Brief Illness Perception Questionnaire

Eating Attitudes Test - 26 Item

Fear of Complications Questionnaire

Patient Health Questionnaire for Adolescents (PHQ-A) (17),

Pediatric Quality Of Life Inventory (PedsQL)

Pittsburg Sleep Quality Index (PSQI),

Child Health Utility-9D (CHU-9D)

WHO-5 Well Being Index

EQ-5D 5L health utility measure often used for health economic evaluation

Physical Activity Questionnaire (PAQ)