Table 2. Lifestyle factors and determinants of vitamin D status.

Variable	N (%)	Mean 25(OH)D† nmol/l	P-value‡
Sun protection factor use
Never	8 (10)	59.7
Occasionally	54 (64)	66.1
Always	22 (26)	67.1	0.4
Sun preference
Always in sun	20 (26)	67.5
Both sun and shade	57 (68)	65.0
Always in shade	7 (8)	66.6	0.8
Skin type
I	2 (2)	67.6
II	15 (18)	64.7
III	53 (63)	65.1
IV	14 (17)	69.2	0.6
Current estrogen contraceptive use
No	69 (82)	63.9
Yes	15 (18)	74.1	0.07
Recent travel to southern latitude §
No	61 (73)	62.9
Yes	23 (27)	73.3	0.03
Vitamin D supplement use
<5 µg/day	74 (88)	63.9
≥5 µg/day	10 (12)	79.6	0.02
Recent sunbed use ¶
No	80 (95)	64.9
Yes	4 (5)	83.8	0.06
Season
November–April	48 (57)	61.8
May–October	36 (43)	71.0	0.035

^†25(OH)D, 25-hydroxyvitamin D;

^‡Significance level attained from simple linear regression;

^§Within the last 6 months;

^¶Within the last 30 days.