Table 2.

Acceptability, Challenges and Barriers Towards Healthy Eating at School (Intervention Arms 1 and 2 *).

	School Managements (Principal or Assistant Principal)	Canteen Operators	Convenient Shop Operators	Teachers
Acceptability of this programme	-noticed some changes in canteen and convenience shop -noticed more vegetables sold in canteen -noticed healthier food options in convenience shop. -noticed that students start to change eating habit	-students have their own food preferences -students like selected vegetables and fruits -school give full support	-students have their own food preferences -start to sell fruits in convenience shop -buying behaviour changes due to availability of food in convenience shop -acceptance in changes of non-sweetened beverages -good programme/learn a lot -good to have detailed guideline for healthy school -students suggest more healthy foods to sell	-notice little changes in canteen and convenience shop (e.g., less unhealthy food and fruits sold in canteen and convenience shop) -good programme/full support -convenience shop has both healthy and non-healthy option
Challenges during intervention	-students can still buy unhealthy food outside school -students worried of other perception if drink plain water -students dislike healthy beverages	-students did not like vegetables -lack of students’ understanding of healthy food -students’ usual eating habit (lack of vegetables and fruits) -not see many changes due to short duration -cost of food preparation -sales drop when stop selling energy-dense foods -students can still get energy-dense, fast food outside of school -canteen try to stop selling junk foods, but shops still sell it.	-limited variety of food to sell (cannot sell fresh foods) -clashes with canteen in terms of food/beverages to sell -students still prefer sweets beverages/unhealthy foods -students can still buy junk food outside of school -healthy choice of food is expensive -drop in sales	-lack of vegetables in canteen (students dislike vegetables) -students still like energy-dense foods -canteen and convenience shop still sell unhealthy food -lack of students’ understanding on healthy eating
Barriers for future implementation	-students hard to accept vegetables -students can still buy unhealthy food outside school -students only buy what they like to eat; mostly unhealthy foods -lack of health awareness of students -unhealthy dietary intake since young	-high cost of preparing healthy food -facing loss if fully sell healthy food -students’ preferences on healthy food intake, need to educate them -education on healthy food	-limitation of type of food sold in convenience shop	-lack of understanding on healthy foods (from students and canteen operators) -limited choice of healthy foods -lack of health awareness of students
Suggestions to improve healthy eating	-encourage continuation of this programme -implementation should involve everyone, not only school canteen -consider students’ food acceptance (preference? to change eating habit	-prepay meals for students -healthy food intervention should start early (primary school/home)	-focus on obese students -focus on foods that are good for students’ energy and wellbeing -subsidise healthy foods -teacher’s responsibility to develop healthy environment -continue programme/healthy campaign	-continue collaboration school and canteen -teacher’s responsibility to develop healthy environment -healthy food campaign

* Intervention-1: Training only. Intervention 2: Training and meals subsidy.