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Guillén Grima, Francisco

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Guillén Grima

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Francisco

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Ciencias de la Salud

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0000-0001-9749-8076

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352

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Now showing 1 - 2 of 2
  • PublicationOpen Access
    A feasibility trial to examine the social norms approach for the prevention and reduction of licit and illicit drug use in European University and college students
    (BioMed Central, 2012) Pischke, Claudia R.; Zeeb, Hajo; Hal, Guido van; Vriesacker, Bart; McAlaney, John; Bewick, Bridgette M.; Akvardar, Yildiz; Guillén Grima, Francisco; Orosova, Olga; Salonna, Ferdinand; Kalina, Ondrej; Stock, Christiane; Helmer, Stefanie M.; Mikolajczyk, Rafael T.; Ciencias de la Salud; Osasun Zientziak
    Background: Incorrect perceptions of high rates of peer alcohol and tobacco use are predictive of increased personal use in student populations. Correcting misperceptions by providing feedback has been shown to be an effective intervention for reducing licit drug use. It is currently unknown if social norms interventions are effective in preventing and reducing illicit drug use in European students. The purpose of this paper is to describe the design of a multi-site cluster controlled trial of a web-based social norms intervention aimed at reducing licit and preventing illicit drug use in European university students. Methods/Design: An online questionnaire to assess rates of drug use will be developed and translated based on existing social norms surveys. Students from sixteen universities in seven participating European countries will be invited to complete the questionnaire. Both intervention and control sites will be chosen by convenience. In each country, the intervention site will be the university that the local principal investigator is affiliated with. We aim to recruit 1000 students per site (baseline assessment). All participants will complete the online questionnaire at baseline. Baseline data will be used to develop social norms messages that will be included in a web-based intervention. The intervention group will receive individualized social norms feedback. The website will remain online during the following 5 months. After five months, a second survey will be conducted and effects of the intervention on social norms and drug use will be measured in comparison to the control site. Discussion: This project is the first cross-national European collaboration to investigate the feasibility of a social norms intervention to reduce licit and prevent illicit drug use among European university students. Final trial registration number DRKS00004375 on the ‘German Clinical Trials Register’.
  • PublicationOpen Access
    Illicit substance use among university students from seven European countries: a comparison of personal and perceived peer use and attitudes towards illicit substance use
    (Elsevier, 2014) Helmer, Stefanie M.; Mikolajczyk, Rafael T.; McAlaney, John; Vriesacker, Bart; Guillén Grima, Francisco; Ciencias de la Salud; Osasun Zientziak
    Objective: To compare European students' personal use and approval of illicit substance use with their perceptions of peer behaviours and attitudes, and investigate whether perceptions of peer norms are associated with personal use of illicit substances and attitudes. Method: This study used baseline data from the Social Norms Intervention for the prevention of Polydrug usE (SNIPE) project involving 4482 students from seven European countries in 2012. Students completed an online survey which included questions on personal and perceived peer illicit substance use and personal and perceived peer attitude towards illicit substances. Results: 8.3% of students reported having used illicit substances at least once in their life. 49.7% of students perceived that the majority of their peers have used illicit substances more frequently than themselves. The perception was significantly associated with higher odds for personal illicit substance use (OR: 1.97, 95% CI:1.53–2.54). The perception that the majority of peers approve illicit substance use was significantly associated with higher odds for personal approval of illicit substance use (OR: 3.47, 95% CI: 2.73–4.41). Conclusion: Students commonly perceived that their peers used illicit subtances more often than themselves. We found an association between the perceived peer norms/attitudes and reported individual behaviour/attitudes.