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Table 2 Classification of codes according to key realist evaluation concepts

From: Implementing pelvic floor muscle training for women with pelvic organ prolapse: a realist evaluation of different delivery models

RE concepts Classification of codes
Context Codes describing any pre-existing factors outside the control of intervention designers such as social or service structures, enabling or disabling conditions, resources, relationships, cultures, staff/service capacities and motivations. Codes describing something that developed/emerged/changed during the intervention but was unrelated/not attributed to the intervention itself.
Mechanism Codes suggesting a change in people’s minds and actions (reasoning, feelings, behaviours, judgements, decisions and attitudes at individual, interpersonal, social and organisational levels) in response to the changes introduced by the implementation as well as those described as interim outcomes of the intervention
Outcome Codes describing the intended and unintended consequences of the intervention at the level of women, staff or services (whether higher level outcomes or indicators of higher level outcomes)