Table 2 Association of Vitamin D status with life style factors
From: Vitamin D status in Kancheepuram District, Tamil Nadu, India
Variables | Groups | n | Plasma 25OH vitamin D status | P value | ||
|---|---|---|---|---|---|---|
Deficient (< 12 ng/mL) | Insufficient (12–20 ng/mL) | Sufficient (> 20 ng/mL) | ||||
Sun exposure time per day | 15–30 min | 29 | 10 (34.5) | 12 (41.4) | 7 (24.1) | 0.0001 |
30–60 min | 137 | 27 (19.7) | 68 (49.6) | 42 (30.7) | ||
60–120 min | 84 | 9 (10.7) | 36 (42.9) | 39 (46.4) | ||
> 120 min | 174 | 13 (7.5) | 59 (33.9) | 102 (58.6) | ||
Body portions exposed to sunlight | Face, upper and lower limbs exposed | 86 | 10 (11.6) | 26 (30.2) | 50 (58.1) | 0.0196 |
Face and upper limbs exposed | 338 | 49 (14.5) | 149 (44.1) | 140 (41.4) | ||
Usage of sun screen | No | 408 | 55 (13.5) | 164 (40.2) | 189 (46.3) | 0.0066 |
Yes | 16 | 4 (25) | 11 (68.8) | 1 (6.3) | ||
Usage of vitamin D supplements | No | 408 | 58 (14.2) | 170 (41.7) | 180 (44.1) | 0.3218 |
Yes | 16 | 1 (6.3) | 5 (31.3) | 10 (62.5) | ||
Awareness of vitamin D | No | 356 | 48 (13.5) | 137 (38.5) | 171 (48) | 0.0081 |
Yes | 68 | 11 (16.2) | 38 (55.9) | 19 (27.9) | ||