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Table 2 The difference in variables by gender or school grade

From: Associations of physical activity with academic achievement and academic burden in Chinese children and adolescents: do gender and school grade matter?

 

Total

(n = 2653)

Gender

School grade

Boys

(n = 1294)

Girls

(n = 1359)

Primary

(n = 472,

9.1 ± 0.9ys)

Middle

(n = 1711,

13.2 ± 1.3ys)

High

(n = 470,

16.0 ± 0.7ys)

MVPA

  Meet the PA guidelines

284

(10.7%)

178

(13.8%)

106

(7.8%)

91

(19.3%)

165

(9.6%)

28

(6.0%)

  Not meet the PA guidelines

2369

(89.3%)

1116

(86.2%)

1253

(92.2%)

381

(80.7%)

1546

(90.4%)

442

(94.0%)

  

p < 0.001

 

p < 0.001

  

AA

  Above-average

1826

(68.9%)

430

(33.2%)

397

(29.2%)

237

(50.2%)

490

(28.6%)

100

(21.3%)

   ≤ Average

827

(31.1%)

864

(66.8%)

962

(70.8%)

235

(49.8%)

1221

(71.4%)

370

(78.7%)

  

p < 0.05

 

p < 0.001

  

AB

  No AB

262

(9.9%)

133

(10.3%)

129

(9.5%)

111

(23.5%)

137

(8.0%)

14

(3.0%)

  Having AB

2391

(90.1%)

1161

(89.7%)

1230

(90.5%)

361

(76.5%)

1574

(92.0%)

456

(97.0%)

  

p = 0.50

 

p < 0.001

  
  1. Notes: MVPA Moderate-to-Vigorous Physical Activity. PA guidelines (Physical Activity guidelines): World Health Organization recommendation for at least 60 min MVPA daily. Above-average AA: above-average academic achievement (included good and very good), AB: academic burden. ys: years old