Mock 1997.

Study characteristics
Methods	CCT, 2 groups
Participants	46 stage I and II breast cancer patients, post‐surgery, receiving radiotherapy
Interventions	Exercise: individualised brisk 20 to 30‐min incremental walk followed by 5‐min cool down 4 to 5 times/week in own setting Control: no intervention
Outcomes	Physical function (12‐min walk test) Symptoms Fatigue
Notes	Methodological quality score: 2 Main purpose of exercise: to increase physical function and reduce symptom intensity
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	High risk	"Following random assignment of the first subject, subsequent subjects were alternately assigned"
Allocation concealment (selection bias)	Unclear risk	Not stated
Blinding of outcome assessment (detection bias) All outcomes	High risk	Blinding not done
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	4 participants withdrew or dropped out of the study and were not included in the analysis
Selective reporting (reporting bias)	Low risk	Fatigue outcome reported