n

% Injury

OR (95%CI)

Gender

p < 0.001

Girls

21238

41.0

1.00

Boys

22805

49.8

1.43 (1.37-1.48)

Age

p < 0.001^*

≤13 years

13641

51.0

1.72 (1.63 - 1.81)

14 - 15 years

9716

47.3

1.48 (1.40 - 1.57)

16 - 17 years

8133

43.6

1.28 (1.20 - 1.36)

≥18 years

10234

37.7

1.00

Family

p < 0.001

Mother and father

10565

41.8

1.00

Parents and at least someone else

7713

49.1

1.35 (1.27 - 1.43)

Only one parent (whith or whitout someone else)

12503

47.0

1.24 (1.17 - 1.31)

No parents, but at least someone else

7941

45.4

1.16 (1.09 - 1.23)

Siblings

p < 0.001

No sibling or between 1/3 brothers and/or sisters

12033

43.4

1.00

Between 4/6 brothers and/or sisters

13369

44.8

1.06 (1.01 - 1.13)

Seven or more brothers and/or sisters

11071

46.3

1.13 (1.07 - 1.19)