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document
Project Towards No Drug Abuse : long-term substance use outcomes evaluation . OBJECTIVES This paper presents up to 5 years post-program outcomes of Project Towards No Drug Abuse ( Project TND ) , a drug abuse prevention program conducted in South California alternative high school system during years 1994-1999 . METHODS The effects of a 9-session health motivation -- social skills -- decision-making curriculum were evaluated . Twenty-one schools recruited were randomly assigned to standard care ( control ) , classroom only , or a classroom plus semester-long school-as-community component . Last 30-day use of cigarettes , alcohol , marijuana , and hard drugs were assessed at three time intervals : short-term ( year 1 ) , middle-term ( years 2 or 3 ) , and long-term ( years 4 or 5 ) . Multilevel random coefficients modeling were employed to estimate the adjusted levels of substance use . RESULTS Among 1578 baseline subjects , follow-up data were available for 68 % ( year 1 ) , 66 % ( years 2 or 3 ) , and 46 % ( years 4 or 5 ) of subjects , respectively . Results revealed significant positive long-term program effects for hard drug use at year 4 or 5 for the two program interventions ( P = 0.02 ) . CONCLUSIONS Project TND reduced hard drug use in the 46 % who were successfully followed . It is the first program to demonstrate long-term self-reported behavioral effects on hard drug use among high-risk youth by using a school-based , limited-session model .
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Intervention_Educational
health motivation -- social skills -- decision-making
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Intervention_Educational
standard care ( control ) , classroom only
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Intervention_Educational
classroom plus semester-long school-as-community component
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Participant_Condition
No Drug Abuse
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Participant_Condition
No Drug Abuse
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Participant_Sample-size
Twenty-one
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Participant_Sample-size
1578
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Participant_Age
youth