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Evaluation of an evidence-based scie...

Cooper, Marcia Janet.

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Evaluation of an evidence-based science approach for the establishment of national nutrition guidelines.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Evaluation of an evidence-based science approach for the establishment of national nutrition guidelines./
作者:	Cooper, Marcia Janet.
面頁冊數:	315 p.
附註:	Source: Dissertation Abstracts International, Volume: 65-05, Section: B, page: 2348.
Contained By:	Dissertation Abstracts International65-05B.
標題:	Health Sciences, Nutrition. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NQ91801
ISBN:	0612918017

Evaluation of an evidence-based science approach for the establishment of national nutrition guidelines.
Cooper, Marcia Janet.

Evaluation of an evidence-based science approach for the establishment of national nutrition guidelines. - 315 p.

Source: Dissertation Abstracts International, Volume: 65-05, Section: B, page: 2348.

Thesis (Ph.D.)--University of Toronto (Canada), 2004.

Experienced scientists and nutrition professionals (experts) have traditionally developed national nutrition guidelines after a non-systematic review of relevant literature. The overall objective of this thesis was to develop literature filtering and article appraisal tools for use by non-experts for the creation of an evidence-based national nutrition guideline. A specific objective for this study was to evaluate inter-rater agreement on title, abstract, and article filtering and appraisal using these tools by 3--4 pairs of dietitians (RDs) and 3--4 pairs of nutrition students (Grads) (non-experts). Filtering is the process of selecting only those articles that are relevant to a review.

ISBN: 0612918017Subjects--Topical Terms:

1017801
Health Sciences, Nutrition.

Evaluation of an evidence-based science approach for the establishment of national nutrition guidelines.
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100 1 $a Cooper, Marcia Janet. $3 1931317
245 1 0 $a Evaluation of an evidence-based science approach for the establishment of national nutrition guidelines.
300 $a 315 p.
500 $a Source: Dissertation Abstracts International, Volume: 65-05, Section: B, page: 2348.
500 $a Adviser: Stanley Zlotkin.
502 $a Thesis (Ph.D.)--University of Toronto (Canada), 2004.
520 $a Experienced scientists and nutrition professionals (experts) have traditionally developed national nutrition guidelines after a non-systematic review of relevant literature. The overall objective of this thesis was to develop literature filtering and article appraisal tools for use by non-experts for the creation of an evidence-based national nutrition guideline. A specific objective for this study was to evaluate inter-rater agreement on title, abstract, and article filtering and appraisal using these tools by 3--4 pairs of dietitians (RDs) and 3--4 pairs of nutrition students (Grads) (non-experts). Filtering is the process of selecting only those articles that are relevant to a review.
520 $a Inter-rater agreement was assessed using kappa statistics (K) and percent agreement. Filtering decisions were initially performed independently and then revised after a 'consensus meeting' to discuss disagreements (for titles and abstracts). Sensitivity and specificity estimates were determined as a comparison of the responses with an expert reference standard (consensus evaluations by the investigators). One-hundred and eighty-five titles, 90 abstracts and 40 papers were assessed on the topic of dietary fat and heart disease risk in children.
520 $a The inter-rater agreement was similar among like groups and between corresponding RD and Grad pairs for both title (after consensus decisions) and abstract filtering (P > 0.05). Higher inter-rater agreement was observed for RD compared to Grad pairs for article filtering. For title and abstract filtering, there was no significant difference between groups for the proportion of agreement with the expert reference standard ( P > 0.05) after the consensus meeting. For the groups, false-negative rates ranged from 11.5--26.2% for title filtering, 11.1--23.3% for abstract filtering and 3.8--26.9% for article filtering (individuals). If descriptions of inclusion/exclusion criteria, withdrawals and drop-outs, justification of sample size, and statistical analysis were present in an article, it was more likely to be appraised as 'Important'.
520 $a This study describes the development and evaluation of literature filtering and appraisal tools for use by non-experts. After consensus meetings, both RDs and Grads were comparable in their agreement on title and abstract filtering, although important differences remained compared to the expert reference standard. Further work is needed to determine if non-experts can adequately complete literature filtering and article appraisals.
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710 2 0 $a University of Toronto (Canada). $3 1017674
773 0 $t Dissertation Abstracts International $g 65-05B.
790 1 0 $a Zlotkin, Stanley, $e advisor
790 $a 0779
791 $a Ph.D.
792 $a 2004
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NQ91801