Bakkum 2015.

Methods	Identification of subsequent full‐length publications Searched electronic database PubMed and VisionCite in 2014 Search completed by investigator Searched by all authors and keywords Matched abstract to full‐length publication by All authors Title Contents Methodology Hypothesis
Data	Included 518 abstracts presented at the 2006 American Academy of Optometry meeting Included all abstracts
Comparisons	Proportion of abstracts published Cumulative proportion of abstracts published Oral versus poster presentation Clinical research versus basic science research Case report design versus other study design Subspecialty
Outcomes	108 of 518 abstracts published Proportion of abstracts published by time Cumulative proportion of abstracts published at 84 months showed proportion published = 20.9% (108/518 abstracts) Factors related to proportion of abstracts published included 32/97 abstracts presented orally versus 76/421 abstracts presented as poster published 88/425 abstracts describing clinical research versus 20/93 abstracts describing basic science research published 9/164 abstracts with case report design versus 99/354 abstracts with other study design published
Notes	Ophthalmology/optometry ‐ optometry Funding not reported
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included all abstracts.
Search for publications?	Yes	Searched 2 databases.
Follow‐up time?	Yes	The meeting had 96 months follow‐up.
Matching?	Yes	Matched by 5 different criteria.
Adjustment for confounding?	No	Examined association of type presentation, type science, and study design with publication using stratified analysis and Chi2 tests.