- Journal-related descriptions of randomized-controlled trials in countries* under Gulf Cooperation Councils from 1990 to 2018 (n=406).
| Characteristics | n | Min | Max | Mean | SD |
|---|---|---|---|---|---|
| Impact factor of journal (2018-2019) | 385 | 0.06 | 70.76 | 3.54 | 6.9 |
| n | % | ||||
| Impact factor of journal (2018-2019) | <1 | 66 | 16.3 | ||
| 1-10 | 302 | 74.4 | |||
| >10 | 16 | 3.9 | |||
| NA | 22 | 5.4 | |||
| Declaration of interest | Yes | ||||
| No conflict/competing interest | 154 | 37.9 | |||
| Interest mentioned | 12 | 3 | |||
| No | 240 | 59.1 | |||
| Type of funding source | None | 263 | 64.8 | ||
| Academic-based | 70 | 17.2 | |||
| Government/National Council | 23 | 5.7 | |||
| Private | 24 | 5.9 | |||
| Hospital-based | 20 | 4.92 | |||
| International council/agency | 5 | 1.23 | |||
| Non-government/non-profit organization | 1 | 0.25 | |||
| Publication in open access journals | Yes | 112 | 27.6 | ||
| No | 274 | 67.5 | |||
| NA | 20 | 4.9 | |||
*Saudi Arabia, Bahrain, United Arab Emirates, Kuwait, Oman and Qatar, NA: not applicable, SD: standard deviation