Searching for health equity: validation of a search filter for ethnic and socioeconomic inequalities in transport

Background: Efforts to improve health equity should be informed by the best available evidence. However, equity-related research is inconsistently indexed, and uses a variety of terms to describe key concepts, making it difficult to reliably identify all relevant studies. The authors report the development and validation of a search strategy for studies investigating whether the effects of interventions differ by ethnicity or socio-economic status, using the field of transport and health as an example. Methods: Adapting previously described methods, the authors followed four steps: generation of a test set of eligible studies, search strategy development, search strategy validation, and documentation. Results: Drawing from 12 systematic reviews, supplemented by additional studies identified by experts and colleagues, the authors identified a test set of 11 studies that met their eligibility criteria. The authors assigned five studies to a development set, which they used to develop and refine their search strategy. The authors assigned the remaining six studies to a validation set, against which they tested their final search strategy. The final search strategy identified all studies in both validation and development sets. Conclusions: The validated search strategy derived in this study facilitates the conduct of systematic reviews and other literature searches investigating whether the effects of interventions differ by ethnicity or socio-economic status and may be further developed in future for other equity-focused searches and reviews.


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  • Accession Number: 01739602
  • Record Type: Publication
  • Files: TRIS
  • Created Date: May 18 2020 12:04PM