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Table 2 Data extraction form for quality assessment

From: Screening and vaccination as determined by the Social Ecological Model and the Theory of Triadic Influence: a systematic review

Indicator Categorization Criteria
1. Clarity of CRQ(s)/hypothesis 0. Missing At best, only sub-questions specified
1. Unclear CRQs supplied inappropriately (e.g., only in abstract) or incomprehensively (e.g., as identification of a research gap)
2. Clear  
2. Clarity of data collection methods 0. Missing None specified
1. Unclear Incompletely specified (e.g., type of interview/observation; application)
2. Clear  
3. Clarity of sampling plan 0. Missing None specified
1. Unclear Missing for at least one reported data collection method
2. Clear  
4. Clarity of sampling size 0. Missing None specified
1. Unclear Imprecise (e.g., ‘more than’), or missing for at least one reported data collection method
2. Clear  
5. Clarity of analysis method 0. Missing None specified
1. Present At least some description of data handling after collection (e.g., mention of transcription, CAQDA, grounded theory, content analysis, regression analysis, etc.)
6. Clarity of conclusions 0. Missing None specified, or none with a relationship to research questions
1. Present At least one conclusion has a (however weak) link with one of the research questions
7. Clarity of limitations 0. Missing None specified
1. Unclear Possible instrument effects and/or fallacies are mentioned but without further discussion
2. Clear research limitations are appropriately identified