Table 3 Sunscreen usage of participants (n = 441)
From: Evaluation of the knowledge regarding vitamin D, and sunscreen use of female adolescents in Iran
Question items | Response | Number (%) | Vitamin D level (ng/ml) | P value* |
|---|---|---|---|---|
How often do you use sunscreens? | Only morning | 286 (30.42) | 6.2 (3.9–9.5) | 0.96 |
Twice a day | 129 (13.72) | 6.1 (3.1–9.1) |  | |
Thrice a day | 26 (2.76) | 6.9 (3.0–9.6) |  | |
In which season do you use sunscreens? | Only summer | 131 (13.93) | 5.9 (3.7–90) | 0.82 |
Spring & summer | 81 (8.61) | 6.4 (3.8–10.0) |  | |
All season | 230 (24.46) | 6.2 (3.7–9.5) |  | |
Sun protection factor (SPF) | < 30 | 82 (8.83) | 6.7 (4.9–9.2) | 0.11 |
30–50 | 123 (13.08) | 6.6 (4.1–10.1) |  | |
> 50 | 87 (9.25) | 5.5 (3.0–9.4) |  | |
No idea | 148 (15.74) | 5.7 (3.4–9.0) |  | |
What location do you use sunscreens? | Only face | 314 (33.4) | 6.2 (3.7–9.3) | 0.73 |
Face & hands | 124 (13.19) | 6.4 (4.0–9.2) |  | |
Most of the body | 3 (0.31) | 3.1 (3.0–29.7) |  |