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Table 2 Example of possible configurations of three conditions with their set labels

From: Using qualitative comparative analysis (QCA) in systematic reviews of complex interventions: a worked example

Conditions Configuration set label
Empowerment Lay-led Consulted on design  
1 1 1 Empowerment*Lay-led*Design
1 1 0 Empowerment*Lay-led* ~ Design
1 0 1 Empowerment* ~ Lay-led*Design
1 0 0 Empowerment* ~ Lay-led* ~ Design
0 1 0 ~Empowerment*Lay-led* ~ Design
0 1 1 ~Empowerment*Lay-led*Design
0 0 0 ~Empowerment* ~ Lay-led* ~ Design
0 0 1 ~Empowerment* ~ Lay-led*Design
  1. Note. In columns 1 to 3, ‘1’ indicates the given condition is present while ‘0’ indicates that the condition is absent. In column 4, * indicates ‘and’, ~ indicates non-membership in a condition.