“…The designs of the included studies were as follows: 11 longitudinal cohort (Armer, Ballman, McCall, Armer, et al, 2019; Armer, Ballman, McCall, Ostby, et al, 2019; Brunelle et al, 2020; Bundred et al, 2020; Cidon et al, 2011; Finlay et al, 2013; Gençay Can et al, 2019; Hayes et al, 2008; Hidding et al, 2019; Kosir et al, 2001; Norman et al, 2009; Suehiro et al, 2019; Table 3), 15 cross‐sectional (Ahmed et al, 2008; Armer & Fu, 2005; Armer et al, 2003; Bani et al, 2007; Flores et al, 2020; Fu et al, 2015, 2018; Gartner et al, 2010; Kopec et al, 2013; Morris et al, 2017; Ridner & Dietrich, 2015; Ridner et al, 2011; Ridner et al, 2007; Sierla et al, 2013; Svensson et al, 2020; Table 4) and three case–control studies (Honarvar et al, 2016; Korucu et al, 2020; Mak et al, 2009; Table 5). Studies were mainly from the USA ( n = 13, 45%; Ahmed et al, 2008; Armer, Ballman, McCall, Armer, et al, 2019; Armer, Ballman, McCall, Ostby, et al, 2019; Armer & Fu, 2005; Armer et al, 2003; Brunelle et al, 2020; Flores et al, 2020; Fu et al, 2015, 2018; Kosir et al, 2001; Norman et al, 2009; Ridner & Dietrich, 2015; Ridner et al, 2007, 2011) and Australia ( n = 5, 17%; Finlay et al, 2013; Hayes et al, 2008; Morris et al, 2017; Sierla et al, 2013; Svensson et al, 2020).…”