Data routinely collected at assessment. Questionnaire data collected at baseline, 6 and 12 months
| Assessment data | Questionnaires |
|---|---|
| Age | Chalder fatigue24 |
| Sex | Physical function (SF-36)25 |
| Ethnicity (drop-down list) | Hospital Anxiety Depression Scale26 |
| School attendance | Spence Children's Anxiety Scale27 |
| Symptoms list | Pain Visual Analogue Scale |
| CDC and NICE criteria | Quality of life (EQ-5D-Y28) |
| Months of illness | Clinical Global Impression Scale* |
| Comorbid conditions |
*Collected at 6-month and 12-month follow-up only.
CDC, Centers for Disease Control; NICE, National Institute for Health and Care Excellence.