Table 3.

Effects of Prime Time Intervention on Behavioral and Psychosocial Outcomes at 18 Months, Adjusted for Baseline Values

Variable	Sample Size	Intervention Mean Score or %	Control Mean Score or %	Adjusted RR, OR or Mean Difference (95%CI)	P-Value	d+
Aggressive and Violent Behavior Outcomes
Relational aggression perpetration, past 30 days++,a	235	1.70	1.90	aRR=0.90 (0.82, 0.98)	0.02	0.28
Relational aggression victimization, past 30 days++,a	236	2.27	2.38	aRR=0.95 (0.89, 1.02)	0.16
Physical violence perpetration, past 6 months++,b	235	1.07	1.00	aRR=1.08 (0.83, 1.41)	0.57
Physical violence victimization, past 6 months++,c	235	0.89	0.97	aRR=0.91 (0.77, 1.07)	0.26
Related Psychosocial and Behavioral Outcomes
Family connectedness++,d	235	2.13	1.96	0.18 (0.07, 0.28)	0.00	0.63
School connectedness++,&,d	206	2.16	2.18	−0.02 (−0.15, 0.12)	0.78
Fight avoidance skills++,e	237	3.76	3.65	0.11 (−0.52, 0.74)	0.74
Stress management skills ++,d	234	1.77	1.72	0.05 (−0.09, 0.20)	0.46
Suspended or expelled, past 6 months++,^,&	205	17.96%	16.24%	aOR=1.16 (0.75, 1.78)	0.49
Currently in college or technical school +++, ^, &&	60	58.82%	38.46%	aOR=2.25 (1.30, 3.93)	0.00	0.52

⁺Effect sizes computed using Cohen’s d with pooled standard deviation (Cohen & Cohen, 1983)) are noted for outcomes with significant differences between groups.

⁺⁺Regression model adjusted for baseline measure of outcome, within-clinic clustering.

⁺⁺⁺Regression model adjusted for within-clinic clustering.

^{^}Logistic regression used with this dichotomous outcome.

^&Model excludes participants who were not in school at 12-month and 18-month follow-up points.

^&& Model includes only participants who had graduated from high school or received a GED.

^aCount ranged from 0 (low) to 6 (high).

^bCount ranged from 0 (low) to 5 (high).

^cCount ranged from 0 (low) to 4 (high).

^dScores ranged from 0 (low) to 3 (high).

^eScores ranged from 0 (low) to 5 (high).