Appendix Table 4.
Quality of Included Studies
| Study, Year (Reference) | Individual Quality Assessment Criteria Ratings
|
Overall Rating | COI Absent? | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1a | 1b | 1c | 2a | 2b | 3a | 3b | 3c | 3d | 4 | 5 | |||
| Studies in adults | |||||||||||||
|
| |||||||||||||
| Bischof et al, 2008 (33) | UNCL | Low | Low | Low | Low | High | UNCL | UNCL | Low | Low | Low | Moderate | Yes |
|
| |||||||||||||
| Boon et al, 2011 (57) | Low | Low | Low | Low | Low | Low | Low | Low | Low | Low | UNCL | Low | Yes |
|
| |||||||||||||
| Brendryen et al, 2014 (36) | Low | Low | Low | High | High | High | UNCL | UNCL | Low | High | Low | Moderate | Yes |
|
| |||||||||||||
| Cucciare et al, 2013 (47) | Low | UNCL | Low | Low | Low | UNCL | Low | Low | Low | Low | Low | Low | No |
|
| |||||||||||||
| Cunningham et al, 2009 (45) | Low | UNCL | Low | Low | Low | UNCL | UNCL | UNCL | Low | Low | Low | Moderate | Yes |
|
| |||||||||||||
| Gustafson et al, 2014 (32) | Low | UNCL | Low | UNCL | Low | High | NA | High | Low | Low | Low | Moderate | Yes |
|
| |||||||||||||
| Hansen et al, 2012 (46) | Low | Low | Low | Low | Low | UNCL | UNCL | UNCL | UNCL | UNCL | Low | Moderate | Yes |
|
| |||||||||||||
| Hasin et al, 2013 (34) | Low | Low | Low | Low | Low | High | Low | Low | Low | Low | Low | Low | Yes |
|
| |||||||||||||
| Mundt et al, 2006 (35) | UNCL | UNCL | Low | Low | Low | High | UNCL | High | Low | UNCL | UNCL | High | No |
|
| |||||||||||||
| Neumann et al, 2006 (43) | UNCL | UNCL | Low | UNCL | Low | High | UNCL | UNCL | Low | High | UNCL | High | Yes |
|
| |||||||||||||
| Riper et al, 2008 (44) | UNCL | UNCL | Low | UNCL | High | High | UNCL | UNCL | Low | High | Low | High | Yes |
|
| |||||||||||||
| Schulz et al, 2013 (40) | Low | UNCL | Low | Low | Low | High | NA | Low | Low | Low | Low | Moderate | Yes |
|
| |||||||||||||
| Sinadinovic et al, 2012 (41) | UNCL | UNCL | High | UNCL | High | High | UNCL | UNCL | Low | High | Low | High | Yes |
|
| |||||||||||||
| Wallace et al, 2011 (42) | Low | Low | Low | Low | Low | Low | Low | Low | Low | High | Low | Moderate | Yes |
| Studies in college students | |||||||||||||
|
| |||||||||||||
| Collins et al, 2014 (54) | Low | UNCL | Low | Low | Low | UNCL | Low | Low | Low | High | Low | Moderate | UNCL |
|
| |||||||||||||
| Hester et al, 2012 (56) | UNCL | UNCL | Low | Low | Low | High | UNCL | UNCL | Low | UNCL | Low | High | Yes |
|
| |||||||||||||
| Kypri et al, 2009 (38) | Low | Low | UNCL | Low | Low | UNCL | Low | Low | Low | Low | Low | Low | Yes |
|
| |||||||||||||
| Kypri et al, 2008 (39) | Low | Low | Low | Low | Low | Low | Low | Low | Low | Low | Low | Low | Yes |
|
| |||||||||||||
| Kypri et al, 2004 (48) | Low | Low | Low | Low | Low | Low | Low | Low | Low | Low | Low | Low | Yes |
|
| |||||||||||||
| LaBrie et al, 2013 (51) | Low | UNCL | Low | Low | Low | UNCL | Low | Low | Low | UNCL | Low | Moderate | UNCL |
|
| |||||||||||||
| Lewis et al, 2014 (55) | Low | Low | Low | Low | Low | High | Low | Low | Low | Low | Low | Low | UNCL |
|
| |||||||||||||
| Monahan et al, 2013 (49) | Low | UNCL | Low | Low | Low | High | Low | Low | Low | UNCL | UNCL | Moderate | Yes |
|
| |||||||||||||
| Moreira et al, 2012 (58) | Low | Low | Low | Low | Low | Low | Low | Low | Low | High | Low | Moderate | Yes |
|
| |||||||||||||
| Neighbors et al, 2010 (37) | Low | Low | UNCL | UNCL | Low | UNCL | Low | Low | Low | Low | Low | Moderate | Yes |
|
| |||||||||||||
| Neighbors et al, 2004 (50) | UNCL | High | UNCL | Low | Low | UNCL | Low | Low | Low | Low | Low | Moderate | Yes |
|
| |||||||||||||
| Voogt et al, 2013 (52) | Low | UNCL | Low | UNCL | Low | Low | UNCL | UNCL | Low | Low | Low | Moderate | Yes |
|
| |||||||||||||
| Voogt et al, 2014 (61) | Low | Low | Low | Low | Low | High | Low | Low | Low | Low | Low | Low | UNCL |
|
| |||||||||||||
| Walters et al, 2009 (53) | UNCL | UNCL | Low | Low | Low | High | Low | High | Low | Low | Low | Moderate | Yes |
COI = conflict of interest; NA = not applicable; UNCL = unclear.