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Table 6 Second field testing of the ALPHA questionnaire (N = 166): Answer frequencies; mean scores and its test-retest reliability scores.

From: Measuring physical activity-related environmental factors: reliability and predictive validity of the European environmental questionnaire ALPHA

 

Answer Frequencies and mean score of each item on the first assessment

Test-retest reliability scores

Item/scale

None

A Few

Some

Most

All

Mean (SD)

Agreement %

ICC

1. Residential density

       

0.80a

   a) Detached houses

18.5

27.8

27.8

22.2

3.7

2.65 (1.1)

77

0.81

   b) Semi-detached houses or terraced houses

3.7

15.2

39.0

39.0

3.0

3.23 (0.9)

59

0.56

   c) Apartment buildings or blocks of flats

22.0

37.8

27.4

11.6

1.2

2.32 (1.0)

73

0.80

 

Travel time to facilities

 

1-5 min

6-10 min

11-20 min

21-30 min

>30 min

Mean (SD)

Agreement %

ICC

2. Distance to local facilities

       

0.87b

   a) Local shop

57.2

22.9

13.9

3.0

3.0

1.7 (1.0)

75

0.80

   b) Supermarket

43.0

24.2

20.6

5.5

6.7

2.1 (1.2)

75

0.82

   c) Local services

30.7

29.5

21.7

12.0

6.0

2.3 (1.2)

67

0.77

   d) Restaurant, café, pub..

50.0

30.1

12.0

4.8

3.0

1.8 (1.0)

75

0.72

   e) Fast-food restaurant

36.2

23.3

13.8

12.1

14.7

2.5 (1.5)

60

0.87

   f) Bus stop

72.7

17.6

5.5

3.0

1.2

1.4 (0.8)

79

0.74

   g) Sport and leisure facility

18.7

29.5

27.7

11.4

12.7

2.7 (1.2)

65

0.75

   h) Open recreation area

48.5

27.9

10.3

6.1

7.3

3.5 (0.8)

76

0.76

 

Acceptance of statements

 

Strongly disagree

Somewhat disagree

Somewhat agree

Strongly agree

 

Mean (SD)

Agreement %

ICC

3. Infrastructure

       

0.79b

Pedestrian infrastructure

       

0.75c

Cycling infrastructure

       

0.74d

   a) Sidewalks

4.8

7.8

17.5

69.9

 

3.5 (0.8)

73

0.74

   b) pedestrian zones or pedestrian trails

24.7

23.5

28.9

22.9

 

2.5 (1.1)

59

0.65

   c) Special lanes, routes or paths for cycling

18.8

17.0

33.9

30.3

 

2.8 (1.1)

62

0.69

   d) cycle routes separated from traffic

26.7

24.2

28.5

20.6

 

2.4 (1.1)

61

0.68

 

Strongly disagree

Somewhat disagree

Somewhat agree

Strongly agree

Not applicable

Mean (SD)

Agreement %

ICC

4. Maintenance

       

0.74#b

   a) sidewalks are well maintained

7.9

13.4

42.1

35.4

1.2

3.1 (0.9

57

0.60#

   b) cycling paths are well maintained

15.3

13.5

40.5

23.9

6.7

2.8 (1.0)

63

0.55#

   c) Play areas, playgrounds, parks or other open spaces are well maintained

3.1

11.7

47.2

35.0

3.1

3.2 (0.8)

66

0.62#

 

Strongly disagree

Somewhat disagree

Somewhat agree

Strongly agree

 

Mean (SD)

Agreement %

ICC

5. Safety

      

0.71 b

 

Safety from crime

      

0.78 e

 

Safety from traffic

      

0.68 f

 

   a) dangerous to leave a bicycle locked

28.5

40.0

20.6

10.9

 

2.1 (1.0)

66

0.69

   b) not enough safe places to cross busy streets

41.2

37.0

18.2

3.6

 

1.8 (0.8)

61

0.57

   c) Walking is dangerous because of the traffic

47.3

40.6

10.3

1.8

 

1.7 (0.7)

68

0.58

   d) Cycling is dangerous because of the traffic

35.8

37.0

24.2

3.0

 

2.0 (0.9)

62

0.61

   e) dangerous during the day because of the level of crime

73.9

23.0

2.4

0.6

 

1.3 (0.5)

74

0.57

   f) dangerous during the night because of the level of crime

43.1

44.0

8.6

4.3

 

1.7 (0.8)

69

0.60

6. Pleasant

       

0.84 b

Aesthetics

       

0.74 g

   a) a pleasant environment for walking and cycling

3.6

19.3

45.2

31.9

3.1 (0.8)

 

68

0.65

 

None

A few

Some

Plenty

 

Mean (SD)

Agreement %

ICC

   b) litter or graffiti

36.7

34.9

20.5

7.8

 

2.0 (0.9)

71

0.82

   c) trees along the streets

15.1

18.7

37.3

28.9

 

2.8 (1.0)

66

0.72

   d) badly maintained, unoccupied or ugly buildings

40.6

44.2

9.7

5.5

 

1.8 (0.8)

68

0.57

 

Strongly disagree

Somewhat disagree

Somewhat agree

Strongly agree

 

Mean (SD)

Agreement %

ICC

7. Cycling and walking network

       

0.84 b

Connectivity

       

0.91h

   a) Many shortcuts for walking

6.0

27.7

47.0

19.3

 

2.8 (0.8)

67

0.58

   b) Cycling is quicker than driving during the day

19.9

31.9

25.9

22.3

 

2.5 (1.0)

67

0.79

   c) many road junctions

7.2

35.5

39.8

17.5

 

2.7 (0.8)

61

0.61

   d) many different routes for cycling or walking from place to place

3.6

19.3

56.0

21.9

 

2.9 (0.7)

63

0.54

 

Availability of

      
 

yes

no

    

Agreement %

ICC

8. Home environment

       

0.72 b

   a) Bicycle

81.3

18.7

    

99

 

   b) Garden

76.5

23.5

    

95

 

   c) Small sports equipment

86.7

13.3

    

94

 

   d) Exercise equipment

60.2

39.2

    

96

 

   e) Car

86.1

13.3

    

98

 

   f) Dog

19.3

80.1

    

98

 

9. Workplace or study environment

       

0.83 b

   a) Escalators

47.4

52.6

     

91

   b) Stairs

89.5

10.5

     

95

   c) Fitness centre/equipment

34.9

65.1

     

91

   d) Bicycles provided by employer or school

19.9

80.1

     

91

   e) A safe place to leave a bike

74.2

25.8

     

87

   f) Enough car parking spaces

56.3

43.7

     

93

   g) Showers and changing rooms

62.9

37.1

     

93

   h) Exercise classes

39.1

60.9

     

91

   i) Sports club

38.4

61.6

     

89

   j) Employer subsidised public transport

48.3

51.7

     

87

  1. # without not applicable
  2. ICC = Intraclass correlation coefficient
  3. a weighted by the following formula = item1a + (12* item 1b)+ (50*item 1c); b: total sum score of all items; c: sum score of items 3a & 3b; d: sum score of items 3c & 3d; e: sum score of reversed items 5a, 5e & 5f; f: sum score of reversed items 5b, 5c, 5d; g:sum score of items 6b, 6c, reversed 6d; h:sum score of items 7a, 7c & 7d
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International Journal of Behavioral Nutrition and Physical Activity

ISSN: 1479-5868

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