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Table 2 Number of lessons measured and physical activity and length of sedentary bouts by subject and school stage

From: Objectively measured sedentary behaviour and moderate and vigorous physical activity in different school subjects: a cross-sectional study

 

Grades 1–3

Grades 4–6

Grades 7–9

Number of lessons measured

 Native language

837

711

215

 Mathematics

645

786

251

 Science

205

333

41

 Foreign language

134

607

242

 Music

381

257

61

 Crafts

327

262

68

 Total

2529

2956

878

MVPA minutes

 Native language

0.5 ± 0.8 (1.0%)

0.2 ± 0.4 (0.6%)*

0.4 ± 0.5 (0.9%)

 Mathematics

0.6 ± 1.1 (1.3%)

0.2 ± 0.5 (0.5%)*

0.2 ± 0.4 (0.5%)*

 Science

1.1 ± 2.1 (2.4%)

0.2 ± 0.5 (0.5%)*

0.2 ± 0.3 (0.4%)

 Foreign language

0.7 ± 1.0 (1.5%)

0.3 ± 0.6 (0.7%)*

0.7 ± 2.5 (1.6%)

 Music

1.1 ± 1.4 (2.5%)

0.5 ± 0.7 (1.1%)*

0.2 ± 0.3 (0.5%)*

 Crafts

0.7 ± 1.0 (1.6%)

0.7 ± 1.1 (1.6%)

2.2 ± 3.5 (4.8%)*,#

 Total

0.7 ± 1.2 (1.5%)

0.3 ± 0.6 (0.7%)*

0.5 ± 1.8 (1.2%)*,#

Sedentary minutes

 Native language

35.8 ± 5.9 (79.5%)

38.5 ± 4.5 (85.6%)*

39.3 ± 5.0 (87.4%)*

 Mathematics

34.5 ± 7.5 (76.8%)

38.9 ± 4.7 (86.4%)*

40.1 ± 4.5 (89.1%)*

 Science

32.1 ± 8.9 (71.4%)

38.2 ± 5.1 (85.0%)*

38.9 ± 4.5 (86.3%)*

 Foreign language

33.1 ± 7.3 (73.6%)

37.4 ± 5.6 (83.2%)*

39.0 ± 5.7 (86.7%)*

 Music

31.6 ± 7.2 (70.2%)

35.5 ± 6.1 (78.9%)*

40.5 ± 3.9 (90.0%)*,#

 Crafts

32.6 ± 5.8 (72.5%)

32.9 ± 6.0 (73.1%)

32.3 ± 8.1 (71.9%)

 Total

34.0 ± 7.0 (75.5%)

37.6 ± 5.4 (83.6%)*

38.9 ± 5.7 (86.5%)*,#

Sedentary bout length in minutes

 Native language

12.3 ± 9.6 (27.4%)

17.9 ± 13.1 (39.8%)*

20.2 ± 13.8 (44.9%)*

 Mathematics

15.3 ± 10.9 (34.0%)

21.6 ± 14.0 (48.0%)*

25.1 ± 15.3 (55.7%)*

 Science

14.1 ± 10.8 (31.3%)

20.3 ± 13.5 (45.2%)*

22.2 ± 13.7 (49.4%)*

 Foreign language

14.3 ± 10.0 (31.7%)

18.2 ± 12.9 (40.5%)*

18.5 ± 13.8 (41.2%)

 Music

13.2 ± 8.8 (29.4%)

16.6 ± 11.6 (36.9%)*

28.1 ± 14.8 (62.5%)*,#

 Crafts

6.9 ± 9.0 (21.2%)

9.0 ± 7.7 (19.9%)

9.8 ± 8.9 (21.8%)

 Total

12.8 ± 9.7 (28.5%)

17.3 ± 13.1 (38.6%)*

19.9 ± 14.5 (44.2%)*,#

  1. Data presented as mean ± standard deviation (mean % from lesson time)
  2. *different from grades 1–3, p < 0.05
  3. #different from grades 4–6, p < 0.05
  4. MVPA moderate and vigorous physical activity