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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Pediatr Blood Cancer. 2013 Nov 5;61(4):723–728. doi: 10.1002/pbc.24844

Table III.

Multi-variable logistic regression for associations related to vitamin D insufficiency (20–29 ng/ml) or deficiency (<20 ng/ml) in the cancer and control groups combined (N=268).

Characteristic Odds Ratio 95% Confidence Intervals P-value
BMI >85th percentile 3.78 (2.11, 6.77) <0.001
Having cancer vs. non-cancer 1.30 (0.71, 2.37) 0.392
Non-Caucasian or Hispanic 4.03 (1.92, 8.49) <0.001
Male sex 1.10 (0.63, 1.92) 0.744
Age in years at survivorship visit (15 vs. 8) 1.95 (1.24, 3.06) 0.004
Vitamin D level drawn Spring vs. Winter 0.70 (0.32, 1.53) 0.367
Vitamin D level drawn Summer vs. Winter 0.21 (0.10, 0.48) <0.001
Vitamin D level drawn Fall vs. Winter 0.40 (0.17, 0.91) 0.028

Odds ratio comparisons are comparing the 75th vs. 25th percentiles.