Table 2 All hand fracture etiology in Malmö children < 16 years during six periods; 1950/1955, 1960/1965, 1970/1975–1979, 1993–1994, 2005–2006, and 2014–2016. Etiology is described as trauma activity, trauma mechanism, and trauma severity. Data are presented as proportions (%) of known trauma etiology

 Known

42

52

58

72

70

75

 Unknown

58

48

42

28

30

25

 Home

10

6

5

7

1

4

 Day nursery

0

0

0

2

1

5

 School

15

10

6

5

10

20

 Work

4

0

0

2

0

0

 Traffic injuries

21

16

14

19

13

8

  Bicycle

19

8

9

14

12

7

  Pedestrian hit by vehicle

1

5

1

0

0

0

  Moped, motorcycle

0

2

2

2

1

0

  Car passenger

1

1

3

1

0

2

  Other

0

1

0

2

0

0

 Playing injuries

12

22

14

15

11

15

  Playground

1

2

1

2

2

2

  In-lines, skateboard

0

0

1

2

2

3

  Sledge, other “snow”

0

0

1

1

1

1

  Other

11

20

10

9

6

10

 Sport injuries

27

34

45

40

42

42

  Ball-game

20

27

33

26

30

34

  Ice-hockey, skating

4

4

4

3

3

1

  Gymnastics and athletics

0

0

1

3

0

2

  Horse injuries

4

1

3

3

2

1

  Wrestling, boxing, etc. “Contact sport”

0

1

1

3

3

3

     Skiing

0

1

3

2

2

1

     Other

0

1

0

1

2

1

 Fights

10

12

13

11

20

4

 Other

1

0

2

1

0

2

 Known

85

90

95

93

100

94

 Unknown

15

10

5

7

0

6

 Falls

55

59

68

37

41

36

  On the same plane

46

49

59

22

29

26

  Between planes

9

10

10

15

12

10

 Mechanical force

44

41

32

56

53

61

 Non-classifiable

1

0

0

7

6

3

 Known

90

91

96

98

99

97

 Unknown

10

9

4

2

1

3

 Slight

67

67

77

76

77

69

 Moderate

12

9

9

19

12

8

 Severe

4

4

3

4

0

1

 Non-classifiable

16

20

12

1

10

23