Table 3.

25OHD comparisons among demographic and clinical variables in African American children with CD

Characteristic	Level	Mean 25OHD (ng/mL) (95% CI)1	p-value
Gender
	Male	17.4 (15.2 – 20.0)	0.065
	Female	14.2 (11.8 – 17.1)
CD Severity
	Non-complicated	16.1 (13.6 – 19.2)	0.857
	Complicated	15.8 (13.4 – 18.7)
History of Surgery
	No	15.9 (14.2 – 17.9)	0.659
	Yes	17.0 (11.9 – 24.3)
BMI
	Underweight	17.8 (14.3 – 22.1)	0.8732
	Normal	16.8 (14.7 – 19.2)	0.009
	Overweight	9.9 (7.1 – 13.8)	0.010
Season
	Winter	14.8 (12.4 – 17.7)	0.321
	Spring	16.9 (13.8 – 20.7)
	Summer	14.5 (11.0 – 19.1)
	Fall	19.1 (14.9 – 24.5)
Age (rs - 95% CI)3		−0.04 (−0.31 – 0.24)	0.783

¹25OHD values were not normally distributed. A log-transformation was applied prior to data analysis. The resulting means and confidence limits were then back-transformed to the original units (ng/mL).

²Spearman’s rank correlation and associated 95% confidence interval.