Table 2

One-week test-retest reliability of PAMI variables; mean ± SD with Intraclass Correlation Coefficient (ICC) and 95% Confidence Interval (CI) or percent with Mantel-Hanzel Chi Square

Variable
Time 1
Time 2
ICC (95% CI)

Total number of rooms
11.9 ± 3.10
12.5 ± 3.22
0.86 (0.70 – 0.94)
Physical Activity Equipment



     # of Items
65.7 ± 56.52
64.8 ± 58.06
0.94 (0.87 – 0.98)
     Household Density
5.1 ± 4.16
5.0 ± 4.53
0.84 (0.86 – 0.97)
     Ave # of Items/Bedroom
3.3 ± 3.10
3.5 ± 3.30
0.76 (0.51 – 0.89)
     Checklist Quantity
16.4 ± 7.85
17.5 ± 7.63
0.93 (0.84 – 0.97)
     Accessibility



          Away and difficult to get to
8.7
4.4
M-H χ2 = 0.46, p = 0.50
          Away and easy to get to
17.8
21.5

          In view and difficult to get to
2.9
2.3

          In view and easy to get to
70.3
71.9

     PAASS
207.4 ± 166.74
216.8 ± 190.12
0.87 (0.74 – 0.94)




Media Equipment



     # of Items
8.4 ± 5.02
8.4 ± 4.93
0.96 (0.91 – 0.98)
     Household Density
0.73 ± 0.38
0.73 ± 0.43
0.89 (0.76 – 0.95)
     Ave # of Items/Bedroom
2.4 ± 0.78
2.1 ± 0.68
0.72 (0.44 – 0.87)
     # of Televisions
2.5 ± 1.20
2.7 ± 1.27
0.89 (0.76 – 0.95)
     # of Televisions in Bedrooms
1.17 ± 0.94
1.27 ± 1.03
0.93 (0.82 – 0.97)
     Accessibility



          Away and difficult to get to
1.4
2.6
M-H χ2 = 1.05, p = 0.30
          Away and easy to get to
10.3
12.7

          In view and difficult to get to
0.7
1.3

          In view and easy to get to
87.6
83.4

     MAASS
32.0 ± 25.5
31.2 ± 18.84
0.93 (0.84 – 0.97)

PAASS, Physical activity Availability and Accessibility Summary Score

MAASS, Media Availability and Accessibility Summary Score

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