Table 1.
Quality Assessment based on Modified Newcastle-Ottawa Scale and Modified Cochrane Risk of Bias Tool
| 1 st author; year | Study type | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Selection | Comparability | outcome | Score | Qualitative score | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Morgan; 2002 | Cross-sectional | * | * | * | ** | - | * | 3 | US | |||||
| Shirom; 2003 | * | * | * | * | ** | - | ** | 4 | S | |||||
| Cole; 2007 | * | * | * | * | * | * | **** | - | ** | 6 | G | |||
| Tvaryanas; 2009 | * | ** | * | * | * | ** | ** | 5 | G | |||||
| Boxmeer; 2011 | * | * | * | ** | * | * | *** | ** | ** | 7 | VG | |||
| Chang; 2011 | * | ** | * | * | * | ** | ** | 5 | G | |||||
| Mohammad; 2012 | * | * | * | - | * | 2 | US | |||||||
| Serec; 2012 | * | * | * | * | * | *** | - | ** | 5 | G | ||||
| Bue; 2013 | * | ** | * | * | * | ** | ** | 5 | G | |||||
| Salimi; 2013 | * | * | * | * | *** | - | * | 4 | S | |||||
| Chappelle; 2014 | * | * | * | ** | * | * | *** | ** | ** | 7 | VG | |||
| Ojedokn; 2014 | * | ** | * | * | * | ** | ** | 5 | G | |||||
| Ouma; 2011 | * | * | * | ** | - | * | 3 | US | ||||||
| Smith; 2015 | * | ** | * | * | * | ** | ** | 5 | G | |||||
| Chambel; 2015 | * | * | * | ** | * | * | *** | ** | ** | 7 | VG | |||
| Matthew; 2015 | * | * | * | - | * | 2 | US | |||||||
| Taghva; 2015 | * | * | * | * | - | ** | 3 | US | ||||||
| Tao; 2015 | * | * | ** | * | * | ** | ** | ** | 6 | G | ||||
| Zheng; 2015 | * | ** | * | * | * | ** | ** | 5 | G | |||||
| Bryan; 2018 | * | * | * | * | ** | * | * | **** | ** | ** | 8 | VG | ||
| Carvalho; 2018 | * | ** | * | * | * | ** | ** | 5 | G | |||||
| Ivey; 2018 | * | * | * | ** | * | * | *** | ** | ** | 7 | VG | |||
| Topa; 2018 | * | ** | * | * | * | ** | ** | 5 | G | |||||
| Chappelle; 2019 | * | * | * | ** | * | * | *** | ** | ** | 7 | VG | |||
| Dobbs; 2019 | * | ** | * | * | * | ** | ** | 5 | G | |||||
| Merlini; 2019 | * | * | * | ** | * | * | *** | ** | ** | 7 | VG | |||
| Sipos; 2019 | * | * | ** | * | ** | ** | * | 5 | G | |||||
| Vojvodić; 2019 | * | * | * | ** | - | * | 3 | US | ||||||
| Ndongo; 2020 | * | ** | * | * | * | ** | ** | 5 | G | |||||
| Vojvodic; 2020 | * | * | * | ** | - | * | 3 | US | ||||||
| Chappelle; 2011 | * | * | * | * | *** | - | * | 4 | S | |||||
| Prince; 2012 | * | * | * | * | *** | - | * | 4 | S | |||||
| Chappelle; 2013 | * | * | * | * | *** | - | * | 4 | S | |||||
| Goodman; 2018 | * | * | * | ** | * | * | *** | ** | ** | 7 | VG | |||
| 1st author; year | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Selection | Comparability | outcome | Score | Qualitative score | |
| Moran; 2008 | Longitudinal | * | * | * | ** | * | * | *** | ** | ** | 7 | G | ||
| Vinokur; 2009 | * | * | * | * | ** | * | * | * | **** | ** | *** | 9 | VG | |
| Chambel; 2010 | * | * | * | * | * | * | * | *** | * | *** | 7 | G | ||
| Morgan; 2011 | * | * | * | ** | * | * | * | *** | ** | *** | 8 | VG | ||
| Vinokur; 2011 | * | * | * | * | ** | * | * | * | **** | ** | *** | 9 | VG | |
| Delahaij; 2016 | * | * | * | * | ** | * | * | 4 | S | |||||
| Alessandri; 2018 | * | * | * | ** | * | * | *** | ** | ** | 7 | G | |||
| 1st author; year | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Selection | Comparability | outcome | Score | Qualitative score | |
| Villar; 2017 | Case-Control | * | * | * | ** | * | *** | ** | * | 6 | G | |||
| 1st author; year | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |||||||
| Bakker; 2007 | Experimental | UC | H | UC | L | H | UC | L | ||||||
Qualitative score: US, Unsatisfactory; S, Satisfactory; G, Good; VG, Very Good. Risk of Bias Assessment abbreviation: UC, Unclear; L, Low; H, High