Table 1.

Details of the implementation of the health education package for soil-transmitted helminths in the intervention schools.

Date and education component		Aim
May 2016
	Research staff training	The research staff were oriented on how to deliver the health education package
June 2016
	Baseline survey	N/Aa
June-July 2016
	Video shown twice	Inform about STHb transmission and prevention
	Student questions	Repeat key messages and answer students’ questions
	Distribution of pamphlet (comic)	Key messages as take-home message
July-August 2016
	Participants received treatment at school (as part of the National Deworming Month program)	N/A
August-September 2016
	Video shown twice	Reinforce knowledge about STH transmission and prevention
	Student questions 10-15 min classroom discussion based on student questions	Repeat key messages and answer students’ questions
August-September 2016
	Essay competition; write story about own actions taken to prevent worm infection	Practice and reinforce new knowledge
November 2016-January 2017
	First follow-up survey	N/A
January-February 2017
	Participants received treatment at school (as part of the National Deworming Month program)	N/A
June-July 2017
	Second follow-up survey	N/A
July-August 2017
	Participants received treatment at school (as part of the National Deworming Month program)	N/A

^aNot applicable.

^bSTH: soil-transmitted helminth.