Table 2.

Characteristics of Participants in the Study.

Variable	Range	WAVE I Full Data Set (N = 20,180)		Subsamples		Wave IV Full Data Set (N = 10,813)
		Design-Based M (se)	Unweighted M (SD)	Healthy (N = 897) M (SD)	Chronic Ill (N = 629) M (SD)	Design-Based M (se)
Age	12–19	15.85 (.12)	16.11 (1.70)	16.07 (1.73)	16.0 (1.69)	15.82 (.12)
Gender	%female	50.5%	50.5%	47%	63%	52%
Race	%minority	27.9%	42.3%	42%	32%	27%
Parent Educ	1–5	2.67 (.05)	2.68 (1.14)	2.71 (1.14)	2.59 (1.07)	2.76 (.05)
Grade Avg	1–4	2.85 (.02)	2.75 (.77)	2.79 (.77)	2.72 (.76)	2.90 (.02)
Belong Scale	1–5	3.71(.02)	3.68 (.75)	3.74 (.71)	3.59 (.82)	3.74 (.02)
Health Report	1–5	4.01 (.01)	3.97 (.76)	4.06 (.73)	3.74 (.82)	4.03 (.02)
Symptoms Score	0–31	0.78 (.01)	0.76 (.45)	7.70 (4.50)	10.60 (5.78)	0.77 (.01)
Complete HS	%Yes	92.7%	92.3%	94.4%	90.1%	93.7%

Note: Gender: 0 = male, 1 = female; race: 0 = white, 1 = minority; HS completion: 0 = No, 1 = Yes.