Table 1 Anthropometric data and serum 25-hydroxyvitamin D concentration in young (20 to 40 years old) and old (60 to 80 years old) healthy Caucasian individuals living in São Paulo, Brazil
From: Screening for vitamin D deficiency in a tropical area: results of a sun exposure questionnaire
All (N = 200) | Young (N = 100) | Old (N = 100) | p a | |
|---|---|---|---|---|
Age (years, mean ± SD) | 49.6 ± 19.4 | 31.5 ± 7.0 | 67.8 ± 6.4 | – |
Sex (Men: Women, N) | 52: 148 | 19: 81 | 33: 67 | 0.02 |
BMI (kg/m2, mean ± SD) | 26.44 ± 4.76 | 25.85 ± 3.57 | 27.04 ± 4.62 | 0.05 |
25OHD (ng/mL, mean ± SD) | 17.6 ± 7.3 | 18.27 ± 7.13 | 16.93 ± 7.45 | 0.29 |
25OHD < 20 ng/mL (N, %) | 133 (66.5%) | 66 (66%) | 67 (67%) | 0.36 |