Preventing substance use among Latino youth: Initial results from a multistate family-based program focused on youth academic success

Figures & data

Figure 1. Conceptual model of the ¡Unidos Se Puede! Intervention.

Table 1. Demographics and attrition

	N = 265	%
Male	130	49.00%
Female	135	51.00%
Free reduced Lunch	239	90.00%
Mexican Origin	236	89.00%
Central American	16	6.00%
South America	13	5.00%
Survey Language – English	233	88.00%
Survey Language – Spanish	32	12.00%
Live in US whole life^a	151	57.00%
Completed Intervention	212	80.00%
Completed 4 year follow up	95	36.00%

^aThe only variable different between sites and by attrition.

Table 2. Results of ITS model and comparison NLSY sample

Intervention
	Tobacco			Alcohol			Illegal Drugs
Frequency of Use	IRR	SE	p	IRR	SE	p	IRR	SE	p
Pre-Slope	1.08	0.06	0.19	0.94	0.05	0.16	1.04	0.06	0.52
Post-Slope	1.01	0.01	0.37	1.01	0.01	0.47	1.00	0.01	0.65
Sex	0.52	0.16	0.00	0.73	0.20	0.13	0.59	0.23	0.02
Use vs No Use	OR	SE	p	OR	SE	p	OR	SE	p
Pre-Slope	0.96	0.05	0.37	0.86	0.06	0.01	0.91	0.07	0.20
Post-Slope	0.99	0.01	0.10	0.99	0.01	0.30	0.97	0.01	0.00
Sex	1.07	0.26	0.79	1.53	0.28	0.13	1.11	0.29	0.72
NLSY
	Tobacco			Alcohol			Cannabis
Frequency of Use	IRR	SE	p	IRR	SE	p	IRR	SE	p
Pre-Slope
Post-Slope	1.36	0.09	0.00	1.25	0.11	0.04	1.29	0.17	0.13
Sex	1.28	0.19	0.20	0.95	0.17	0.77	1.06	0.25	0.82
Use vs No Use	OR	SE	p	OR	SE	p	OR	SE	p
Pre-Slope
Post-Slope	0.61	0.06	0.00	0.55	0.06	0.00	0.52	0.08	0.00
Sex	0.90	0.22	0.64	1.01	0.17	0.97	1.06	0.26	0.82

Intervention collected from 7^th to 10^th grade, with NLSY collected across similar ages. IRR stands for Incidence Rate Ratio. OR stands for Odds Ratio.

Figure 2. Trajectories of illegal drug use (OR = 0.97, p= .00) for the intervention group and of Cannabis (OR = 0.52, p= .00) for the NLSY group.