Table 1.

Variable description.

Variables	Question	Response Options
Injury	During the past 12 months, how many times were you seriously injured? (An injury is serious when it makes you miss at least one full day of usual activities (such as school, sports, or a job) or requires treatment by a doctor or medical personnel.)	1 = 0 times 8 = 12 or more times
	During the past 12 months, what was the most serious injury that happened to you?	1 = I was not seriously injured during the past 12 months 2 = I had a broken bone or a dislocated joint, etc. See Table 2
	During the past 12 months, what was the major cause of the most serious injury that happened to you?	1 = I was not seriously injured during the past 12 months 2 = I was in a motor vehicle accident or hit by a motor vehicle, etc. See Table 2
Physical education	During this school year, on how many days did you go to physical education class (PE) each week?	1 = 0 days to 5 = 6 or more days
Soft drink consumption	During the past 30 days, how many times per day did you usually drink carbonated soft drinks such as Coca Cola, Sprite, and Pepsi? (Do not include diet soft drinks.)	1 = I did not drink carbonated soft drinks during the past 30 days 8 = 5 or more times per day
Current smoking cigarettes	During the past 30 days, on how many days did you smoke cigarettes?	1 = 0 days to 7 = All 30 days
Current other tobacco use	During the past 30 days, on how many days did you use tobacco products other than cigarettes such as shisha/hookah, electronic cigarettes, snuff, chewing tobacco, pipes, curut, cigars, cigarillos or bidis?	1 = 0 days to 7 = all 30 days
Current alcohol use	During the past 30 days, on how many days did you have at least one drink containing alcohol?	1 = 0 days to 7 = All 30 days
Lifetime cannabis use	During your life, how many times have you used marijuana?	1 = 0 times to 5 = 20 or more times
Truancy	During the past 30 days, on how many days did you miss classes or school without permission?	1 = 0 days to 10 or more days
Bullied	During the past 30 days, on how many days were you bullied?	1 = 0 days to 7 = All 30 days
Psychological distress	During the past 12 months, did you ever seriously consider attempting suicide?	1 = yes, 2 = no
	During the past 12 months, how often have you felt lonely?	1 = never to 5 = always
	How many close friends do you have?	1 = 0 to 4 = 3 or more
	During the past 12 months, how often have you been so worried about something that you could not sleep at night?	1 = never to 5 = always
Peer support	During the past 30 days, how often were most of the students in your school kind and helpful?	1 = never to 5 = always
Parental or guardian bonding	During the past 30 days, how often did your parents or guardians really know what you were doing with your free time?	1 = never to 5 = always