Good in school compared

Among the best/better than most

54

60

59

0.769

to classmates

Equal, worse or among the worst

46

40

41

Exercises

≤1 time a week

31

28

34

0.781

>1 time a week

69

72

66

Alcohol consumer

Yes, have drank at least once

22

23

7

0.065

No or just tasted

78

77

93

Tobacco consumer

Yes, party or regular

2

5

0

0.199

No, tried or quit

98

95

100

Leisure-time factors

Youth-center

V

91

63

69

0.001

T

9

37

31

Lives close to youth-center

Yes, walking or biking distance

48

72

14

<0.001

No

52

28

86

Peers in school mostly friends

Yes

74

57

53

0.065

No answer

26

43

47

Peers at center mostly friends

Yes

23

53

58

<0.001

No answer

77

47

42

Walks/Bikes to school/leisure

Never/a few times a year

42

26

28

0.138

Once a month or more often

58

74

72

Goes to parties

Never/few times a year

79

45

60

0.001

Once a month or more often

21

55

40

Goes to concerts, museum

Never/few times a year

60

42

37

0.044

Once a month or more often

40

58

63

At friend’s home in evening

Never/few times a year

45

19

42

0.005

Once a month or more often

55

81

58

Computer use during week

<1 h a day

24

10

18

0.056

1 - 3 h a day

40

53

61

>4 h a day

36

37

21

Sports club

Never been member

15

8

13

0.571

Have been member

36

44

50

Am member

49

48

37

Reads for pleasure

Never/few times a year

44

44

40

0.914

At least a few times a month

56

56

60

Same hobby as parent

Yes

43

51

49

0.627

No

57

49

51

Parents know about

Never/rarely/varies

2

10

13

0.083

Leisure-time

Most of the time/always/almost always

92

90

87