“…All studies were published in peer-reviewed journals and had a cross-sectional design. Six studies were conducted in the USA (Allen et al, 2012;Allen and Leary, 2013;Greene et al, 2016;Homan, 2016a;2016b;Smith, 2015), two in Canada (Bennett et al, 2017;Herriot et al, 2018), one in Pakistan (Imtiaz and Kamal, 2016), one in South Korea (Kim and Ko, 2018), and one in Australia (Phillips and Ferguson, 2013). Nine studies had a quantitative methodology (Allen et al, 2012;Greene et al, 2016;Herriot et al, 2018;Homan, 2016a;2016b;Imtiaz and Kamal, 2016;Kim and Ko, 2018;Phillips and Ferguson, 2013;Smith, 2015), one had a qualitative methodology (Bennett et al, 2017), and one had a mixed methodology (Allen and Leary, 2013).…”