
<12 years | 9(40.9) | 9(45) | |
≥12 years | 13(59.1) | 11(55) | |
Having previous history of PMS (%) | 12(54.5) | 12(60) | 0.48 |
Habit of adding salt to the table, yes(%) | 10(47.6) | 9(45) | 0.55 |
Coffee consumption, n (%) | — | ||
≤2 cups/day | 22(100) | 20(100) | |
>2 cups/day | 0 | 0 | |
Sun exposure (min/day), n (%) | 0.78 | ||
<30 | 6(27.3) | 8(40) | |
30–60 | 11(50) | 9(45) | |
60–120 | 4(18.2) | 2(10) | |
>120 | 1(4.5) | 1(5) | |
Using sunscreen, yes(%) | 15(68.2) | 17(85) | 0.18 |
Body on sun expose, n (%) | 0.20 | ||
Only face and hands | 18(81.8) | 19(95) | |
More | 4(18.2) | 1(5) | |
Serum 25(OH)D3, ng/mL | 21.4 ± 7.6 | 21.1 ± 6.8 | 0.86 |
Serum IL-10, Pg/mL | 92 ± 8 | 84 ± 35 | 0.49 |
Serum IL-12, ng/mL | 18 ± 3 | 19 ± 24 | 0.89 |
Serum TAC, U/mL | 13 ± 2 | 19 ± 11 | 0.064 |