Reducing lifestyle risk behaviours in disadvantaged groups in high-income countries: A scoping review of systematic reviews.

"Declaration of competing interest The authors have no conflicts of interest to disclose."

"Funding This publication is based on independent research carried out by the Public Health Policy Research Unit (PH-PRU), commissioned and funded by the National Institute for Health Research Policy Research Programme (UK). The views expressed in this publication are those of the authors and not necessarily those of the NHS, the National Institute for Health Research, the Department of Health and Social Care or its arm's length bodies, and other UK Government Departments. The funder of the study had no role in study design, data collection, analysis or interpretation, writing of the report or decision to publish."

"This scoping review was informed by the framework proposed by Arksey and O'Malley () and refined by Levac et al. (), and is reported according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews (). The protocol for this review was not registered with PROSPERO, as PROSPERO does not include scoping reviews."