Table 2.
The distribution and relationship between 25OHD levels and the variables that can affect it
| 25OHD Level | |||
|---|---|---|---|
| Deficiency | Insufficiency | ||
| (20–29.9 ng/dL) | (< 20 ng/dL) | p | |
| Smoking (per day) | |||
| Nonsmoker | 8 | 18 | > 0.05 |
| Less than one pack/day | 4 | 6 | |
| More than one pack/day | 2 | 2 | |
| Tea/coffee consumption | |||
| None | 1 | 2 | > 0.05 |
| 2 large cups/day or less | 4 | 8 | |
| 2–5 large cups/day | 6 | 9 | |
| 5 large cups/day or more | 3 | 7 | |
| Skin color | |||
| Light | 17 | 11 | > 0.05 |
| Fair-skinned | 6 | 2 | |
| Brunette | 3 | 1 | |
| Physical activity (Daily) | |||
| Low (< 1 h/day) | 20 | 4 | > 0.05 |
| Moderate (1 h/day) | 5 | 9 | |
| Adequate (> 1 h/day) | 1 | 1 | |
| Diet (Fish consumption) | |||
| Less than once a month | 4 | 5 | > 0.05 |
| Once a month | 5 | 3 | |
| Once every two weeks | 12 | 2 | |
| Once to twice a week | 5 | 4 | |
| Sun exposure | |||
| Less than one hour/day | 23 | 6 | > 0.05 |
| 1–2 h/day | 3 | 8 | |
| Clothing style | |||
| Hijab clothing | 25 | 12 | > 0.05 |
| Non-hijab clothing | 1 | 2 | |
| Body-mass index (BMI) kg/m2 | |||
| 18.5–24.99 - Ideal weight | 5 | 3 | > 0.05 |
| 25–29.99 - Overweight | 11 | 8 | |
| > 30.0 - Obese | 10 | 3 | |
| Total | 26 | 14 | |