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- Publisher Website: 10.1016/j.drugalcdep.2019.107718
- Scopus: eid_2-s2.0-85075884359
- PMID: 31761477
- WOS: WOS:000510804600051
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Article: Decision-making skills as a mediator of the #Tamojunto school-based prevention program: Indirect effects for drug use and school violence of a cluster-randomized trial
Title | Decision-making skills as a mediator of the #Tamojunto school-based prevention program: Indirect effects for drug use and school violence of a cluster-randomized trial |
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Authors | |
Keywords | Decision-making skills Prevention programs Mediation School-violence Drug use |
Issue Date | 2020 |
Citation | Drug and Alcohol Dependence, 2020, v. 206, article no. 107718 How to Cite? |
Abstract | © 2019 Elsevier B.V. Background: The aim of the present study was to evaluate a formal mediation analysis effect of the #Tamojunto program on adolescents’ drug use and violent behavior in schools through decision-making skills using a potential outcomes approach. Methods: An in-cluster randomized controlled trial was conducted in 2014–2015 with 6691 7th- and 8th-grade students in 72 public schools in 6 Brazilian cities to evaluate the effects of the European drug prevention program Unplugged, called #Tamojunto in Brazil. Baseline data were collected prior to program implementation, and follow-up data were collected 9 and 21 months later. Mediation analysis using a potential outcomes approach, in which counterfactuals are modeled if positivity is met, was used to evaluate the indirect effects of the program #Tamojunto on the third-wave of drug use (alcohol, tobacco, marijuana, inhalants, and binge drinking) and school violence (bullying or physical, verbal and sexual aggression) assessment through decision-making skills. Results: When controlling for all covariates, the Total Natural Indirect Effect (TNIE) was significant only for past-year drug use (TNIE = 0.003, 95%CI = 0.001; 0.007). In the adjusted models, 37.5% of the effect of the intervention on drug use was mediated by decision-making skills. Conclusions: The #Tamojunto program increased drug use through decreasing decision-making skills. The findings demonstrate that this program changes decision-making skills but in the opposite direction proposed by the theoretical model of the program, suggesting that modifications are needed to produce the intended effect of the program. |
Persistent Identifier | http://hdl.handle.net/10722/288772 |
ISSN | 2023 Impact Factor: 3.9 2023 SCImago Journal Rankings: 1.632 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Valente, Juliana Y. | - |
dc.contributor.author | Cogo-Moreira, Hugo | - |
dc.contributor.author | Sanchez, Zila M. | - |
dc.date.accessioned | 2020-10-12T08:05:50Z | - |
dc.date.available | 2020-10-12T08:05:50Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Drug and Alcohol Dependence, 2020, v. 206, article no. 107718 | - |
dc.identifier.issn | 0376-8716 | - |
dc.identifier.uri | http://hdl.handle.net/10722/288772 | - |
dc.description.abstract | © 2019 Elsevier B.V. Background: The aim of the present study was to evaluate a formal mediation analysis effect of the #Tamojunto program on adolescents’ drug use and violent behavior in schools through decision-making skills using a potential outcomes approach. Methods: An in-cluster randomized controlled trial was conducted in 2014–2015 with 6691 7th- and 8th-grade students in 72 public schools in 6 Brazilian cities to evaluate the effects of the European drug prevention program Unplugged, called #Tamojunto in Brazil. Baseline data were collected prior to program implementation, and follow-up data were collected 9 and 21 months later. Mediation analysis using a potential outcomes approach, in which counterfactuals are modeled if positivity is met, was used to evaluate the indirect effects of the program #Tamojunto on the third-wave of drug use (alcohol, tobacco, marijuana, inhalants, and binge drinking) and school violence (bullying or physical, verbal and sexual aggression) assessment through decision-making skills. Results: When controlling for all covariates, the Total Natural Indirect Effect (TNIE) was significant only for past-year drug use (TNIE = 0.003, 95%CI = 0.001; 0.007). In the adjusted models, 37.5% of the effect of the intervention on drug use was mediated by decision-making skills. Conclusions: The #Tamojunto program increased drug use through decreasing decision-making skills. The findings demonstrate that this program changes decision-making skills but in the opposite direction proposed by the theoretical model of the program, suggesting that modifications are needed to produce the intended effect of the program. | - |
dc.language | eng | - |
dc.relation.ispartof | Drug and Alcohol Dependence | - |
dc.subject | Decision-making skills | - |
dc.subject | Prevention programs | - |
dc.subject | Mediation | - |
dc.subject | School-violence | - |
dc.subject | Drug use | - |
dc.title | Decision-making skills as a mediator of the #Tamojunto school-based prevention program: Indirect effects for drug use and school violence of a cluster-randomized trial | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.drugalcdep.2019.107718 | - |
dc.identifier.pmid | 31761477 | - |
dc.identifier.scopus | eid_2-s2.0-85075884359 | - |
dc.identifier.volume | 206 | - |
dc.identifier.spage | article no. 107718 | - |
dc.identifier.epage | article no. 107718 | - |
dc.identifier.eissn | 1879-0046 | - |
dc.identifier.isi | WOS:000510804600051 | - |
dc.identifier.issnl | 0376-8716 | - |