Publications by authors named "Lorena Contreras"

The use of alcohol and other drugs is a major public health problem in adolescence. The implementation of evidence-based prevention strategies is still scarce in the global south. This study aimed to evaluate facilitators and barriers to the implementation of the Icelandic prevention model of adolescent substance use (IPM) in Chile.

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Background: Adolescent alcohol and cannabis use are common in Chile. The present study aimed to assess the relationship between perceived parenting practices and alcohol and cannabis use among adolescents in a Latin American context.

Methods: We adapted and implemented a substance use prevention strategy in Chile, which included surveys of tenth-grade students from six municipalities in the Metropolitan Region of Greater Santiago.

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A primary community prevention approach in Iceland was associated with strong reductions of substance use in adolescents. Two years into the implementation of this prevention model in Chile, the aim of this study was to assess changes in the prevalence of adolescent alcohol and cannabis use and to discuss the impact of the COVID-19 pandemic on the substance use outcomes. In 2018, six municipalities in Greater Santiago, Chile, implemented the Icelandic prevention model, including structured assessments of prevalence and risk factors of substance use in tenth grade high school students every 2 years.

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Background: The Alcohol Prevention Magnitude Measure (APMM) is an instrument to monitor and improve substance use prevention at the community level developed in Sweden. The aim of this study was to produce and apply a Spanish-language version of the APMM.

Method: We translated and adapted the APMM using an expert panel.

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Background: In Chile, concerns mount about escalating cannabis use. Thus, it is important to have tools for early identification of at-risk users. The Cannabis Use Problems Identification Test (CUPIT) is a useful screening tool, and the aim of this study was to examine the psychometric properties of its Spanish version among Chilean university students.

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Background: In 1996 there was a massive lead poisoning in a southern rural community in Chile. The contamination source was a mill whose grinding stone was repaired with lead and contaminated the flour.

Aim: To assess the presence of sequelae ten years later, among subjects that were exposed to lead on that occasion.

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