Table 1.

Outcome variables definition, Thailand GSHS 2021

Domain	Variable	Question	Recode
Lifestyle	Sedentary lifestyle	During the past 7 days, how many days were you physically active for a total of at least 60 min per day?	1 = one or more days, 0 = zero days
	Poor oral hygiene	During the past 30 days, how many times per day did you usually clean or brush your teeth?	1 = less than one time a day, 0 = one or more times a day
	Inadequate fruit/vegetable	During the past 7 days, how many times did you eat vegetables, such as Chinese cabbage, water morning glory, Chinese kale, cucumber, and cabbage or how many times did you eat fruit, such as bananas, papaya, pineapple, guava, watermelon, mango, and oranges?	1 = less than one time a day, 0 = one or more times a day
	Drink soft drinks	During the past 7 days, how many times did you drink a can, bottle, or glass of a carbonated soft drink?	1 = at least one time, 0 = zero times
	Eat fast foods	During the past 7 days, how many days did you eat food from a fast food restaurant, such as a school canteen, hawker, or market?	1 = one or more days, 0 = zero days
Mental health	Often felt lonely	During the past 12 months, how often have you felt lonely?	1 = most of the time/often, 0 = never/rarely/sometimes
	Often insomnia due to anxiety	During the past 12 months, how often have you been so worried about something that you could not sleep at night?	1 = most of the time/often, 0 = never/rarely/sometimes
	Suicidal thoughts	During the past 12 months, did you ever seriously consider attempting suicide?	1 = yes, 0 = no
	Suicidal attempts	During the past 12 months, did you make a plan about how you would attempt suicide?	1 = yes, 0 = no
Current substance use	Cigarette	During the past 30 days, how many days did you smoke cigarettes?	1 = at least one day, 0 = zero days
	Other tobacco	During the past 30 days, how many days did you use any tobacco products other than cigarettes, such as roll-your-own tobacco or baraku?	1 = at least one day, 0 = zero days
	Alcohol	During the past 30 days, how many days did you have at least one drink containing alcohol?	1 = at least one day, 0 = zero days
	Marijuana	During the past 30 days, how many times have you used marijuana (also called weed)?	1 = one or more times, 0 = zero times
Sex behaviors	Ever had sex	Have you ever had sexual intercourse?	1 = yes, 0 = no
	had sex with ≥ 2 persons	During your life, with how many people have you had sexual intercourse?	1 = two or more, 0 = no sex or one person
	Not used condom in last sex*	The last time you had sexual intercourse, did you or your partner use a condom?	1 = yes, 0 = no
Violence	Physical attacked	During the past 12 months, how many times were you physically attacked?	1 = one or more times, 0 = zero times
	Physical fight	During the past 12 months, how many times were you in a physical fight?	1 = one or more times, 0 = zero times
	Seriously injured	During the past 12 months, how many times were you seriously injured?	1 = one or more times, 0 = zero times
	Traditional bullying	During the past 12 months, have you ever been bullied	1 = yes, 0 = no
Food insecurity	Often went hungry	During the past 30 days, how often did you go hungry because there was not enough food in your home?	1 = most of the time/often, 0 = never/rarely/sometimes
Truancy	Missed school without permission	During the past 30 days, on how many days did you miss classes or school without permission?	1 = at least one day, 0 = zero days
Social isolation	No close friend	How many close friends do you have?	1 = no close friend, 0 = at least one