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. 2011 Nov 9;2011(11):CD004963. doi: 10.1002/14651858.CD004963.pub3

Morris 1999.

Methods Type of study: cluster RCT (6 clusters, Fit for Life exercise = 2 clusters, self care for seniors = 2 clusters, control = 2 clusters). Homes matched in triplets based on reviewing 40 most recent minimum data set resident assessments.
Participants Number of participants randomised: 468
Losses: Control 31, exercise 18, nursing rehabilitation 27
Age: 84.7 
 Sex: 79% women.
Health status as defined by authors:not defined 
 Residential status of participants:long stay nursing beds
Setting: USA 
 Inclusion: all residents in long stay beds 
 Exclusion:a terminal prognosis, projected length of stay greater than 90 days or health complications that prohibited contact.
Interventions EXERCISE GROUP (STRENGTH) (n = 142): progressive resistance training of upper and lower limbs 
 CONTROL GROUP (n = 155): usual activities 
 Duration and intensity: 10 months 
 Supervisor:specially trained staff 
 Supervision:group 
 Setting: institutional
Outcomes Time able to stand normally in 5‐feet positions (s)
Compliance/Adherence: not reported
Adverse events:not reported
Notes Data not reported appropriately for analysis purposes. Also a third group was included 'self care for seniors'.
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Unclear risk Reported that homes were matched in triplets and in each triplet one home was randomly assigned to one of three groups. method of randomisation not stated.
Allocation concealment (selection bias) High risk Not possible as allocation by home
Incomplete outcome data (attrition bias) 
 All outcomes Unclear risk Insufficient information
Selective reporting (reporting bias) Unclear risk Insufficient information to permit judgement
Other bias High risk Failure to adjust for clustering
Blinding (participant) High risk Not possible
Blinding (assessor) Low risk All blind to allocation status
Were the treatment and control group comparable at entry? Unclear risk Insufficient information to permit judgement
Was the surveillance active, and of clinically appropriate duration (i.e. at least 3 months post intervention)? High risk Only immediately post intervention data, no follow‐up data reported