Quality Rating Summary
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Quality Criteria Checklist: Primary Research
  Bai et al, 1997 Carbone et al 2003 Worksheet Ciacci et al 1997 Worksheet Kemppainen et al 1999 Worksheet McFarlane et al 1995 Worksheet Molteni et al 1995 Worksheet Mora et al 1998 Worksheet Mora et al 1999 Worksheet Mora et al 2001 Worksheet Sategna-Guidetti et al 2000 Worksheet Valdimarsson et al 1996 Worksheet Walters et al 1995 Worksheet
Overall Quality Rating Neutral Neutral Positive Neutral Positive Neutral Neutral Positive Positive Positive Positive Neutral
Relevance Questions
  1. Would implementing the studied intervention or procedure (if found successful) result in improved outcomes for the patients/clients/population group? (Not Applicable for some epidemiological studies) Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  2. Did the authors study an outcome (dependent variable) or topic that the patients/clients/population group would care about? Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  3. Is the focus of the intervention or procedure (independent variable) or topic of study a common issue of concern to dieteticspractice? Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  4. Is the intervention or procedure feasible? (NA for some epidemiological studies) Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
 
Validity Questions
  1. Was the research question clearly stated? Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  2. Was the selection of study subjects/patients free from bias? N/A  ???  Yes  ???  Yes  ???  ???  Yes  Yes  Yes  Yes  Yes 
  3. Were study groups comparable? Yes  Yes  N/A  N/A  N/A  Yes  Yes  Yes  Yes  N/A  Yes  Yes 
  4. Was method of handling withdrawals described? ???  No  Yes  Yes  Yes  Yes  No  Yes  Yes  Yes  Yes  Yes 
  5. Was blinding used to prevent introduction of bias? N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A 
  6. Were intervention/therapeutic regimens/exposure factor or procedure and any comparison(s) described in detail? Were interveningfactors described? Yes  Yes  Yes  Yes  Yes  ???  Yes  Yes  Yes  Yes  Yes  ??? 
  7. Were outcomes clearly defined and the measurements valid and reliable? Yes  Yes  Yes  Yes  Yes  ???  Yes  Yes  Yes  Yes  Yes  ??? 
  8. Was the statistical analysis appropriate for the study design and type of outcome indicators? Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  9. Are conclusions supported by results with biases and limitations taken into consideration? Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  10. Is bias due to study's funding or sponsorship unlikely? Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes