“…The PSS consisted of 10 items (PSS-10), that included a negative subscale (item 1, 2, 3, 6, 9, 10) and a positive subscale (4,5,7,8). This study used the PSS-10 as a unidimensional measure whereby the higher the score, the higher the level of perceived stress (Smith et al 2014). The 10 item version of the PSS has previously been widely shown to demonstrate validity and reliability (Andreou et al 2011;Cohen and Williamson 1988;Leung et al 2010, Remor et al 2006, including with similar populations i.e.…”