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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: Prev Sci. 2014 Aug;15(4):460–472. doi: 10.1007/s11121-013-0387-5

Table 1.

Baseline Characteristics of Prime Time Study Participants by Intervention Condition

Intervention Group (n = 126) Control Group (n = 127) p-value*

Age, mean (se) 15.7 (0.07) 15.49 (0.21) 0.334
Race/Ethnicitya 0.118
 American Indian/Native American 3% 2%
 Asian/Asian American/Pacific Islander 10% 13%
 Black/African/African American 45% 38%
 Hispanic /Latina 17% 8%
 White/European American 6% 16%
 Mixed/Multiple 19% 23%
# Adults/guardians in homeb (n=252) 0.152
 No adult guardian 4% 2%
 1 adult guardian 46% 44%
 2 adult guardians 38% 46%
 Other arrangements 12% 8%
# Places lived, past 6 months 0.811
 1 place 58% 61%
 2 or more places 42% 39%
Receipt of public assistance, past yearc (n=252) 0.343
 No 43% 51%
 Yes 33% 32%
 Unsure 24% 17%
Currently enrolled in school (n=250) 94% 96% 0.096
History of school suspension (% Yes) (n=251) 65% 75% 0.138
Put someone down or called them names, past 30 days (n=250)
 Never 25% 21% 0.424
 1–2 times 42% 37%
 3 or more times 33% 42%
Ignored or left someone out on purpose, past 30 days (n=250) 0.509
 Never 45% 40%
 1–2 times 40% 40%
 3 or more times 15% 20%
Hit or beat someone up, past 6 months (n=251) 0.636
 Never 60% 55%
 1–2 times 32% 35%
 3 or more times 8% 10%
Someone put you down or called you names, past 30 days (n=249) 0.460
 Never 23% 25%
 1–2 times 48% 40%
 3 or more times 29% 35%
Someone ignored or left you out on purpose, past 30 days (n=248) 0.581
 Never 47% 45%
 1–2 times 37% 32%
 3 or more times 16% 23%
Someone hit or beat you up, past 6 months (n=251) 0.138
 Never 75% 69%
 1–2 times 22% 22%
 3 or more times 3% 9%
*

p-values associated with chi-square tests of differences between intervention and control groups. Analyses adjusted for within-clinic clustering

a

Mutually exclusive race categories; participants were allowed to select more than one category

b

May include biologic/adoptive mother, biologic/adoptive father, stepmother, stepfather, foster mother, foster father, grandmother, grandfather, other guardian

c

Public assistance includes welfare payments, M-FIP, public assistance, or food stamps