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Table 5 Reported value subthemes

From: Process evaluation within pragmatic randomised controlled trials: what is it, why is it done, and can we find it?—a systematic review

Subtheme Number of process evaluations reporting this value (n = 17) Examples of reported values in subtheme
Adding to wider knowledge 16 • Informing future trial design [23, 25, 27, 28, 32, 33, 38]
• Improving future design of similar interventions [22, 24, 33]
Informing post-trial transfer of intervention to practice 15 • Providing evidence of feasibility [28, 33]
• Highlighting potential disadvantages of intervention to facilitate consent discussions with patients [23]
Identifying intervention improvements 10 • Adding stronger monitoring protocols to promote adherence [33]
• Recommendation to research effectiveness over time [29]
Providing reasons for trial results 8 • Reasons for non-positive results [33, 38]
• Reasons for positive results [28,29,30,31, 35]
Addressing an identified concern about the intervention 7 • Concern about the effect of cognitive impairment on effectiveness [22]
• Concern about participant adherence [33, 35]
Adding information not provided by the trial 6 • Participant and deliverer experiences and perceptions [23, 35]
• Nuance and context [23]
Increasing accuracy of trial results 6 • Investigating threats to internal validity [26]
• Accurately defining trial population [25]
Understanding how the intervention works 4 • Understanding what was delivered in a flexible intervention [38]
• Mechanisms of impact [28]
Building on trial data 2 • Exploring findings of subgroup analysis [29]
Understanding applicability of trial results 2 • Evaluating whether intended pragmatic trial population achieved [25]
Improving usual care at trial sites 1 • Highlighting gaps in current care provision [27]
Meeting pragmatic RCT reporting requirements 1 • Adhere to reporting standards for pragmatic and non-pharmacological trials [27]
Meeting recommendation to conduct process evaluation 1 • Following MRC recommendations [28]