Table 2.
Type of files of supplementary materials analysed
| Type of files | N° papers | N° files | Average of files/articles | % articles /total | % files /total |
|---|---|---|---|---|---|
| 348 | 530 | 1.52 | 42.75% | 41.31% | |
| DOC/DOCX | 265 | 394 | 1.49 | 32.56% | 30.71% |
| JPEG/JPG/TIF/TIFF/PNG/GIF | 31 | 79 | 2.55 | 3.81% | 6.16% |
| XLS/XLSX | 65 | 110 | 1.69 | 7.99% | 8.57% |
| MOV/MP4/WMV/MPG/AVI | 25 | 45 | 1.80 | 3.07% | 3.51% |
| PPT/PPTX | 10 | 12 | 1.20 | 1.23% | 0.94% |
| EPS | 1 | 2 | 2.00 | 0.12% | 0.16% |
| HTML | 2 | 3 | 1.50 | 0.25% | 0.23% |
| CSV | 8 | 45 | 5.63 | 0.98% | 3.51% |
| XML/GZ | 29 | 32 | 1.10 | 3.56% | 2.49% |
| TXT/PL | 1 | 1 | 1.00 | 0.12% | 0.08% |
| M | 1 | 3 | 3.00 | 0.12% | 0.23% |
| MAT | 1 | 4 | 4.00 | 0.12% | 0.31% |
| SuppDOI | 10 | 10 | 1.00 | 1.23% | 0.78% |
| 7z | 1 | 1 | 1.00 | 0.12% | 0.08% |
| FLV | 3 | 3 | 1.00 | 0.37% | 0.23% |