Table 3.
Validity estimates for the home environment features (N=15).
| Home environment feature | Intraclass correlations (95% CI) | Kappa (95% CI) | % Agreement | |
| Food availability | ||||
| Fresh fruita | — | —b | 100 | |
| Tinned fruit | — | —b | 60 | |
| Dried fruit | — | 0.39 (0.06 to 0.72) | 67 | |
| Frozen fruita | — | —b | 80 | |
| Fresh vegetablesa | — | —b | 93 | |
| Tinned vegetables | — | 0.12 (–0.11 to 0.35) | 53 | |
| Frozen vegetables | — | 0.11 (–0.09 to 0.30) | 40 | |
| Savory snacksa | — | 0.45 (0.04 to 0.87) | 73 | |
| Sweet snacks | — | 0.13 (–0.07 to 0.32) | 33 | |
| Confectionery | — | 0.31 (–0.07 to 0.69) | 60 | |
| Fruit juicea | — | 0.59 (0.16 to 1.01) | 80 | |
| Squasha | — | 0.51 (0.06 to 0.97) | 80 | |
| Fizzy drinks | — | 0.19 (–0.35 to 0.72) | 73 | |
| Smoothiesa | — | 0.44 (–0.17 to 1.06) | 87 | |
| Skimmed/semi-skimmed milka | — | 0.47 (0.07 to 0.88) | 80 | |
| Full-fat milka | — | 0.73 (0.41 to 1.04) | 87 | |
| Food variety | ||||
| Fresh fruita | 0.43 (–0.09 to 0.76) | — | — | |
| Tinned fruit | —b | — | — | |
| Dried fruit | 0.19 (–0.34 to 0.63) | — | — | |
| Frozen fruit | —b | — | — | |
| Fresh vegetablesa | 0.72 (0.35 – 0.90) | — | — | |
| Tinned vegetables | 0.28 (–0.25 to 0.68) | — | — | |
| Frozen vegetables | 0.00 (–0.49 to 0.50) | — | — | |
| Savory snacks | 0.37 (–0.15 to 0.73) | — | — | |
| Sweet snacksa | 0.46 (–0.04 to 0.78) | — | — | |
| Confectionery | 0.38 (–0.14 to 0.74) | — | — | |
| Food displayed | ||||
| Any fruita | — | —b | 93 | |
| Ready-to-eat vegetablesa | — | —b | 87 | |
| Savory snacksa | — | —b | 100 | |
| Sweet snacks | — | –0.19 (–0.40 to 0.02) | 67 | |
| Confectionerya | — | –0.07 (–0.19 to 0.05)c | 87 | |
| Fruit juicea | — | —b | 100 | |
| Squasha | — | 0.76 (0.26 to 1.26) | 93 | |
| Fizzy drinksa | — | —b | 93 | |
| Smoothiesa | — | —b | 100 | |
| Family meals | ||||
| Breakfasta | — | —b | 100 | |
| Luncha | — | —b | 83 | |
| Dinnera | — | 0.63 (–0.09 to 1.35) | 92 | |
| Child eating while watching TV | ||||
| Breakfast | — | —b | 77 | |
| Luncha | — | —b | 92 | |
| Dinnera | — | 0.63 (–0.16 to 1.41) | 92 | |
| Snacks | — | 0.10 (–0.36 to 0.57) | 64 | |
| Activity facilities | ||||
| Gardena | — | 0.67 (0.26 to 1.07) | 87 | |
| Garden equipmenta | — | 0.63 (–0.03 to 1.28) | 92 | |
| Household media equipment | ||||
| Number of TVs | 0.97 (0.92 to 0.99) | — | — | |
| Number of VCR/DVD playersa | 0.82 (0.55 to 0.94) | — | — | |
| Number of computers | 0.30 (–0.23 to 0.69) | — | — | |
| Number of games consolesa | 0.55 (0.08 to 0.82) | — | — | |
| Presence of cable or satellitea | — | —b | 100 | |
| Child’s bedroom media equipment | ||||
| TVa | — | 0.76 (0.27 to 1.25) | 93 | |
| Computera | — | —b | 100 | |
| Consolea | — | 0.63 (–0.06 to 1.33) | 93 | |
| Caregiver TV viewing (hours) | ||||
| Weekdaya | 0.55 (–0.13 to 0.88) | — | — | |
| Weekenda | 0.57 (–0.15 to 0.90) | — | — | |
aFeature has satisfactory validity.
bICC was not calculated due to zero variance items or kappa could not be calculated due to cell counts equalling zero.
cThere was just one yes response at the time of the HEI and one yes response captured by SenseCam (ppos was 0.00, but pneg was high [0.93]).