|
Reliability and validity estimates for Food environment items from the HHS |
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| Reliability |
Validity |
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|
|
|
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| n |
%Agree |
Kappa (95% CI) |
PABAK1 |
Ppos |
Pneg |
n |
%Agree |
Kappa (95% CI) |
PABAKa |
SEN |
SPEC |
|
|
|
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| Fruit in view |
44 |
81.8 |
0.49 (0.19–0.79) |
0.88 |
0.60 |
78 |
78.2 |
0.32 (0.06–0.57) |
0.89 |
0.41 |
||
| Vegetables ready to eat |
43 |
79.1 |
0.57 (0.32–0.82) |
0.82 |
0.74 |
74 |
75.7 |
0.43 (0.22–0.65) |
0.79 |
0.67 |
||
| TV in view of dining area |
45 |
91.1 |
0.82 (0.65–0.99) |
0.92 |
0.90 |
78 |
78.2 |
0.57 (0.38–0.75) |
0.82 |
0.75 |
||
| Adequate counter space |
45 |
97.8 |
0.88 (0.64–1.00) |
0.96 |
0.99 |
0.89 |
78 |
92.3 |
0.22 (-0.18–0.62) |
0.85 |
0.99 |
0.17 |
| Access to candy |
43 |
86.0 |
0.72 (0.52–0.93) |
0.87 |
0.83 |
73 |
60.3 |
0.22 (0.00–0.43) |
0.57 |
0.68 |
||
| Access to soda |
41 |
85.4 |
0.71 (0.49–0.92) |
0.83 |
0.82 |
65 |
61.5 |
0.26 (0.06–0.47) |
0.54 |
0.77 |
||
| Access to sweet snacks |
44 |
81.8 |
0.62 (0.39–0.85) |
0.77 |
0.85 |
78 |
65.4 |
0.29 (0.10–0.49) |
0.63 |
0.73 |
||
| Access to savory snacks |
44 |
84.1 |
0.68 (0.47–0.90) |
0.84 |
0.84 |
78 |
57.7 |
0.07 (-0.15–0.29) |
0.63 |
0.45 |
||
|
1 Adjusted Kappa (PABAK) used if prevalence ≥85%; Ppos = proportion of positive agreement; Pneg = proportion of negative agreement; SEN = sensitivity (proportion of those reporting YES confirmed as YES by the home visit); SPE = specificity (proportion of those reporting NO confirmed as NO by the home visit); CI = confidence interval | ||||||||||||
Bryant et al. International Journal of Behavioral Nutrition and Physical Activity 2008 5:23 doi:10.1186/1479-5868-5-23 |
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