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Table 2 Quality assessment of included studies

From: Barriers and facilitators to implementing shared decision-making in clinical practice: a systematic review of health professionals' perceptions

Qualitative studies
  Study identification
Criteria [60] [37] [38] [39] [29] [41] [43] [44] [45] [51] [54, 55] [58] [59] [47] [48] [49] [56] [50]
Question/objective sufficiently described? 2 2 2 2 2 1 2 0 2 2 2 2 1 2 2 2 2 2
Study design evident and appropriate? 2 2 2 2 2 2 2 0 2 2 2 1 1 1 1 2 1 2
Context for the study clear? 2 2 2 2 2 2 2 1 2 1 2 2 2 2 2 2 2 2
Connection to a theoretical framework/wider body of knowledge? 2 2 2 2 2 2 2 0 1 1 2 2 2 1 1 2 2 2
Sampling strategy described, relevant and justified? 1 1 1 1 1 2 1 0 2 2 1 1 1 1 1 2 1 2
Data collection methods clearly described and systematic? 2 2 2 2 2 2 2 0 2 2 2 2 2 2 2 2 1 2
Data analysis clearly described and systematic? 2 2 2 2 2 2 2 0 2 2 2 2 1 2 1 2 0 2
Use of verification procedure(s) to establish credibility? 0 2 2 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0
Conclusions supported by the results? 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 0 2
Reflexivity accounted for? 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total score/possible maximum score 15/20 17/20 17/20 15/20 16/20 15/20 16/20 3/20 16/20 14/20 14/20 14/20 12/20 13/20 12/20 16/20 9/20 16/20
Quantitative studies
  Study identification
Criteria [53] [33] [34] [40] [11] [46]
Question/objective sufficiently described? 2 2 2 2 2 2
Study design evident and appropriate? 2 2 2 2 2 2
Method of subject/comparison group selection or source of information/input variables described and appropriate? 1 2 2 1 2 2
Subject (and comparison group, if applicable) characteristics sufficiently described? 2 2 2 2 2 2
If interventional and random allocation was possible, was it described? N/A N/A N/A N/A N/A N/A
If interventional and blinding of investigators was possible, was it reported? N/A N/A N/A N/A N/A N/A
If interventional and blinding of subjects was possible, was it reported? N/A N/A N/A N/A N/A N/A
Outcome and (if applicable) exposure measure(s) well-defined and robust for measurement/misclassification bias? Means of assessment reported? 2 2 2 2 2 2
Sample size appropriate? N/A N/A N/A N/A N/A N/A
Analytic methods described/justified and appropriate? 2 2 2 2 2 2
Some estimate of variance is reported for the main results? N/A 2 0 2 2 1
Controlled for confounding? N/A N/A N/A N/A N/A N/A
Results reported in sufficient detail? 2 2 2 2 2 2
Conclusions supported by the results? 2 2 2 2 2 2
Total score/possible maximum score 15/16 18/18 16/18 17/18 18/18 17/18
Mixed methods studies
  Study identification
  [21, 35, 36] [42] [57] [52]
Assessment of the qualitative component of the study
Criteria                   
Question/objective sufficiently described? 2 2 2 2
Study design evident and appropriate? 2 2 2 2
Context for the study clear? 2 2 2 2
Connection to a theoretical framework/wider body of knowledge? 2 2 2 2
Sampling strategy described, relevant and justified? 1 1 1 1
Data collection methods clearly described and systematic? 2 2 2 2
Data analysis clearly described and systematic? 2 2 2 2
Use of verification procedure(s) to establish credibility? 0 2 0 0
Conclusions supported by the results? 2 2 2 2
Reflexivity of the account? 0 2 0 0
Assessment of the quantitative component of the study
Question/objective sufficiently described? 2 2 2 2
Study design evident and appropriate? 2 2 2 2
Method of subject/comparison group selection or source of information/input variables described and appropriate? 1 2 1 2
Subject (and comparison group, if applicable) characteristics sufficiently described? 2 2 2 2
If interventional and random allocation was possible, was it described? 2 N/A N/A N/A
If interventional and blinding of investigators was possible, was it reported? 2 N/A N/A N/A
If interventional and blinding of subjects was possible, was it reported? 2 N/A N/A N/A
Outcome and (if applicable) exposure measure(s) well-defined and robust for measurement/misclassification bias? Means of assessment reported? 2 2 2 2
Sample size appropriate? 2 N/A 2 N/A
Analytic methods described/justified and appropriate? 2 2 1 N/A
Some estimate of variance is reported for the main results? 2 2 1 N/A
Controlled for confounding? 1 N/A 1 N/A
Results reported in sufficient detail? 2 2 2 2
Conclusions supported by the results? 2 2 2 2
Total score/possible maximum score 41/48 37/38 33/42 29/34
  1. 2: Yes
  2. 1: Partial
  3. 0: No
  4. N/A: Not applicable