Miller 2015.

Methods	Identification of subsequent full‐length publications Searched electronic database CINAHL, MEDLINE, Web of Science, SCOPUS, and Informit; dates of search not reported Person completing the search not reported Searched by all authors and keywords Matched abstract to full‐length publication by Contents Contacted abstract author directly
Data	Included 648 abstracts presented at 2006 to 2009 Dietetic Association of Australia meetings Included all abstracts except those of plenaries and invited speakers
Comparisons	Proportion of abstracts published, overall and by meeting Oral versus poster presentation Clinical research versus community/public health research versus food service/supply/industry domain versus workforce domain versus teaching domain Observational design versus experimental design versus review versus qualitative design versus descriptive design versus audit versus other design > 1 author with academic affiliation versus no author with an academic affiliation Australian versus rest of the world origin Practice domain
Outcomes	165 of 648 abstracts published 43/151 abstracts presented at the 2006 meeting, 41/167 at the 2007 meeting, 50/160 at the 2008 meeting, and 31/170 at the 2009 meeting published Proportion of abstracts published by time not reported Factors related to proportion of abstracts published included 94/275 abstracts presented orally versus 71/373 abstracts presented as poster published 75/264 abstracts describing clinical research versus 60/228 abstracts describing the community/public health domain versus 16/59 abstracts describing the food service/supply/industry domain versus 11/66 abstracts describing the workforce domain versus 3/31 abstracts describing the teaching domain published 96/262 abstracts with observational design versus 30/122 abstracts with experimental design versus 5/26 abstracts describing a review versus 15/60 abstracts describing a qualitative design versus 3/27 abstracts describing an audit versus 16/151 abstracts describing another design published 80/164 abstracts with at least one author with an academic affiliation versus 84/164 abstracts with no authors with an academic affiliation published 155/619 abstracts originating from Australia versus 10/29 abstracts originating from rest of the world published
Notes	Endocrinology/nutrition Reported receiving no funding
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included all abstracts with reasonable exceptions.
Search for publications?	Yes	Searched 5 databases and contacted abstract authors.
Follow‐up time?	Unclear	Date of search not reported.
Matching?	No	Matched by only one criterion.
Adjustment for confounding?	No	Examined association of meeting year, type presentation, type science, study design, academic affiliation, author status, Australian origin, Australian state origin, and practice domain with publication using logistic regression analysis.