Table 1 Characteristics presented in all women and separately by women of ethnic Swedish and immigrant origin
Characteristic | All women (n = 61) | Native women (n = 30) | Immigrant women (n = 31) | p*) |
|---|---|---|---|---|
Age (years)1 | 39 (29-51) | 42 (31-56) | 35 (29-49) | 0.19 |
BMI (kg/m2)1 | 27 (22-32) | 26 (22-32) | 28 (24-32) | 0.36 |
Current smoking (%)2 | 12 (20) | 6 (20) | 6 (19) | 1.00 |
Sun holiday past year (%)2 | 13 (21) | 8 (23) | 6 (19) | 0.76 |
Time since sun holiday (wks.)1 | 30 (26-38) | 31 (17-32) | 29 (28-38) | 0.68 |
Observed wearing of veil (%)2 | 11 (18) | 1 (3) | 10 (32) | 0.006 |
Use of sunscreen (%)2 | 41 (67) | 19 (63) | 22 (71) | 0.52 |
Education >12 years (%)2 | 37 (61) | 22 (73) | 15 (48) | 0.001 |
Skin types I-III (%)2 | 44 (72) | 28 (93) | 16 (52) | 0.012 |
P-calcium (mmol/L)1 | 2.3 (2.3-2.4) | 2.3 (2.3-2.4) | 2.3 (2.3-2.4) | 0.55 |
Vitamin D intake, food (μg/day)1 | 4.0 (2.5-5.7) | 5.1 (4.0-6.4) | 3.1 (2.0-4.4) | 0.0008 |
Vitamin D intake, food + supplements (μg/day)1 | 4.0 (2.5-6.1) | 5.6 (4.0-8.1) | 3.1 (2.0-4.7) | 0.0009 |
25(OH)D (nmol/L)1 | 34.0 (21.8-52.0) | 51.5 (39.9-65.0) | 22.2 (13.7-28.6) | <0.0001 |