Participants were national sample of 2,565 fourth to twelfth graders and vocational students year 1-3 (mean 13.9 years) from 12 provinces across Thailand. Data were collected in December 2013. Exposure to alcohol advertisements through television and social media were measured by using two self-reported questionnaires for frequency. Intention to drink was assessed by 2 questions:1) intention to drink in the next year and 2) intention to drink when move up to the next level of education either junior high/high school/or college. Score range from 2-6.