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Table 2 First field testing of the ALPHA questionnaire (N = 190): Answer frequencies, mean scores, and 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
  Types of residences    
Item/scale None A Few Some Most All Mean (SD) Agreement, % ICC
1. Residential density         0.68a
   a) Detached houses 19.5 31.1 22.6 18.4 8.4 2.7 (1.2) 70 0.80
   b) Semi-detached townhouses, terraced houses 8.5 29.6 19.6 37.6 4.8 3.0 (1.1) 66 0.71
   c) Flats of 6 floors or more 43.0 24.7 15.1 12.9 4.3 2.1 (1.2) 66 0.72
  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         0.86 b
   a) Local shop 64.7 25.8 7.9 0.5 1.1 1.5 (0.8) 76 0.74
   b) Supermarket 20.5 24.7 26.3 9.5 8.9 2.5 (1.2) 67 0.78
   c) Local services 20.6 31.2 30.2 11.1 6.9 2.5 (1.1) 66 0.80
   d) Restaurant 46.8 27.9 16.8 3.2 5.3 1.9 (1.1) 62 0.71
   e) Fast-food restaurant 27.4 25.3 16.3 14.2 16.8 2.7 (1.4) 65 0.82
   f) Busstop 74.2 17.4 6.8 0.5 1.1 1.4 (0.7) 81 0.75
   g) Sport and leisure facility 16.3 25.3 28.9 14.2 15.3 2.9 (1.3) 63 0.70
   h) Open recreation area 37.4 24.2 23.2 8.4 6.8 2.2 (1.2) 59 0.73
  Acceptance of statements   
  Strongly disagree Somewhat disagree Somewhat agree Strongly agree I don't know Mean (SD) Agreement, % ICC
3. Total Infrastructure         0.68 b
Cycling Infrastructure,         0.67 c
Walking infrastructure         0.66 d
   a) special lanes, routes or paths to cycle 18.4 13.7 37.9 28.9 1.1 2.8 (1.1)# 64 0.75
   b) traffic-free cycle routes 41.6 24.2 19.5 12.6 2.1 2.0 (1.1) # 59 0.60
   c) sidewalks 2.6 5.8 18.4 72.6 0.5 3.6 (0.7) # 71 0.60
   d) pedestrian zones for shopping 55.3 11.6 16.8 14.7 1.6 1.9 (1.2) # 64 0.69
4. Maintenance         0.66b
   a) cycling paths are well maintained 9.5 10.1 39.7 20.6 20.7 2.9 (0.9) # 60 0.61
   b) sidewalks are well maintained 5.3 18.5 56.1 19.0 1.1 2.9 (0.8) # 65 0.58
   c) public recreation facilities are well maintained 5.3 9.5 47.1 32.8 5.3 3.1 (0.8) # 62 0.61
  Strongly disagree Somewhat disagree Somewhat agree Strongly agree   Mean (SD) Agreement, % ICC
5. Safety         0.75b
Safety from crime         0.77e
Safety from traffic         0.69f
   a) not safe to leave a bicycle locked 16.5 28.7 33.5 21.3   2.6 (1.0) 53 0.53
   b) not enough safe places to cross busy streets 18.0 46.0 31.2 4.8   2.2 (0.8) 52 0.44
   c) Walking is unsafe because of the traffic 35.4 50.3 12.7 1.6   1.8 (0.9) 64 0.54
   d) Cycling is unsafe because of the traffic 20.6 44.4 27.5 7.4   2.2 (0.9) 61 0.64
   e) unsafe during the day because of the level of crime 58.2 31.7 9.0 1.1   1.5 (0.7) 71 0.61
   f) unsafe during the night because of the level of crime 37.0 32.8 22.2 7.9   2.0 (1.0) 68 0.81
6. Pleasant         0.81b
Aesthetics         0.79g
   a) a pleasant environment for walking and cycling 2.1 21.6 52.6 23.7   2.9 (0.7) 69 0.70
   b) generally free from litter or graffiti 10.5 29.5 43.7 16.3   2.7 (0.9) 66 0.61
   c) trees along the streets 12.6 16.8 33.7 36.8   2.9 (1.0) 62 0.73
   d) a lot of badly maintained, unoccupied or ugly buildings 38.4 35.8 20.5 5.3   1.9 (0.9) 66 0.65
7. Cycling & walking network         0.80b
Connectivity         0.92h
   a) Cycling is quicker than driving during the day 20.0 28.4 27.9 15.3 8.4 2.4 (1.0) # 53 0.57
   b) Easier to take shortcuts with a bicycle or walking that with a car 10.5 16.3 41.6 27.9 3.7 2.9(0.9) # 57 0.52
   c) many intersections 5.3 21.6 43.7 26.3 3.2 2.9 (0.8) # 60 0.61
   d) many different routes for cycling or walking from place to place 2.1 23.2 48.9 22.6 3.2 3.0 (0.7) # 66 0.65
  Availability of      Agreement, % ICC
  yes no       
8. Home environment         0.86b
   a) Bicycle 61.1 38.9      99  
   b) Garden 72.0 28.0      96  
   c) Small sports equipment 70.0 30.0      94  
   d) Eercise equipment 47.9 52.1      93  
   e) Car 82.1 17.9      98  
   f) Dog 24.7 75.3      99  
9. Workplace or study environment         0.82b
   a) Escalators 61.0 39.0      91  
   b) Stairs 89.9 10.1      94  
   c) Fitness centre/equipment 27.7 72.3      93  
   d) Bicycles provided by employer or school 13.8 86.2      93  
   e) A safe place to leave a bike 66.5 33.5      85  
   f) A free car park 65.4 34.6      90  
   g) Showers and changing rooms 57.9 42.1      92  
   h) Exercise classes 22.6 77.4      92  
   i) Sports club 22.0 48.0      92  
   j) Employer subsidised public transport/cycling 44.7 55.3      85  
  1. # without 'I don't know' variable
  2. 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 7b, 7c & 7d