“…Regarding the area of eating behaviours and NK, three different tools for RoB evaluation were used depending on the type of the study; they were (1) 'JBI checklist for prevalence studies' [75] for cross-sectional observations [19,20,28,29,32,38,39,[78][79][80][81][82][83][84][85][86][87][88][89][90]; (2) 'Quality assessment tool for before-after (pre-post) studies with no control group' [74] for single-arm IS [22,37,91]; and (3) Cochrane RoB 2 [73] for interventional randomized cross-over studies [92]. Regarding cross-sectional observations and questions related to the study sample: (1) addressing the target population, (2) selection process, and (3) sample size, as many as 20 [29,79,83,90], 15 [29,39,79] and 35% [29,39,79,83,87,88,90] of included studies were evaluated negatively, and the next 15 [39,87,88], 15 [78,…”