Effectiveness of a Brief Intervention based on Motivational Interviewing in Colombian Adolescents

Reyes-Rodríguez, Maria Fernanda; Mejía-Trujillo, Juliana; Pérez-Gómez, Augusto; Cardozo, Francisco; Pinto, Catalina

doi:10.1590/0102.3772e33421

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Psicologia Clínica e Cultura • Psic.: Teor. e Pesq. 33 • 2017 • https://doi.org/10.1590/0102.3772e33421 copy

Effectiveness of a Brief Intervention based on Motivational Interviewing in Colombian Adolescents

Efetividade de uma intervenção Breve baseada na Entrevista Motivacional com Adolescentes Colombianos

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Prevention science has identified evidence-based strategies for reducing alcohol and other drug use among adolescents, such as Brief Interventions (BI) and Motivational Interviewing (MI). However, there is little evidence about the effectiveness of these practices in Colombia. This study aimed to analyze the effectiveness of the preventive program Brief Intervention based on Motivational Interviewing (BIMI) in reducing alcohol use in adolescents. The program was administered to 3,159 secondary students through a within-subjects design. The results showed that BIMI is a preventive strategy that diminishes the frequency and quantity of alcohol consumption. The study examines how the elapsed time between sessions influences the results. Implications for prevention and evaluation methodologies are discussed.

Keywords:
prevention; brief intervention; motivational interviewing; adolescents

Risk Level	Low	Moderate	High	Severe
First Intervention	29%	53%	16%	2%
Follow-up	58%	33%	9%	1%

Instituto de Psicologia, Universidade de Brasília Instituto de Psicologia, Universidade de Brasília, 70910-900 - Brasília - DF - Brazil, Tel./Fax: (061) 274-6455 - Brasília - DF - Brazil
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[1] 1 Address for correspondence: Calle 108 A # 4-15 Bogotá, Colombia. E-mail: mfreyes@nuevosrumbos.org

Community	Alcohol use in the past month
Community	First intervention	Follow-up
C1^a a) Communities with schools where the time elapsed between the first intervention and the follow-up were from one to three months; ^b b) Communities with schools with time elapsed between first intervention and follow-up was longer than three months.	34%	36%
C2^b b) Communities with schools with time elapsed between first intervention and follow-up was longer than three months.	50%	52%
C3^a a) Communities with schools where the time elapsed between the first intervention and the follow-up were from one to three months;	46%	30%^ p <.001.
C4^a a) Communities with schools where the time elapsed between the first intervention and the follow-up were from one to three months;	58%	25%^ p <.001.
C5^a a) Communities with schools where the time elapsed between the first intervention and the follow-up were from one to three months;	37%	36%
C6^a a) Communities with schools where the time elapsed between the first intervention and the follow-up were from one to three months;	54%	27%^ p <.001.
C7^a a) Communities with schools where the time elapsed between the first intervention and the follow-up were from one to three months;	47%	26%^ p <.001.
C8^a a) Communities with schools where the time elapsed between the first intervention and the follow-up were from one to three months;	51%	29%^ p <.001.

Time between first session and Follow-up	Alcohol Last month 1st intervention	Alcohol last month follow-up
1 to 3 months	45%	32%^ p< 0.001
Longer than 3 months	38%	37%

Risk Level	Alcohol use last month first intervention	Alcohol use last month Follow-up
Risk Level	YES	YES
Low*	0%	15.1%
Moderate*	53.5%	37.2%
High*	77.4%	49.5%
Severe*	87.0%	44.2%