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Table 3 Subgroup analysis of intervention components

From: The effectiveness of community-based coordinating interventions in dementia care: a meta-analysis and subgroup analysis of intervention components

Outcome Measure Subgroups Number of Trials Included Odds Ratio 95% CI I2 p Value*
Hospitalisation Community base 2 1.21 0.70 to 2.08 0%  
Non-community base 4 0.74 0.48 to 1.13 0%  
Subgroup difference      0.16
Nursing background 4 0.96 0.58 to 1.60 9%  
Non-nursing background 2 0.81 0.51 to 1.31 0%  
Subgroup difference      0.63
High contact 2 0.49 0.19 to 1.30 0%  
Low contact 3 0.97 0.61 to 1.53 19%  
Subgroup difference      0.22
Supervision 3 0.99 0.60 to 1.62 19%  
No supervision 3 0.78 0.47 to 1.30 0%  
Subgroup difference      0.52
Low workload 4 0.74 0.48 to 1.13 0%  
High workload 2 1.21 0.70 to 2.08 0%  
Subgroup difference      0.16
Institutionalisation Community base 4 0.50 0.16 to 1.61 37%  
Non-community base 2 0.93 0.09 to 9.06 70%  
Subgroup difference      0.64
Nursing background 6 0.44 0.20 to 0.95 23%  
Non-nursing background 2 0.69 0.10 to 4.98 49%  
Subgroup difference      0.67
High contact 3 0.38 0.11 to 1.34 39%  
Low contact 3 1.05 0.21 to 5.18 43%  
Subgroup difference      0.33
Supervision 3 0.96 0.47 to 1.95 26%  
No supervision 3 0.27 0.12 to 0.61 0%  
Subgroup difference      0.02
Low workload 2 0.23 0.08 to 0.67 0%  
High workload 3 1.20 0.27 to 5.32 37%  
Subgroup difference      0.08
Mortality Community base 4 0.74 0.36 to 1.51 0%  
Non-community base 2 1.71 0.55 to 5.30 0%  
Subgroup difference      0.22
Nursing background 4 1.44 0.65 to 3.15 0%  
Non-nursing background 3 1.42 0.48 to 4.22 0%  
Subgroup difference      0.99
High contact 2 0.62 0.23 to 1.65 25%  
Low contact 4 1.50 0.55 to 4.10 0%  
Subgroup difference      0.22
Low workload 2 0.50 0.18 to 1.36 0%  
High workload 3 1.26 0.52 to 3.03 0%  
Subgroup difference      0.17
Outcome Measure Subgroups Number of Trials Included SMD 95% CI I2 p Value*
Patient Cognition Community base 2 0.06 −0.23 to 0.35 0%  
Non-community base 2 −0.21 −0.49 to 0.06 0%  
Subgroup difference      0.18
Caregiver Burden Supervision 2 −0.78 −1.69 to 0.14 96%  
No Supervision 2 −0.24 −0.49 to 0.02 0%  
Subgroup difference      0.27
Caregiver Mood High contact 2 −0.05 −0.11 to 0.00 0%  
Low contact 4 0.01 −0.13 to 0.16 1%  
Subgroup difference      0.41
Caregiver quality of life Nursing background 2 0.94 0.63 to 1.25 0%  
Non-nursing background 2 0.03 −0.32 to 0.39 89%  
Subgroup difference      < 0.001
Outcome Measure Subgroups Number of Trials Included MD 95% CI I2 p Value*
Patient Behaviour Low workload 2 −13.2 −28.23 to 1.75 95%  
High workload 2 −5.4 −10.63 to −0.17 0%  
Subgroup difference      0.33
  1. CI Confidence intervals, I 2 I squared statistic, MD Mean difference, SMD Standardised mean
  2. *p value is for the subgroup comparisons