Table 2a.

Sociodemographic characteristics of participants

Characteristic	Mean or Proportion (%)
	Full Sample n=65	Fighters n=32	Non-fighters n=33
Age, mean (years)	15.7	15	16
Race/ethnicity
Latino	33	34	33
Non-Latino African American	37	40	36
Non-Latino white	30	26	31
Primary language spoken at home
English	72	76	68
English and another language	8	10	7
Language other than English only	20	14	25
Household composition
Two parent	59	37	82
Single parent	28	40	14
Other living arrangement	13	23	4
Have doctor/nurse seen regularly for check-ups	69	67	71