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Table 2 Outcomes of peer support interventions disaggregated by type of design and type of measure. (Percentages within each category of design and measure in parentheses)

From: Peer support of complex health behaviors in prevention and disease management with special reference to diabetes: systematic reviews

Outcome Randomized controlled trials Other controlled designs Within groups, pre-post designs Other designs Totals
Objective Standardized Nonstandardized Objective Standardized Nonstandardized Objective Standardized Nonstandardized Objective Standardized Nonstandardized
Significant between groups 6 (60.0) 23 (74.2) 5 (71.4) 1 (100.0) 1 (100.0) 1 (50.0) 0 1 (50.0) 2 (50.0) 40 (61.5)
Significant within groups 2 (20.0) 3 (9.7) 0 0 0 1 (50.0) 0 3 (75.0) 2 (100.0) 1 (100.0) 1 (50.0) 1 (25.0) 14 (21.5)
Nonsignificant 2 (20.0) 3 (9.7) 2 (28.6) 0 0 0 0 1 (25.0) 0 0 0 1 (25.0) 9 (13.8)
Counter 0 2 (6.5) 0 0 0 0 0 0 0 0 0 0 2 (3.1)
Totals 10 31 7 1 1 2 0 4 2 1 2 4  
   48    4    6    7   65