The baseline sample included 51.2% (N=545) boys and 48.8% (N=520) girls. Participants were evenly distributed across grade level with an age range of 11–14 years. The racial/ethnic composition of the sample was as follows: 13.2% (N=141) non-Hispanic White, 11.8% (N=126) non-Hispanic Black, 56.9% (N=610) Hispanic/Latino, 2.2% (N=24) Asian/Pacific Islander, 0.2% (N=2) Native American, 0.8% (N=9) Middle Eastern, 9.3% (N=100) Biracial/Multiracial, and 4.2% (N=45) Other racial/ethnic groups. Twenty-seven percent (N=293) of participants reported living in single-parent households. School records indicated that 62.3% of students qualified for free or reduced lunch in the 2004–2005 school year.
