Duarte 2006.

Study characteristics
Methods	RCT. 2 arms. Assessed at pretreatment, post‐treatment
Participants	End of treatment: n = 32 Start of treatment: n = 32 Sex: 22 F, 10 M Mean age = 9.1 years (SD 2.1) Source = paediatric gastroenterology service Diagnosis = recurrent abdominal pain Mean years of pain = 2.1
Interventions	"Cognitive behavioural family intervention" "Standard paediatric care, 4 sessions"
Outcomes	Primary pain outcome: pain intensity VAS Primary disability outcome: none Primary depression outcome: none Primary anxiety outcome: none Pain VAS (reduced to 4 categories), completed daily Parent estimate of frequency over last month Pressure point threshold using algometer
Notes	COI: not reported Funding: not reported
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	"Randomly allocated to 2 groups." Comment: probably done, method not described
Allocation concealment (selection bias)	Unclear risk	No description found in text Comment: probably not done
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	No description found in text Comment: probably not done
Incomplete outcome data (attrition bias) All outcomes	Low risk	No dropouts were reported in the study
Selective reporting (reporting bias)	High risk	Data were incompletely reported