Table 4.

Indicative questions for parents and adolescents following participation in Health Online for Teens (HOT).

Domain	Questions for parents	Questions for adolescents
Introduction	Can you tell me a bit about yourself and your family?; How would you describe your relationship with [adolescent name]?; How would you describe your family lifestyle? (prompts for lifestyle behaviors: diet, physical activity, sedentary behavior, sleep, wellbeing)	Can you tell me a bit about yourself and your family?; How would you describe your relationship with your parent/s? Siblings?; How would you describe your family lifestyle? (prompts for lifestyle behaviors: diet, physical activity, sedentary behavior, sleep, wellbeing)
Motivations for enrollment	Can you tell me a little bit about how you became involved in HOT? (prompt: whose idea was it to be involved; how did you feel); Can you tell me about what you expected HOT to be like?; What was [adolescent name] hoping to get from HOT?; Can you tell me about [adolescent name]’s health?	Can you tell me a little bit about how you became involved in HOT?; Can you tell me about what you expected HOT to be like?; What were you hoping to get from HOT?; Can you tell me about your health?
Lifestyle changes	How motivated do you think [adolescent name] was to make changes during HOT?; How would you describe [adolescent name]’s lifestyle before HOT? (prompts for lifestyle behaviors: diet, physical activity, sedentary behavior, sleep, wellbeing); Do you think that there have been changes to [adolescent name]’s lifestyle during HOT? (prompts for lifestyle behaviors: diet, physical activity, sedentary behavior, sleep, wellbeing); Can you tell me how HOT has impacted your family lifestyle? (prompts for lifestyle behaviors: diet, physical activity, sedentary behavior, sleep, wellbeing); Follow-up probing questions related to making changes: Were there things which helped you to make these changes? Were there any things which made it harder for you to make the changes you wanted?	Can you tell me about your motivation to make changes during HOT? How would you describe your lifestyle before HOT? (prompts for lifestyle behaviors: diet, physical activity, sedentary behavior, sleep, wellbeing); Can you tell me about your lifestyle now? (prompts for lifestyle behaviors: diet, physical activity, sedentary behavior, sleep, wellbeing); Follow-up probing questions related to making changes: Were there things which helped you to make these changes? Were there any things which made it harder for you to make the changes you wanted?
Influences	Can you tell me who you think [adolescent name] looks to for healthy lifestyle advice?	Can you tell me where you go to get healthy lifestyle advice? (prompt: role models)
Parent role	What do you think your role was in HOT?; What are some examples of how you helped support [adolescent name] during HOT?; Can you describe to me what you think a parent’s role is in their teenagers’ health?	Can you tell me about the role of your parent in HOT?; Can you describe to me what you think a parent’s role is in their teenagers’ health?
Experiences with HOT	How would you describe your experience with HOT?; What are some of the things you liked about HOT? (prompt: and what about for [adolescent name]); What are some of the things you didn’t like about HOT? (prompt: and what about for [adolescent name])	How would you describe your experience with HOT?; What are some of the things you liked about HOT?; What are some of the things you didn’t like about HOT?
Time spent on HOT	Can you tell me a bit about how and when you used HOT?; Are there any suggestions for changes to HOT which would have improved the program for you? (prompt: and what about for [adolescent name]); Are there additional supports which would have helped you in HOT? (prompt: and what about for [adolescent name])	Can you tell me a bit about how and when you used HOT?; Are there any suggestions for changes to HOT which would have improved the program for you?; Are there additional supports which would have helped you in HOT? (prompt: and what about for [adolescent name])