Table 1 Risk of bias of the included studies
From: Occupational risk factors for meniscal lesions: a systematic review and meta-analysis
Study | Major domainsa | Minor domainsb | Overall risk of bias | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ||
Cohort studies | ||||||||||
 Kontio et al., 2017 [35] | + | – | + | + | + | – | + | + | + | – |
 Mikkelsen et al., 2016 [36] | + | + | + | + | + | + | + | + | + | + |
Cross-sectional studies | ||||||||||
 Bezuglov et al., 2019 [37] | + | + | + | – | – | – | + | ? | + | – |
 Behzadi et al., 2017 [38] | – | – | + | + | – | – | ? | + | + | – |
 Brouwer et al., 1981 [39] | – | – | – | – | – | – | + | ? | ? | – |
 Hong et al., 2020 [53] | + | – | + | + | + | – | ? | + | + | – |
 Kaplan et al., 2005 [40] | – | – | + | – | – | – | ? | ? | ? | – |
 Kivimäki et al., 1992 [27] | + | + | – | + | – | – | + | + | ? | – |
 Krajnc et al., 2010 [41] | + | – | – | – | – | – | + | ? | + | – |
 Musialek & Kostal, 1995 [42] | + | – | + | – | – | – | + | ? | ? | – |
 Nauwald, 1980 [43] | + | – | – | – | – | – | – | + | ? | – |
 Nauwald, 1986 [44] | + | + | – | – | – | – | – | + | ? | – |
 Pressel, 1982 [45] | + | + | – | – | – | – | + | ? | ? | – |
 Prien et al., 2019 [46] | – | – | – | + | – | – | + | + | + | – |
 Roos et al., 1994 [47] | – | – | + | – | – | – | + | + | ? | – |
 Rytter et al., 2008 [17] | – | – | – | + | + | – | + | + | + | – |
 Rytter et al., 2009 [8]; Jensen et al., 2012 [49]; Jensen et al., 2012 [48] | – | – | + | + | + | – | – | + | + | – |
 Walczak et al. (2008) [50] | – | – | + | – | – | – | ? | ? | ? | – |
Case-control studies | ||||||||||
 Baker et al., 2002 [24] | + | – | + | – | + | – | ? | + | ? | – |
 Baker et al., 2003 [25] | + | – | – | + | + | – | ? | + | ? | – |
– | – | + | + | + | – | ? | ? | ? | – | |
 Sharrard & Liddell, 1962 [26] | – | – | + | + | – | – | + | ? | ? | – |