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. 2021 Nov 13;10(11):2794. doi: 10.3390/foods10112794

Table 2.

Physiological characteristics of study participants (relative frequency (%); mean ± SD).

Physiological
Characteristics
Healthy Group
(n = 33)
Atopic Group
(n = 19)
HK H0 p-Value AK A0 p-Value
Gender 0.208 0.330
  Female, n (%) 12 (92.3) 15 (75.0) 9 (100) 9 (90.0)
  Male, n (%) 1 (7.7) 5 (25.0) 0 1 (10.0)
Age, mean (SD), years 28.9 (13.0) 25.8 (7.71) 0.739 * 30.4 (12.3) 32.9 (12.1) 0.538 *
Skin Phototype 0.388 0.252
  Type II, n (%) 6 (46.2) 7 (35.0) 4 (44.4) 2 (20.0)
  Type III, n (%) 5 (38.5) 12 (60.0) 5 (55.6) 8 (80.0)
  Type IV n (%) 2 (15.3) 1 (5.0) 0 0
BMI, mean (SD), kg/m2 22.6 (3.68) 23.3 (4.19) 0.439 * 22.7 (3.40) 22.8 (2.18) 0.540 *
Waist circumference, mean (SD), cm 72.4 (9.19) 77.5 (13.6) 0.328 * 77.2 (8.67) 78.6 (6.02) 0.653 *

SD—standard deviation. BMI—Body Mass Index. HK—healthy skin with kefir intake; H0—healthy skin without kefir intake; AK—atopic skin with kefir intake; A0—atopic skin without kefir intake. Groups compared by Chi-square test, except (*) where Mann-Whitney U test was applied, with p < 0.05 for statistical significance.