Upper limbs

Lower limbs

n

%

(p-value)

OR_c

(CI95%)

OR_a

(CI95%)

(n = 884 with 299 ULI)

(p_H&L = 0.353)

%

(p-value)

OR_c

(CI95%)

OR_a

(CI95%)

(n = 884 with 178 LLI)

(p_H&L = 0.876)

Gender

p < 0.001

p = 0.196

Boys

786

27.9%

1

1

19.2%

1

1

Girls

505

37.2%

1.54

(1.21 - 1.95)

1.54

(1.13 - 2.09)

22.2%

1.20

(0.91 - 1.58)

1.03

(0.72 - 1.48)

Age groups

p < 0.001

p_t < 0.001

Under 6 years

341

17.6%

1

1

7.0%

1

1

6 - 9 years

385

27.8%

1.80

(1.26 - 2.58)

2.37

(1.49 - 3.77)

17.7%

2.83

(1.73 - 4.63)

2.67

(1.44 - 4.92)

10 - 12 years

351

45.9%

3.97

(2.80 - 5.63)

6.09

(3.85 - 9.62)

25.9%

4.62

(2.86 - 7.46)

3.60

(1.97 - 6.57)

13 years and more

233

39.1%

3.00

(2.05 - 4.40)

3.50

(2.06 - 5.19)

34.8%

7.04

(4.29 - 11.54)

6.30

(3.29 - 12.06)

Place of injuries

p = 0.301

p < 0.001

In the playground

750

30.8%

0.98

(0.63 - 1.53)

0.89

(0.49 - 1.63)

16.7%

2.83

(1.28 - 6.23)

3.72

(1.26 - 11.05)

During physical education

260

36.9%

1.29

(0.80 - 2.10)

0.89

(0.46 - 1.72)

33.9%

7.24

(3.22 - 16.24)

5.47

(1.81 - 16.54)

In classes

106

31.1%

1

1

6.6%

1

1

Other places

194

30.4%

0.98

(0.58 - 1.61)

0.69

(0.35 - 1.36)

22.7%

4.15

(1.80 - 9.58)

4.62

(1.52 - 14.09)

Mechanisms of injuries

p < 0.001

p < 0.001

Fall

462

37.8%

1.92

(1.31 - 2.80)

2.19

(1.32 - 3.64)

19.1%

1.24

(0.80 - 1.90)

1.40

(0.89 - 2.19)

Contact

219

21.0%

1

1

16.0%

1

1

Movement

128

40.9%

2.61

(1.61 - 4.22)

2.19

(1.32 - 3.64)

35.4%

2.89

(1.73 - 4.82)

2.20

(1.28 - 3.76)

Other mechanism

85

58.1%

5.22

(3.05 - 8.94)

6.26

(3.49 - 11.22)

12.8%

0.77

(0.37 - 1.60)

0.85

(0.40 - 1.83)