Table 1

Demographic comparison of participants and non-participants.

Demographics Sample average (n = 87) Participants (n = 38) Non-participants (n = 49) p-value
Race/Ethnicity (%)       0.30
Black 27.9 18.9 34.7  
Hispanic 29.1 37.8 22.4  
White 32.6 32.4 32.7  
Mixed 10.5 10.8 10.2  
Gender (%)       0.05
Male 54.1 66.7 44.9  
Female 45.9 33.3 55.1  
Age (mean years) 15.6 15.4 15.7 0.41
Grade level (mean) 9.9 9.9 10 0.82

Percentages for race/ethnicity and gender were compared using Chi-square test; age and grade level were compared using independent sample t-test.

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