A systematic review to determine the effect of strategies to sustain chronic disease prevention interventions in clinical and community settings.

This review assessed the effect of strategies designed to sustain the delivery of evidenced based interventions (EBIs) which target behavioural risk factors linked to leading causes of chronic disease in clinical and community settings. Seven electronic databases were searched for randomised controlled studies published from earliest record to November 2022. Studies were included if they tested a strategy to sustain the delivery of an EBI within clinical or community settings. Results were synthesised using vote counting based on direction of effect, and reported in accordance with non-meta-analytic review standards following the Synthesis Without Meta-analysis (SWiM) guidelines. Three studies met the study inclusion criteria. Two studies were community-based, with one conducted in Australian community sports clubs and the second in afterschool clubs in the United States. The single clinical-based study was conducted in community health care centres in the United States. Across the three studies, 25 strategies were employed and only two strategies were common across all studies. Synthesis using vote counting based on direction of effect indicated that two of three studies favoured the intervention as positively impacting sustainment of EBIs. Few studies have been conducted to assess the effect of strategies designed to support sustainment of EBIs for chronic disease prevention in clinical and community settings. As such, it is difficult to determine the effect of strategies designed to support sustainment. Further research with comprehensive reporting of the selection, use and testing of sustainment strategies is needed to advance understanding of how to sustain EBIs in clinical and community settings.