Table 7. Vitamin D status (lower quartile [<45.3 nmol/L], <50 nmol/L, upper quartile [≥69.8 nmol/L]) at time of diagnosis, in relation to mitotic activity (present vs. absent).

Vitamin D status	Crude OR	95% CI	P-value	Adjusted OR a	95% CI	P-value
≥45.3 nmol/L	Reference			Reference
<45.3 nmol/L	2.47	0.89, 6.80	0.08	2.21	0.56, 8.68	0.26
≥50 nmol/L	Reference			Reference
<50 nmol/L	1.60	0.61, 4.21	0.34	2.12	0.72, 6.19	0.17
≥69.8 nmol/L	Reference			Reference
<69.8 nmol/L	0.40	0.27, 2.39	0.70	0.40	0.10, 1.69	0.21

^a Adjusted for age, sex, season at diagnosis, ITA value, BMI, reported adult sun exposure, adult sunburns, naevi burden at diagnosis, primary school sunburns