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Table 3 The Prevalence of Clusters by Gender, Age Groups

From: Co-existence of physical activity and sedentary behavior among children and adolescents in Shanghai, China: do gender and age matter?

 

Cluster 1

Cluster 2

Cluster 3

n

%

n

%

n

%

Total

2872

5.7

16,244

32.4

30,974

61.8

Gender

 Boys

1447

5.7

8289

32.8

15,508

61.4

 Girls

1425

5.7

7955

32.0

15,466

62.2

Age Groups***

 Younger adolescents

1917

13.2

6116

42.0

6519

44.8

 Adolescents

758

3.5

6957

31.8

14,164

64.7

 Older adolescents

197

1.4

3171

23.2

10,291

75.3

  1. Younger adolescents: 4-5th graders
  2. Adolescents: 6-9th graders
  3. Older adolescents: 10-12th graders
  4. Cluster 1: meet both the PA and SED guidelines, signifying that daily MVPA time was ≥60 min while daily screen time was < 2 h
  5. Cluster 2: meet either PA or SED guidelines, signifying that daily MVPA time was ≥60 min while daily screen time was ≥2 h, or daily MVPA time was < 60 min while daily screen time was < 2 h
  6. Cluster 3: meet neither PA nor SED guideline, signifying that daily MVPA time < 60 min while daily screen time was ≥2 h
  7. Significant age group difference across the clusters at p < 0.001
  8. *p < 0.05, **p < 0.01, ***p < 0.001