Alliance for Pandemic Preparedness

January 25, 2021

Change in Reported Adherence to Nonpharmaceutical Interventions During the COVID-19 Pandemic, April-November 2020

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An analysis of the Coronavirus Tracking Survey completed between April 1 and November 24, 2020 found that the adherence index (range 0 [low] to 100 [high]) to non-pharmaceutical interventions decreased substantially from 70 in April to the high 50’s in June, before rising back to 60 by late November. All US Census regions experienced significant decreases in the NPI adherence index during this time. Protective behaviors that had the largest decreases in adherence were staying at home, except for essential activities or exercise, (80% to 41%), having no close contact with non–household members (64% to 38%), not having visitors (80% to 58%), and avoiding eating at restaurants (87% to 66%). Reported mask wearing showed a significant increase among participants from 39% to 89%.

Crane et al. (Jan 22, 2021). Change in Reported Adherence to Nonpharmaceutical Interventions During the COVID-19 Pandemic, April-November 2020. JAMA. https://doi.org/10.1001/jama.2021.0286