Table 1.

Descriptive statistics for participants (n = 21). Saliva was collected and 18 whole saliva samples, 18 epithelial fractions, 20 immune fractions, and 4 Oragene kit whole samples passed DNA methylation quality control measures

	Mean (sd)	Count (%)	Range
Sex (male)		15 (71.4)
Race
White		10 (47.6)
Black		1 (4.8)
Biracial		10 (47.6)
Sick		3 (14.3)
Age (years)	11.8 (2.7)		(7.9, 16.9)
Cell count+	6.3 × 106 (9.8 × 106)		(7.2 × 105, 3.4 × 107)
Viability (%)+	69.2 (16.7)		(5.1, 81.5)
Volume (mL)+	3.5 (1.4)		(1.9, 6.5)

⁺Median used due to non-normal distribution