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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

From: Validity and reliability of a home environment inventory for physical activity and media equipment

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)
  1. PAASS, Physical activity Availability and Accessibility Summary Score
  2. MAASS, Media Availability and Accessibility Summary Score