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Table 2 Gaming aspects and behavior, physical activity, sedentary and dietary behavior assessed in questionnaires

From: Active video games as a tool to prevent excessive weight gain in adolescents: rationale, design and methods of a randomized controlled trial

  Items and answering categories Instrument/source
Gaming aspects and behavior   
Time spent non-active gaming 1. How often do you play non-active games on weekdays? (1–5 days a week) De Jong et al., 2013 [50]
2. How long per day do you play non-active games on a weekday? (… hours; … minutes)
3. How often do you play non-active games on weekend days? (1–2 days a week)
4. How long per day do you play non-active games on a weekend day? (… hours; … minutes)
Time spent active gaming 1. How often do you play active games on weekdays? (1–5 days a week) De Jong et al., 2013 [50]
2. How often do you play active games on weekend days? (1–2 days a week)
3. How often do you play active games on weekend days? (1–2 days a week)
4. How long per day do you play active games on a weekend day? (… hours; … minutes)
Companions for active/non-active gaming With whom do you usually play active/ non-active games? Specifically developed for the current study1
- By myself,
- With my parents,
- With my brother/sister,
- With my friends,
- With somebody else, namely …
Game consoles and applications owned Which consoles and application do you have at home? (PlayStation 1/2/3; PlayStation Move; PSP (PlayStation Portable); Xbox; Xbox 360; Kinect; (Super)Nintendo; Nintendo Wii; Nintendo DS(i); Gamecube; Gameboy; Dance Dance Revolution; EyeToy; Computer/Laptop; iPad or another tablet) Specifically developed for the current study1
Physical activity   
Sports 1. Which sports do you play in leisure time? Flemish physical activity computer questionnaires [51]
2. How often do you play these sports in leisure time? (1–7 times a week, > 7 times a week)
3. How long do you play these sports when you play them in leisure time (…hours; ..minutes)
Active transport   
School 1. How do you usually go to school? (bike, walking, train/car/bus/scooter/moped, step/roller-skates/skateboard/wave board) Flemish physical activity computer questionnaires [51]
2. How long does it take to go from home to school (one way)? … minutes
3. Do you go home during lunch break? (yes; no)
4. On which days do you go home during
5. Lunch break? (Monday; Tuesday; Wednesday; Thursday; Friday)
Leisure time Weekdays
6. How long on a weekday do you usually walk in your leisure time to go somewhere (excluding walking to school, work or trainee post)? (0–10; 10–20; 20–30; 30–40;40–50; 50–60 minutes per day; more than one hour per day (… hours and … minutes per day)
7. How long on a weekday do you usually cycle in your leisure time to go somewhere (excluding walking to school, work or trainee post)? (0–10;10–20; 20–30; 30–40; 40–50; 50–60 minutes per day; more than one hour per day (… hours and … minutes per day)
Weekend days
8. How long on a weekend day do you usually walk in your leisure time to go somewhere (excluding walking to school, work or trainee post)? (0–10; 10–20; 20–30; 30–40; 40–50; 50–60 minutes per day; more than one hour per day (… hours and … minutes per day)
9. How long on a weekend day do you usually cycle in your leisure time to go somewhere (excluding walking to school, work or trainee post)? (0–10; 10–20; 20–30; 30–40; 40–50; 50–60 minutes per day; more than one hour per day (… hours and … minutes per day)
Sedentary screen time   
TV time About how many hours a day do you watch television in a normal week? (excluding school time) Flemish physical activity computer questionnaires [51]
- During weekdays: …. hours; …. minutes.
- During weekend days: …hours; …. minutes
Computer time About how many hours a day do you spend on the computer (e.g. chatting, internet) in a normal week? (excluding non-active and active gaming)  
- During weekdays: …. hours; …. minutes.
- During weekend days: …hours; …. minutes
Dietary behavior   
Consumption of sugar sweetened beverages Sugar-sweetened beverages were defined as carbonated soft drinks, other non-carbonated sugar sweetened drinks (water-based beverages that contain sugar) and so-called sport and energy drinks (e.g. AA, Extran, Aquarius, Red Bull). Excluding light or diet drinks and fruit juices. Van der Horst et al. 2008 [52]
1. On how many days a week do you usually drink soda? (1–7 days a week)
2. If you drink soda, how many soda do you drink on average on one day?
  How many glasses/packages (250 ml)? (none, 1, 2, 3, 4, 5, 6, 7 or more)
  How many cans (330 ml)? (none, 1, 2, 3, 4, 5, 6, 7 or more)
  How many bottles (500 ml)? (none, 1, 2, 3, 4, 5, 6, 7 or more)
3. On how many days a week do you usually eat cake or candy? (1–7 days a week)
4. If you eat cake or candy, how many do you eat on average on one day?
  1, 2, 3, 4, 5, 6 or more portions/pieces
Consumption of snacks Savory (fast-food, pizza, fries, chips, nuts). Van der Horst et al. 2008; Van Assema et al., 2001 [52, 53]
1. On how many days a week do you usually eat snacks?
  1-7 days a week
5. If you eat snacks, how many do you eat on average on one day?
  1, 2, 3, 4, 5, 6 or more portions/pieces
Sweet (candy, candy bars, chocolate, cake, biscuits)
1. On how many days a week do you usually eat cake or candy?
  1-7 days a week
2. If you eat cake or candy, how many do you eat on average on one day?
    1, 2, 3, 4, 5, 6 or more portions/pieces  
  1. 1The questions that were specifically developed for the current study were based on focus groups and/or a previous survey study on active and non-active gaming among adolescents [19, 22] and were pilot-tested in gaming adolescents to assure understanding and face validity.