Huizing 2009b.

Methods	Cluster‐randomised controlled trial
Participants	Country: The Netherlands 14 nursing home wards from seven nursing homes; region: Kerkrade, Landgraaf and Bocholtz All residents newly admitted within study follow‐up. Exclusion criteria: Exclusion criteria: residents with Korsakoff’s Syndrome and psychiatric diseases.
Interventions	Intervention: educational intervention plus consultation Control: usual care
Outcomes	Physical restraint status
Notes	Secondary source: Part of the study published in Huizing et al. 2009a
Risk of bias
Bias	Authors' judgement	Support for judgement
Adequate sequence generation?	Low risk
Allocation concealment?	Low risk
No baseline imbalance between groups	Low risk
No loss of clusters bias	Unclear risk	One out of 15 clusters was lost to follow‐up
Outcome assessors blinded to treatment allocation	Low risk
No recruitment bias	Low risk
Methods of analysis adequate for cluster‐randomised trials	High risk