Lehman 2005.

Methods	Parallel group design. Method of randomisation not stated. Method of analysis not described. Treated as outpatients for 10 days over 2 weeks. Assessed at baseline, immediately after, 1 week after and 1 month after intervention.
Participants	5 participants in the cueing group and 6 participants in the control group. No dropouts described. Participants' mean age, 78 years (cueing), 74 years (control). Male/female ratio, 4/1 (cueing), 4/2 (control). Mean Hoehn and Yahr not stated. Duration of PD 7 years (cueing), 6.1 years (control). Inclusion criteria: participants with gait impairment due to Parkinson's disease, early‐stage Parkinson's disease. Exclusion criteria: persons with other neurological and/or orthopaedic impairments who could not walk the distances required of the training program were excluded.
Interventions	Cueing: 10‐day training programme of walking 1800 feet per day with instructions to 'take long steps.' One trip down the 30‐foot pathway is a length. Each training set consisted of 20 lengths. Participants completed three training sets each day. Controls: no change in lifestyle or medication. Drug therapy was not described.
Outcomes	Step length. Speed. Cadence. Examinations took place at the same time each day.
Notes	Data on graphs － limited data.
Risk of bias
Bias	Authors' judgement	Support for judgement
Eligibility Criteria	Low risk
Randomisation Method	Unclear risk	Randomisation method was not stated.
Concealment of Allocation	Unclear risk	Randomisation method was not stated.
Similarity at Baseline	Low risk
Withdrawals Described	Unclear risk	No dropouts described.
Intention To Treat Analysis	Unclear risk	Method of analysis not described.
Cointerventions Constant	Unclear risk	Drug therapy was not described.
Blinded Assessors	Unclear risk	Not stated whether assessors were blinded.