Stolk 2002.

Methods	Identification of subsequent full‐length publications Searched electronic database MEDLINE, International Pharmaceutical Abstracts to March 2001 Person completing the search not reported Searched by all authors Matched abstract to full‐length publication by All authors Sample size Methodology Research question
Data	Included 1216 abstracts presented at the 1995 to 1999 International Conference on Pharmacoepidemiology meetings Included all abstracts on pharmacoepidemiology and drug safety, except late‐breaking, workshop, and symposium
Comparisons	Proportion of abstracts published, overall and by meeting Cumulative proportion of abstracts published by meeting Oral versus poster presentation North American versus European versus rest of the world origin Subspecialty Conference year
Outcomes	319 of 1216 abstracts published; 262 abstracts with more than 24 months follow‐up published 52/174 abstracts presented at the 1995 meeting, 67/218 at the 1996 meeting, 73/240 at the 1997 meeting, 70/315 at the 1998 meeting, and 57/269 at the 1999 meeting published Proportion of abstracts published by time Cumulative proportion of abstracts published at 72 months showed proportion published = 29.9% (52/174 abstracts) for 1995 International Conference on Pharmacoepidemiology meeting Cumulative proportion of abstracts published at 60 months showed proportion published = 30.7% (67/218 abstracts) for 1996 International Conference on Pharmacoepidemiology meeting Cumulative proportion of abstracts published at 48 months showed proportion published = 30.4% (73/240 abstracts) for 1997 International Conference on Pharmacoepidemiology meeting Cumulative proportion of abstracts published at 36 months showed proportion published = 22.2% (70/315 abstracts) for 1998 International Conference on Pharmacoepidemiology meeting Cumulative proportion of abstracts published at 24 months showed proportion published = 21.2% (57/269 abstracts) for 1999 International Conference on Pharmacoepidemiology meeting Factors related to proportion of abstracts published included 97/249 abstracts presented orally versus 222/967 abstracts presented as posters published 102/408 abstracts originating from North America versus 183/596 abstracts from Europe versus 34/212 abstracts from rest of the world published
Notes	Pharmacology ‐ pharmacoepidemiology Funding not reported
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included all abstracts that described a specific topic with reasonable exceptions, so low risk of bias.
Search for publications?	Yes	Searched 2 databases.
Follow‐up time?	Yes	All meetings before 1998 had at least 48 months follow‐up. The meetings in 1998 and 1999 only had 36 and 24 months follow‐up.
Matching?	Yes	Matched by 4 different characteristics.
Adjustment for confounding?	Yes	Examined association of meeting year, type presentation, country of origin, and subspecialty using multivariable Cox regression analyses.