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Table 2 Test-retest reliability for physical environmental factors, transportation, and physical activity using percent agree, weighted kappa coefficients, or intraclass correlation coefficients (ICC) with 95% confidence intervals (CI)

From: Girls' perception of physical environmental factors and transportation: reliability and association with physical activity and active transport to school

 

Overall

Grade

 

(n = 480)

6th (n = 252)

8th (n = 228)

Survey Item(s)

% Agree

Kappa

95% CI

% Agree

Kappa

95% CI

% Agree

Kappa

95% CI

Safety of Environment

         

Safe walk/jog

59

0.52

(0.45, 0.58)

60

0.53

(0.43, 0.62)

57

0.50

(0.41, 0.59)

Safe ride bike

58

0.49

(0.42, 0.56)

60

0.52

(0.42, 0.61)

56

0.45

(0.36, 0.55)

Seen by others

51

0.37

(0.30, 0.44)

49

0.34

(0.23, 0.44)

53

0.40

(0.31, 0.50)

Traffic

48

0.38

(0.31, 0.45)

48

0.36

(0.26, 0.47)

49

0.40

(0.31, 0.49)

Crime in neighborhood

61

0.46

(0.39, 0.53)

61

0.44

(0.33, 0.54)

60

0.48

(0.38, 0.58)

See others playing

51

0.47

(0.41, 0.54)

50

0.45

(0.36, 0.55)

52

0.50

(0.41, 0.59)

Loose dogs

46

0.40

(0.33, 0.46)

43

0.34

(0.25, 0.43)

49

0.45

(0.36, 0.55)

Lighting

46

0.48

(0.42, 0.54)

48

0.49

(0.40, 0.57)

43

0.45

(0.37, 0.54)

Aesthetics of Environment

         

Trees

45

0.37

(0.31, 0.44)

39

0.31

(0.22, 0.41)

50

0.42

(0.33, 0.51)

Things to look at

44

0.39

(0.33, 0.45)

48

0.44

(0.35, 0.53)

39

0.33

(0.24, 0.42)

Smells

54

0.38

(0.31, 0.45)

54

0.36

(0.26, 0.47)

54

0.39

(0.29, 0.49)

Garbage

40

0.31

(0.24, 0.38)

39

0.32

(0.23, 0.42)

42

0.30

(0.20, 0.40)

Facilities Near Home

         

Equipment

47

0.42

(0.36, 0.48)

49

0.43

(0.34, 0.51)

44

0.39

(0.30, 0.49)

Sidewalks

59

0.58

(0.52, 0.64)

58

0.55

(0.46, 0.64)

61

0.62

(0.54, 0.71)

Trails

47

0.47

(0.41, 0.53)

43

0.42

(0.33, 0.51)

50

0.51

(0.43, 0.60)

*Number of facilities near home

 

0.78

(0.74, 0.82)

 

0.81

(0.75, 0.85)

 

0.75

(0.69, 0.81)

*Number of facilities near home/go there

 

0.78

(0.74, 0.82)

 

0.82

(0.77, 0.86)

 

0.74

(0.67, 0.80)

Transportation

         

Destinations

46

0.41

(0.35, 0.48)

46

0.36

(0.27, 0.45)

47

0.46

(0.37, 0.55)

Parents worry

40

0.34

(0.28, 0.41)

36

0.28

(0.19, 0.37)

44

0.40

(0.30, 0.49)

Parents let me walk

54

0.55

(0.49, 0.61)

51

0.52

(0.43, 0.60)

57

0.58

(0.50, 0.66)

Parents let me bike

56

0.52

(0.45, 0.58)

52

0.46

(0.37, 0.55)

60

0.57

(0.48, 0.65)

Parents public transportation

50

0.49

(0.43, 0.55)

50

0.48

(0.39, 0.57)

49

0.49

(0.40, 0.58)

Walk to transit

48

0.48

(0.41, 0.54)

46

0.41

(0.32, 0.51)

51

0.54

(0.46, 0.62)

Get home

62

0.38

(0.31, 0.46)

57

0.30

(0.19, 0.42)

64

0.45

(0.35, 0.55)

Get there

59

0.44

(0.37, 0.51)

59

0.45

(0.35, 0.54)

59

0.43

(0.32, 0.53)

Get home afterwards

56

0.41

(0.34, 0.48)

53

0.39

(0.29, 0.50)

58

0.42

(0.32, 0.52)

Physical Activity

         

*Physical activity score

 

0.72

(0.67, 0.76)

 

0.73

(0.66, 0.78)

 

0.68

(0.60, 0.74)

Days bike/walked/skated to school

74

0.60

(0.52, 0.67)

77

0.64

(0.55, 0.73)

72

0.55

(0.44, 0.66)

  1. *Indicates that ICC used (so percent agreement not calculated), otherwise weighted kappas are used.
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International Journal of Behavioral Nutrition and Physical Activity

ISSN: 1479-5868

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