Table 2.
Characteristics of included guidance documents (52 documents produced by 19 research groups)
| Documents that contain explicit methodological guidance for conducting overviews (41 documents produced by 12 research groups) | Documents that describe an author team’s experience conducting one or more published overviews (11 documents produced by 9 research groups) | |||||
|---|---|---|---|---|---|---|
| Research group | Number of documents (Additional file 3 references) | Years documents were produced | Document formats | Number of documents (Additional file 3 references) | Years documents were produced | Document formats |
| Cochrane Child Health Field (CHF) | 11a
(A1–A11) |
2010–2015 | 6 oral presentationsa, 2 internal documents, 2 posters, 1 journal article | 2 (A42, A43) |
2011–2013 | 1 journal article, 1 poster |
| Cochrane Comparing Multiple Interventions Methods Group (CMIMG) | 18a
(A1, A6, A7, A12–A26) |
2008–2015 | 10 oral presentationsa, 5 internal documents, 1 journal article, 1 book chapter, 1 website | – | – | – |
| Cochrane Consumers and Communication Review Group (CCRG) | – | – | – | 1 (A44) |
2009 | 1 journal article |
| Cochrane Effective Practice and Organization of Care Review Group (EPOC) | 1 (A27) |
2011 | 1 oral presentation | 2 (A45, A46) |
2011–2015 | 1 oral presentation, 1 poster |
| Cochrane Musculoskeletal Review Group (CM) | – | – | – | 1 (A47) |
2010 | 1 poster |
| Cochrane Public Health Group (CPHG) | 1 (A28) |
2014 | 1 journal article | – | – | – |
| Cochrane Stroke Group (CS) | – | – | – | 1 (A48) |
2015 | 1 oral presentation |
| Duke University (DukeU) | 1 (A29) |
2012 | 1 journal article | – | – | – |
| Dutch Cochrane Centre (DCC) | – | – | – | 1 (A49) |
2009 | 1 poster |
| Evidence for Policy and Practice Information and Co-ordinating Centre (EPPI) | 2 (A30, A31) |
2015 | 1 journal article, 1 oral presentation | – | – | – |
| Joanna Briggs Institute Umbrella Reviews Methodology Group (JBI) | 4 (A32–A35) |
2007–2015 | 2 internal documents, 1 journal article, 1 book chapter | – | – | – |
| Ludwig Boltzmann Institute for Health Technology Assessment (LBI) | – | – | – | 1 (A50) |
2015 | 1 journal article |
| Norwegian Knowledge Centre for the Health Services (NOKC) | 1 (A36) |
2013 | 1 book chapter | – | – | – |
| Pontifical Xavierian University (PXU) | – | – | – | 1 (A51) |
2011 | 1 poster |
| Trinity College Dublin (TCD) | 1 (A37) |
2011 | 1 journal article | – | – | – |
| University of Birmingham (UBirm) | 1 (A38) |
2012 | 1 journal article | – | – | – |
| University of Dundee (UDun) | – | – | – | 1 (A52) |
2004 | 1 journal article |
| Western Journal of Nursing Research (WJNR) | 1 (A39) |
2014 | 1 editorial | – | – | – |
| Witten/Herdecke University (WHU) | 2 (A40, A41) |
2014 | 2 journal articles | – | – | – |
aThree documents are counted twice because they were produced by authors affiliated with both of these groups (Additional file 3, references A1, A6, and A7). For these three documents, guidance presented by DC, LAB, and RMF was extracted into the CMIMG category, and guidance presented by DT, LH, and MF was extracted into the CHF category