Table 2 Characteristics of included reviews related to 24-hour movement behaviors (n = 32)

Life Stage Included^#

0-2y

12

38%

3-4y

15

47%

5–12 y

19

59%

13-17y

20

63%

18-25y

12

38%

26-55y

11

34%

55 + y

13

41%

All ages

5

16%

24-hour Movement Behaviors^#

Physical Activity

32

100%

Sedentary Behavior

30

94%

Sleep

28

88%

All three behaviors

26

81%

Screen-time^

9

28%

Review Registration

PROSPERO

21

66%

Open Science Framework

4

13%

Not Registered

7

22%

Study Design Eligible^#

All study designs

20

63%

Observational studies

8

25%

Prospective Design

1

3%

Not described

3

9%

Search Dates

Inception

23

72%

Guidelines Creation (2015 or 2016)

6

19%

COVID-19 date (2020 or 2021)

2

6%

Other

1

3%

Regions Represented in included studies^#

Central Asia, Middle East, North Africa

9

28%

Central and Eastern Europe

11

34%

East and Southeast Asia

17

53%

High-income Asia Pacific

15

46%

High-income western

26

81%

Latin America and Caribbean

16

50%

Oceania

1

3%

South Asia

10

31%

Sub-Saharan Africa

11

34%

Multination studies

4

13%

Country/region not described

5

16%

Review did not present region information

4

13%