Table 1.

Characteristics and vitamin D status indicators of the study group (mean +/- SD).

	Females (n = 200)		Males (n = 167)
	Mean	SD	Mean	SD	p value
Age	49.2	12	48.5	11.6	NS
BMI	28.5	6.9	27.9	4.6	NS
25(OH)D winter (nmol/L)	44.6	15.8	42.7	14.0	NS
PTH winter (pmol/L)	4.3	1.8	3.8	1.9	p < 0.05
25(OH)D summer (nmol/L)*	58.4	17.7	60.5	18.5	NS
PTH summer (pmol/L)*	3.9	1.7	3.6	1.7	NS

* n = 316; 138 males, 178 females