Table 2 Summary of the Grey Literature (see Additional file 1 : Appendix 3 for definitions of each category and Additional file 1 : Appendix 4 for a detailed breakdown of grey literature)
Organisational affiliation of author | Number of documents | Category of literature | Number of documents | Level of evidence | Number of documents |
|---|---|---|---|---|---|
National Governmental Organisation | 4 | Policy Document | 4 | Level I | 0 |
National Non-Governmental | 14 | Guidance Document | 3 | Level II | 0 |
Sub National Governmental Organisation | 4 | Evaluation Document | 6 | Level III | 4 |
Sub National Non-Governmental Organisation | 3 | Project Announcement or Project Report | 5 | Level IV | 2 |
Academic Institution | 5 | Conference Report | 2 | Level V (a) | 2 |
Individual Health Link | 2 | Presentation | 3 | Level V (b) | 6 |
Webpages | 5 | Ungraded (Level VI) | 18 | ||
Press Release | 4 | ||||
Total Number of Studies: | 32 | Total Number of Studies: | 32 | Total Number of Studies: | 32 |