The eleventh Nacional Survey of Drugs in School Population carried out by Chilean National Service of Drugs and Alcohol (SENDA), with sample of 54 thousand students, shows the behavior of the prevalence of tabacco, alcohol and marijuana use among young Chilean in long-term.
The series presented reports the prevalence of tabacco, alcohol and marijuana use between the years 2001-2015.
The report shows that tabacco consumption has decrease substantially for the last month among young people in these 14 years of evaluation. Going from 42.0% to 24.9% and decreases from 26.7% to 24.9% in the last measurement. The prevalence of alcohol consumption reflects changes that are not statistically significant standing in 2001 at 38.9% and in 2015 with 35.6%, a figure that is repeated in 2013. The consumption per year from 2001 to 2015 has increase in 1.5 percentage points reaching 63.0%. Marijuana consumption rates show significant variations by month with declared 7.9% in 2001 compared to 20.1% in 2015. In comparison to 2013 consumption rose by 1.3 points from 18.8% to 20.1%. Regarding the prevalence of annual consumption, it increased from 14.8% in 2001 to 34.2% in 2015. About the previous measurement of the year 2013 the annual prevalence has increased 3.6% point above from 30,6% in 2013 to 34,2% in 2015.