The full text review was performed by three reviewers (NT, RCW, EH) on retained studies.
Subsequently, one investigator (SJ) applied the inclusion criteria to all remaining studies and extracted data from the retained studies.
However, the relatively small number of retained studies restricted our ability to conduct stratified analyses, sometimes allowing larger studies to drive the summary estimates.
The characteristics of retained studies are listed in Table 2. Studies are listed twice if they provided survival data for both DFS and OS.
Because a scoping review is not intended to assess the quality of studies, emphasis was not placed on methodological rigor of the retained studies.
We aimed to minimize potential exclusions of valuable sources by searching the reference lists of retained studies to identify relevant books, unpublished data, evaluations, and dissertations.
About 77% of the retained studies in children and 73% of the papers relative to adolescents with obesity reported a significant impairment in this executive function.
The retained studies were a study of non-metal miners (Silverman et al. 2012) and two independent studies of trucking industry workers (Garshick et al. 2012; Steenland et al. 1998).
Out of the 52 retained studies six were retrospective analyses, 12 were longitudinal patient recruitment studies with structured interview of the patients and 26 studies were designed as cross-sectional surveys with patient interviews.
