Table 2.

Associations of 25-hydroxyvitamin D with answers from a sun behaviour questionnaire.

Question number	Question content	Answer scores				P value
		0	1	2	3
1	Personal sun relationship	28 ± 6	31 ± 15	37 ± 19	38 ± 23	0.06
		n = 8	n = 60	n = 34	n = 9
2	Skin reaction to sun	28 ± 12	33 ± 16	35 ± 16	33 ± 20	0.25
		n = 17	n = 25	n = 49	n = 20
3	Scalp hair as a child	33 ± 15	34 ± 17			0.79
		n = 42	n = 69
4a	Memory of sunburns	33 ± 17	34 ± 16	34 ± 18		0.68
		n = 51	n = 39	n = 21
4b	Ever sunburns	18 ± 8	34 ± 17			0.07
		n = 4	n = 107
5a	Beach or open-air pools	31 ± 14	37 ± 19			0.05
		n = 63	n = 48
5b	Sunbathing at home	31 ± 14	38 ± 21			0.04
		n = 73	n = 38
5c	Gardening	35 ± 17	32 ± 16			0.37
		n = 68	n = 43
5d	Water sports or shipping	34 ± 17	31 ± 13			0.55
		n = 99	n = 12
5e	Other outdoor sports	30 ± 15	40 ± 18			0.003
		n = 74	n = 37
5f	Outdoor work	32 ± 16	36 ± 18			0.29
		n = 85	n = 26
5g	Holidays in sunny countries	29 ± 15	30 ± 16	34 ± 16	36 ± 17	0.07
		n = 13	n = 23	n = 21	n = 54
5h	Solarium	33 ± 17	34 ± 16			0.92
		n = 92	n = 19	n = 0
5i	Light or UV therapy	33 ± 16	35 ± 24			0.87
		n = 106	n = 5

25-hydroxyvitamin D data are shown in ng/mL as means ± standard deviation.

P values are derived from either Student's t-test or from analysis of variance (ANOVA) with P for trend.