“…All study designs were cross-sectional. Four studies used exploratory qualitative methods [ [26] , [27] , [28] , [29] ], four used quantitative descriptive techniques [ 14 , [30] , [31] , [32] ], 16 used correlational/analysis techniques [ 13 , 15 , 19 , 21 , [33] , [34] , [35] , [36] , [37] , [38] , [39] , [40] , [41] , [42] , [43] , [44] ], and one used mixed methods [ 45 ]. In terms of study population, EMS personnel were studied independently in 14 articles.…”