Table 2.

Study Characteristics and Eligibility Criteria of the Potential Studies

Study Characteristics	Inclusion Criteria	Exclusion Criteria
Population (P)	(1) Parents/guardians/caregivers of children aged 3‐13 years. (2)Teachers dealing with the Physical education of children.	Children more than 13 years. Children with chronic conditions including obesity, congenital heart diseases, and obesity that limit PA participation.
Exposures (E)	COVID‐19 restrictions in children affecting PA.	Studies only demonstrating the pathogenesis of COVID‐19. Studies that investigated only pharmacological management alone. COVID combined with dietary and vitamin deficiencies, and so on.
Outcomes (O)	Physical activity and sedentary behaviors in children during COVID ‐19 lockdown.	Diet and psychological outcomes such as depression and stress, academic performance and wellbeing reported.
Time frame (T)	25th December 2019 to 27th May 2021	Any studies out of the priori time frame
Study type (S)	Any study designs (cross‐sectional, single‐arm pre‐post, longitudinal, or cohort) reporting PA and COVID ‐19 lockdown in children	Protocol‐based or conference abstracts

Abbreviations: PA – Physical activity; SB – Sedentary behavior.