Background
The wearing of face coverings decreases community transmission of airborne viruses including SARS-CoV-2 [The starting point for a theory-based intervention is identifying what needs to change [Previous studies have used COM-B, endorsed by the UK National Institute for Health and Care Excellence as a key theoretical framework for understanding and supporting behavior change [Implementation intentions [Several meta-analyses now attest to the effectiveness of implementation intention-based interventions in areas such as smoking cessation [