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Table 2 Demographic characteristics of respondents

From: Test-retest reliability of selected items of Health Behaviour in School-aged Children (HBSC) survey questionnaire in Beijing, China

 

Test 1

Test 2

Age (years and decimals) of respondents answered in both tests

 

11

15

11

15

11

15

 

n

%

n

%

n

%

N

%

Mean

SD

Mean

SD

Boys

41

46.6

31

60.8

20

45.5

31

60.8

11.79

0.30

15.81

0.34

Girls

47

53.4

20

39.2

24

54.5

20

39.2

11.63

0.37

15.78

0.30

Total

88

100

51

100

44

100

51

100

11.70

0.35

15.80

0.32