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

	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

25OHD 25-hydroxyvitamin D, BMI body mass index

^aChi-squared or Mann-Whitney