Table 3

Reliability statistics for physical activity equipment separated by categories; Mean (SD) for participant data at Time 1 and Time 2, Intraclass Correlation Coefficient (ICC) and 95% Confidence Intervals (95% CI) or Mantel-Hanzel Chi Square test

Time 1
 Time 2
 T1 vs T2

Item Category
 n
 mean (SD)
 n
 mean (SD)
 ICC (95% CI)
Sports Equipment




     # of Items
 23
 34.6 (36.50)
 23
 33.5 (38.6)
 0.96 (0.90 – 0.98)
     Accessibility




          Away and difficult to get to
14.2
8.6
 M-H χ2 = 64.2, p < 0.01
          Away and easy to get to
25.2
27.7
          In view and difficult to get to
3.5
5.1
          In view and easy to get to
57.1
58.6
Fitness Equipment




     # of items
 21
 7.0 (4.69)
 21
 7.3 (5.93)
 0.95 (0.88 – 0.98)
     Accessibility




          Away and difficult to get to
6.6
2.2
 M-H χ2 = 5.63, p = 0.02
          Away and easy to get to
28.6
31.1
          In view and difficult to get to
3.3
2.2
          In view and easy to get to
61.5
64.4
Transportation Equipment




     # of items
 23
 7.3 (4.58)
 22
 7.8 (5.42)
 0.88 (0.74 – 0.94)
     Accessibility




          Away and difficult to get to
2.9
0.0
 M-H χ2 = 20.4, p < 0.01
          Away and easy to get to
25.7
28.2
          In view and difficult to get to
4.3
2.8
          In view and easy to get to
67.1
69.0
Water Sports Equipment




     # of items
 15
 5.5 (6.09)
 15
 5.8 (9.01)
 0.99 (0.97 – 1.00)
     Accessibility




          Away and difficult to get to
12.5
7.7
 M-H χ2 = 0.02, p = 0.87
          Away and easy to get to
45.8
26.9
          In view and difficult to get to
4.2
3.9
          In view and easy to get to
37.5
61.6
Outdoor/Yard Equipment




     # of items
 20
 12.5 (9.90)
 20
 13.5 (9.46)
 0.87 (0.70 – 0.95)
     Accessibility




          Away and difficult to get to
13.7
6.1
 M-H χ2 = 8.3, p < 0.01
          Away and easy to get to
9.2
20.6
          In view and difficult to get to
4.6
2.3
          In view and easy to get to
72.5
71.0

Sirard et al. International Journal of Behavioral Nutrition and Physical Activity 2008 5:24   doi:10.1186/1479-5868-5-24