Burke 1997.

Methods	Randomised controlled trial Sample size calculation
Participants	50 children with chronic illness/physical disability for at least 8 months Age 1 to 17 (mean 6.2 years, SD 4.7) 26 boys (52%), 24 girls (48%) Follow up 96% at 3 months
Interventions	Stress point intervention vs usual care
Outcomes	Scales of Independent Behaviour Vernon Post‐hospital Behaviour Questionnaire State‐trait Anxiety Inventory Feetham Family Functioning Survey Coping Health Inventory for Parents 2 weeks and 3 months post intervention
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Comment: Method of random sequence generation not mentioned.
Allocation concealment (selection bias)	Low risk	Quote; "A secretary blind to study details randomly assigned children to experimental or control groups within age and diagnosis strata."
Blinding (performance bias and detection bias) All outcomes	Low risk	Quote: " Participants, clinic staff, hospital staff and research assistants were blind to group membership".
Blinding of participants and personnel (performance bias) All outcomes	Low risk	As above
Blinding of outcome assessment (detection bias) All outcomes	Low risk	As above
Incomplete outcome data (attrition bias) All outcomes	Low risk	Comment: outcome data were reported for all participants.
Selective reporting (reporting bias)	Low risk	Comment: outcome data were presented for all reported outcomes as measured.
Other bias	Low risk	Comment: none were identified.