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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
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