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. 2004 Mar;94(3):473–483. doi: 10.2105/ajph.94.3.473

TABLE 2—

Reproducibility of Items and Scales That Assessed Physical Environments: San Diego Instrument, 2002 (n = 93)

Travel Time to Location
Instrument Domain and Characteristic 1–5 Min, % 6–10 Min, % 11–20 Min, % 21–30 Min, % ≥ 31 Min, % Mean (SD) Observed Agreement, % ICC
Land use mix—diversity 0.93
    Convenience/small grocery store 29.0 20.4 25.8 8.6 16.1 3.4 (1.4) 68.5 0.85
    Supermarket 8.8 12.1 25.3 14.3 39.6 2.4 (1.4) 54.8 0.69
    Hardware store 11.4 6.8 22.7 11.4 47.7 2.2 (1.5) 57.2 0.74
    Fruit/vegetable market 10.0 11.3 18.8 12.5 47.5 2.1 (1.6) 53.4 0.46
    Laundry/dry cleaners 17.6 12.1 14.3 19.8 36.3 2.7 (1.5) 63.2 0.64
    Clothing store 5.9 12.9 16.5 11.8 52.9 2.0 (1.5) 60.5 0.60
    Post office 13.2 15.4 17.6 17.6 36.3 2.6 (1.5) 54.9 0.80
    Library 16.3 10.9 15.2 17.4 40.2 2.6 (1.5) 65.4 0.79
    Elementary school 21.5 18.3 21.5 11.8 26.9 3.1 (1.5) 64.3 0.80
    Schools other than elementary 10.8 19.4 16.1 12.9 40.0 2.6 (1.5) 53.5 0.60
    Bookstore 6.3 10.0 15.0 10.0 58.8 1.9 (1.5) 58.4 0.73
    Fast-food restaurant 16.7 17.8 25.6 12.2 27.8 2.6 (1.5) 56.0 0.72
    Coffee place 20.5 9.6 16.9 12.0 41.0 2.6 (1.7) 54.9 0.62
    Bank/credit union 21.5 18.3 18.3 12.9 29.0 3.0 (1.5) 62.0 0.74
    Non–fast-food restaurant 16.5 15.4 23.1 12.1 33.0 2.8 (1.5) 55.5 0.68
    Video store 14.3 9.9 20.9 16.5 38.5 2.5 (1.5) 62.2 0.83
    Pharmacy/drug store 11.2 14.6 23.6 15.7 34.8 2.5 (1.5) 56.1 0.79
    Salon/barber shop 25.3 13.2 19.8 17.6 24.4 3.1 (1.5) 64.3 0.67
    Your job 3.9 3.9 3.9 9.1 79.2 1.3 (1.3) 70.3 0.60
    Bus/trolley stop 49.7 16.7 6.4 2.6 34.6 3.3 (2.0) 67.2 0.77
    Park 29.7 19.8 14.3 9.9 26.4 3.2 (1.6) 60.8 0.80
    Recreation center 16.0 8.6 18.5 14.8 42.0 2.3 (1.7) 46.2 0.44
    Gym/fitness facility 8.1 16.3 18.6 11.6 45.3 2.3 (1.5) 52.0 0.58
Presence of Housing Type in Neighborhood
Characteristic None, % Few, % Some, % Most, % All, % Mean (SD) Observed Agreement, % ICC
Residential density 0.78a
    Detached single-family residences 6.5 17.2 15.1 23.7 37.6 2.7 (1.3) 57.2 0.52
    Townhouses/row houses of 1–3 stories 54.8 20.4 10.8 10.8 3.2 1.9 (1.2) 62.0 0.56
    Apartments/condos 1–3 stories 57.6 20.7 13.0 6.5 2.2 1.8 (1.1) 64.2 0.70
    Apartments/condos 4–6 stories 89.2 6.5 3.2 1.1 . . . 1.2 (0.5) 83.9 0.51
    Apartments/condos 7–12 stories 93.5 4.3 1.1 1.1 . . . 1.1 (0.4) 96.9 0.89
    Apartments/condos > 13 stories 97.8 1.1 . . . 1.1 . . . 1.0 (0.3) 97.8 . . .
Acceptance of Statements
Characteristic Strongly Agree, % Somewhat Agree, % Somewhat Disagree, % Strongly Disagree, % Mean (SD) Observed Agreement, % ICC
Land use mix—access 0.77
    Shopping at local stores 31.2 20.4 12.9 35.5 2.5 (1.3) 53.2 0.57
    Stores within walking distance 25.8 30.1 8.6 35.5 2.5 (1.2) 61.4 0.71
    Parking difficult in shopping areas 7.5 14.0 17.2 61.3 1.7 (1.0) 41.8 0.22
    Many places within walking distance 33.7 26.1 8.7 31.5 2.6 (1.3) 44.6 0.53
    Easy walking to transit stop 40.5 16.7 2.4 40.5 2.6 (1.4) 72.5 0.78
    Hilly streets difficult to walk 6.5 14.0 17.2 62.4 1.7 (1.0) 54.4 0.48
    Canyons/hillsides limit the number of traveling routes 2.2 7.5 12.9 77.4 1.3 (0.7) 60.3 0.25
Street/walking environment 0.41
    Not many/any cul-de-sacs 38.7 24.7 6.5 30.1 2.7 (1.3) 33.3 0.18
    Walkways connect cul-de-sacs to streets 15.2 15.2 9.8 59.8 1.9 (1.2) 49.9 0.26
    Short distance between intersections 44.4 21.1 10.0 24.4 2.9 (1.2) 41.5 0.22
    Many 4-way intersections 35.5 20.4 10.8 33.3 2.6 (1.3) 47.4 0.51
    Many alternative travel routes 48.4 28.0 5.4 18.3 3.1 (1.1) 56.0 0.66
Infrastructure for walking/cycling 0.76
    Sidewalks on most streets 48.4 18.3 3.2 30.1 2.9 (1.3) 63.5 0.77
    Well-maintained sidewalks 29.3 27.2 7.6 35.9 2.5 (1.3) 60.7 0.69
    Bike/pedestrian trails accessible 17.4 17.4 9.8 55.4 2.0 (1.2) 47.8 0.52
    Sidewalks separated from the roads by parked cars 22.6 16.1 7.5 53.8 2.1 (1.3) 52.8 0.56
    Grass/dirt strip separates the streets from sidewalks 38.7 12.9 9.7 38.7 2.5 (1.4) 53.3 0.65
    Neighborhood safe for biking 58.1 30.1 2.2 9.7 3.4 (0.9) 49.5 0.45
Neighborhood aesthetics 0.66
    Trees along the streets 58.1 25.8 2.2 14.0 3.3 (1.1) 53.9 0.57
    Trees/canopy cover along the sidewalks 17.6 24.2 3.3 54.9 2.0 (1.2) 42.9 0.49
    Many interesting sights while walking 38.7 36.6 12.9 11.8 3.0 (1.0) 57.0 0.64
    Neighborhood free from litter 50.5 34.4 6.5 8.6 3.3 (0.9) 51.1 0.46
    Attractive views/landscape 35.9 27.2 20.7 16.3 2.8 (1.1) 46.8 0.54
    Attractive buildings/homes 39.8 41.9 9.7 8.6 3.1 (0.9) 51.1 0.64
Neighborhood safety 0.69,b 0.64c
    Too much traffic to walk along the street where you live 7.5 14.0 17.2 61.3 1.7 (1.0) 52.8 0.59
    Too much traffic to walk along the nearby street 9.7 15.1 17.2 58.1 1.8 (1.0) 45.1 0.46
    Slow traffic speed on the street where you live 48.4 24.7 12.9 14.0 3.1 (1.1) 39.1 0.34
    Slow traffic speed on the nearby street 36.6 28.0 18.3 17.2 2.8 (1.1) 41.8 0.39
    Streets well lit at night 35.5 32.3 9.7 22.6 2.8 (1.2) 48.8 0.44
    Most drivers exceed the posted speed limit while driving in the neighborhood 35.9 23.9 20.7 19.6 2.8 (1.1) 49.5 0.56
    Walkers/bikers visible in the neighborhood 46.2 35.2 6.6 12.1 3.2 (1.0) 51.7 0.57
    Crosswalks/pedestrian signals to help crossing busy streets 33.3 18.3 7.5 40.9 2.4 (1.3) 49.6 0.56
    Crosswalks help walkers feel safe crossing busy street 27.2 23.9 8.7 40.2 2.4 (1.3) 53.5 0.61
    Lots of exhaust fumes when walking 4.3 18.3 18.3 59.1 1.7 (0.9) 59.1 0.63
    Greet people while walking 48.9 35.9 8.7 6.5 3.3 (0.9) 56.6 0.44
    High crime rate in the neighborhood 6.5 6.5 20.7 66.3 1.5 (0.9) 63.1 0.61
    Unsafe walking during the day because of crime rate 0.0 5.4 22.6 72.0 1.3 (0.6) 61.3 0.31
    Unsafe walking at night due to crime rate 12.0 13.0 16.3 58.7 1.8 (1.1) 59.7 0.69
    Safe for a kid to walk around the block alone during the day 55.9 26.9 8.6 8.6 3.3 (1.0) 56.9 0.49
Neighborhood satisfaction 0.65
Acceptance of Statements
Characteristic Strongly Agree, % Agree, % Slightly Agree, % Neither Agree nor Disagree, % Slightly Disagree, % Disagree, % Strongly Disagree, % Mean (SD) Observed Agreement, % ICC
Note: ICC = intraclass correlation coefficient.
aWeighted by the following formula: (1 × single-family detached) + (12 × row houses/townhouses 1–3 stories) + (10 × apartments/condos 1–3 stories) + (25 × apartments/condos 4–6 stories) + (50 × apartments/condos 7–12 stories) + (75 × apartments/condos ≥ 13 stories).
bFor traffic section within the Neighborhood safety domain.
cFor crime section within the Neighborhood safety domain.
Freeway access from home 32.3 25.8 12.9 16.1 4.3 2.2 6.5 5.3 (1.7) 32.4 0.50
Access to the bus/trolley system 22.6 24.7 6.5 19.4 2.2 2.2 22.6 4.5 (2.2) 43.6 0.61
Commuting time to work/school 46.2 24.7 9.7 7.5 4.3 2.2 5.4 5.7 (1.7) 46.4 0.44
Access to shopping 36.6 28.0 11.8 1.1 8.6 4.3 9.7 5.3 (2.0) 39.8 0.51
Number of neighborhood friends 37.6 30.1 14.0 2.2 3.2 6.5 6.5 5.5 (1.8) 45.2 0.63
ANumber of neighborhood acquaintances 40.9 34.4 10.8 4.3 1.1 2.2 6.5 5.8 (1.7) 43.1 0.52
How easy/pleasant to walk in the neighborhood 50.5 29.0 8.6 3.2 1.1 2.2 5.4 6.0 (1.6) 45.2 0.67
How easy/pleasant to bike in the neighborhood 41.9 29.0 8.6 5.4 4.3 5.4 5.4 5.6 (1.8) 43.1 0.56
Neighborhood a good place to raise children 55.9 20.4 7.5 3.2 1.1 6.5 5.4 5.9 (1.8) 49.6 0.69
Neighborhood a good place to live 65.6 20.4 5.4 2.2 1.1 2.2 3.2 6.3 (1.4) 57.0 0.73