Table 2.
Ranking of the top 10 journals in which articles associated with khat were published worldwide
| SCRa | Journal | Frequency (%) | IF (2013)b | SJR |
|---|---|---|---|---|
| 1st | Journal of Ethnopharmacology | 48 (7.4) | 2.939 | 1.149 |
| 2nd | East African Medical Journal | 14 (2.2) | NA | 0.152 |
| 3rd | Saudi Medical Journal | 9 (1.4) | 0.554 | 0.269 |
| 3th | Forensic Science International | 9 (1.4) | 2.115 | 1.293 |
| 5th | Bulletin on Narcotics | 8 (1.2) | NA | NA |
| 6th | Lancet | 7 (1.1) | 39.207 | 11.563 |
| 6th | Journal of the Chemical Society Perkin Transactions 1 | 7 (1.1) | NA | NA |
| 6th | BMC Public Health | 7 (1.1) | 2.321 | 1.233 |
| 6th | Planta Medica | 7 (1.1) | 2.339 | 0.791 |
| 6th | Medecine Tropicale | 7 (1.1) | NA | 0.174 |
SCR standard competition ranking; SJR SCImago Journal Rank, NA not available, IF impact factor
aEqual journals have the same ranking number, which leaves a gap in the ranking numbers
bThe impact factor was reported according to the Institute for Scientific Information (ISI) journal citation reports (JCR) 2013