Number of papers published in BMJ Open in 2020 by funding source for funders named in ≥25 papers, and proportion of these with PPI
| Funder | n | % of total | Mean % PPI (95% CI) |
| NIHR | 320 | 10.7 | 57.2 (51.8 to 62.6) |
| CIHR | 90 | 3.0 | 41.1 (30.9 to 51.3) |
| ZonMw | 25 | 0.8 | 40.0 (20.4 to 59.6) |
| MRC | 58 | 1.9 | 39.7 (27.0 to 52.4) |
| ESRC | 41 | 1.4 | 29.3 (15.2 to 43.4) |
| Wellcome Trust | 103 | 3.4 | 28.2 (19.4 to 36.9) |
| NHMRC | 111 | 3.7 | 27.9 (19.5 to 36.3) |
| NIH | 81 | 2.7 | 27.2 (17.4 to 36.9) |
| EU | 69 | 2.3 | 23.2 (13.2 to 33.2) |
| Carlos III | 30 | 1.0 | 13.3 (1.0 to 25.7) |
| Gates Foundation | 33 | 1.1 | 12.1 (0.8 to 23.4) |
| Chinese | 178 | 5.9 | 3.4 (0.7 to 6.0) |
Carlos III, Instituto de Salud Carlos III (Spain); Chinese, Key Research or other Chinese state funder, for example, National Science Foundation of China; CIHR, Canadian Institutes of Health Research; ESRC, Economic and Social Research Council (UK); EU, European Union funding; Gates, The Bill and Melinda Gates Foundation (USA); MRC, Medical Research Council (UK); NHMRC, National Health and Medical Research Council (Australia); NIH, US National Institutes of Health; NIHR, National Institute of Health Research (UK); PPI, patient and public involvement; Wellcome, The Wellcome Trust (UK); ZonMw, The Netherlands Organisation for Health Research and Development.