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Your journey
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More info
You can access this
clinical trial
if you have
Cigarette Smoking or Alcohol Drinking
and you are
between 14 and 18
years old
This is an observational trial.
You are contributing to medical knowledge about your condition.
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The purpose

Adolescent substance abuse (SA), which includes the consumption of alcohol, cigarette smoking, the consumption of drugs and other behaviors, is a significant public-health issue in the world today. Recent data showed that prevalence of SA among adolescents in Croatia and surrounding countries (i.e. former Yugoslav republics) is alarming and needs serious intervention. It is hypothesized that participation in physical-exercise-and-sport (PE&S) will reduce the tendency of young people to abuse substances. However, the literature to date has not consistently validated the perception PE&S factors are factors which could buffer SA among children and adolescents. One of the probable reasons for evident inconsistencies on findings about relationship between PE&S and SA is a cross-sectional nature of studies done so far. Therefore, the main rationale (i.e. problem) of this study is lack of current knowledge about influence of the PE&S on SA among adolescents. The main objective of this study is to prospectively investigate the influence of PE&S on SA among adolescents aged 17 to 18 years old. Aims of the project are: (1) to define prevalence and trends of SA among adolescents aged 17 to 18 years old; (2) to define prevalence and trends of PE&S participation; (3) to establish interrelationships which exist between socio-demographic, psychological, educational-factors, and PE&S (predictors); (4) to identify multivariate and univariate associations between: socio-demographic and SA, psychological factors and SA, PE&S and SA, educational - scholastic factors and SA.Expected results of the project are: (1) definition of the prevalence of SA among adolescents; (2) definition of the adolescents' participation in PE&S; (3) identification and interpretation relationships which exist between and within studied predictors of SA (educational factors, socio-demographic factors, PE&S, psychological factors); (4) identification of the influence of studied predictors on SA.

Provided treatments

  • Behavioral: Regular scholastic system and organized sports
  • Behavioral: Regular scholastic system

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT02629679. The sponsor of the trial is University Hospital of Split and it is looking for 1000 volunteers for the current phase.
Official trial title:
Prospective Analysis of the Factors Associated With Substance Use and Misuse in Adolescents