Fig. 1From: Mental imagery interventions to promote face covering use among UK university students and employees during the COVID-19 pandemic: study protocol for a randomized controlled trial.Schedule* of enrolment, interventions, and assessments for trial of mental imagery to improve adherence to face covering wearing adherence. *Adapted from SPIRIT Checklist guidance material displayed online under ‘Standard Protocol Items. Recommendations for Interventional Trials (SPIRIT)’. Self-reported face covering adherence for the previous weekBack to article page