Table 1.

Gender, race/ethnicity and average ages for each of the datasets included in this project

	Dataset
	A	B	C	D	E	F	G	H	RCT-1	RCT-2
N	369	896	5,909	2,782	5,308	1,174	1,704	382	15,705	6,763
Gender (percent)
Female	51.2	53.2	54.8	50.7	49.6	47.1	47.2	100.0	56.4	55.7
Male	48.8	46.8	45.2	49.3	50.4	52.9	52.8	0.0	43.6	44.3
Racial/Ethnic (percent)
Black/African American	80.8	22.7	- - -	10.5	- - -	0.7	12.9	22.3	11.3	13.5
White	4.9	69.7	- - -	40.6	- - -	94.0	83.6	55.9	58.5	70.3
Native American	0.0	1.3	- - -	4.0	- - -	0.0	0.0	1.3	5.0	0.6
Hispanic	0.0	1.6	- - -	27.2	- - -	1.9	0.0	10.5	22.0	5.5
Asian	0.0	2.9	- - -	9.7	- - -	0.6	0.0	2.6	4.9	2.4
Pacific Islander	0.0	0.0	- - -	2.0	- - -	0.0	0.0	0.3	- - -	0.9
Other	14.3	1.8	- - -	6.1	- - -	2.9	3.5	7.1	9.0	6.7
Average Age
Wave 1	10.3	12.1	12.5	11.5	13.9	12.5	11.0	13.9	12.4	14.4
Wave 2	10.9	12.8	13.5	12.8	14.3	13.0	11.5	14.4	12.9	15.2
Wave 3	11.8	13.6	14.5	13.8	14.1	14.2	12.4	15.1	13.6	15.7
Wave 4	12.7			20.1	14.7	14.7	13.5		14.4
Wave 5	13.4						15.5		14.9
Wave 6	13.5						15.9		15.4
Wave 7	13.8						17.8		16.4