An overview of systematic reviews found suboptimal reporting and methodological limitations of mediation studies investigating causal mechanisms.
Cashin Aidan G, Lee Hopin, Lamb Sarah E, +6 more·Journal of clinical epidemiology
OBJECTIVES: The objective of this study was to investigate whether systematic reviews of mediation studies identify limitations in reporting quality and methodological conduct. STUDY DESIGN AND SETTING: We conducted an overview of systematic reviews. We searched four databases (MEDLINE, PsycINFO, Cochrane Database of…