Quality Rating Summary
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Quality Criteria Checklist: Primary Research
  Hodge AM, English DR et al, 2007 Jakobsen et al 2009 Laaksonen et al 2005 Liou et al 2007 Mozaffarian D, Ascherio A et al, 2005 Oh K, Hu FB et al, 2005 St-Onge et al 2007 Thijssen and Mensink 2005 Thijssen et al 2005 Zhao et al 2004
Overall Quality Rating Neutral Positive Positive Neutral Positive Positive Neutral 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         
  2. Did the authors study an outcome (dependent variable) or topic that the patients/clients/population group would care about?           Yes         
  3. Is the focus of the intervention or procedure (independent variable) or topic of study a common issue of concern to dieteticspractice?           Yes         
  4. Is the intervention or procedure feasible? (NA for some epidemiological studies)           Yes         
 
Validity Questions
  1. Was the research question clearly stated?           Yes         
  2. Was the selection of study subjects/patients free from bias?           Yes         
  3. Were study groups comparable?           Yes         
  4. Was method of handling withdrawals described?           Yes         
  5. Was blinding used to prevent introduction of bias?           Yes         
  6. Were intervention/therapeutic regimens/exposure factor or procedure and any comparison(s) described in detail? Were interveningfactors described?           Yes         
  7. Were outcomes clearly defined and the measurements valid and reliable?           Yes         
  8. Was the statistical analysis appropriate for the study design and type of outcome indicators?           Yes         
  9. Are conclusions supported by results with biases and limitations taken into consideration?           Yes         
  10. Is bias due to study's funding or sponsorship unlikely?           Yes