Internal medicine

Pathology

Sociology

Pedagogy

Disease

Demographics

Coronavirus disease 2019 (COVID-19)

Physical activity

Mathematics

Economic growth

Infectious disease (medical specialty)

Biology

Pandemic

Statistics

Decile

Demography

Baseline (sea)

Social deprivation

Physical therapy

Psychology

Economics

Tracking (education)

Longitudinal study

Fishery

Gerontology

Medicine

Journal of Medical Internet Research

The COVID-19 pandemic led to the implementation of worldwide restrictive measures to reduce social contact and viral spread. These measures have been reported to have a negative effect on physical activity (PA). Studies of PA during the pandemic have primarily used self-reported data. The single academic study that used tracked data did not report on demographics.

Physical Activity Behavior Before, During, and After COVID-19 Restrictions: Longitudinal Smartphone-Tracking Study of Adults in the United Kingdom