Date

2022-01-20

Protocol

Protocol changed

Item Changed

Secondary outcome(s)

Previous Version

1.Change in mean score of behavior related to healthy eating and physical activity using “Sri Lanka - Global School-Based Student Health Survey 2016” Questionnaire (https://extranet.who.int/ncdsmicrodata/index.php/catalog/648) [At two time points. For the intervention group participants: immediately before watching the first video and one week after watching the last (fourth) video. For the control group participants: parallel to the intervention group participants.]

Next Version

Change in mean score of behavior related to healthy eating and physical activity using “Sri Lanka - Global School-Based Student Health Survey 2016” Questionnaire (https://extranet.who.int/ncdsmicrodata/index.php/catalog/648) [At two time points. For the intervention group participants: immediately before watching the first video and immediately one week after watching the last (fourth) video. For the control group participants: parallel to the intervention group participants.]