Does the Brazilian version of the strengthening families program (Familias Fortes) reduce adolescent substance use and change parental behavior? Evidence from a 2-year follow-up study.

ABSTRACT:

Background

The Brazilian adaptation of the Strengthening Families Program (SFP), known as Famílias Fortes (FF-BR 10-14), has demonstrated positive short-term effects on parental behavior. This study aims to evaluate the 12- and 24-month follow-ups of the FF-BR 10-14, focusing on parental outcomes and substance use prevention.

Methods

This is a parallel-cluster randomized controlled trial (RCT) involving 1610 participants (805 adolescents aged 10-14 and 805 caregivers). Conducted across 60 Social Assistance Reference Centers (SARC) in 12 municipalities in Brazil, the trial evaluates the effectiveness of the FF-BR 10-14 program. This study presents data collected at three time points: baseline, 12 and 24 months of follow-up. Multilevel mixed-effects models assessed the program

SUBMITTER: Sanchez ZM 

PROVIDER: S-EPMC11934707 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature