Table 2 Single measure Intraclass correlation coefficients and 95% confidence intervals for food variety and servings
| Â | Variety (number of types)1 | Servings (number of servings) | ||
|---|---|---|---|---|
| Â | Reliability (95% CI) | Validity (95% CI) | Reliability (95% CI) | Validity (95% CI) |
Fresh fruit | 0.37 (0.09–0.59) | 0.54 (0.37–0.68) | 0.22 (-0.07 – 0.48) | 0.39 (0.20–0.56) |
Canned fruit | 0.81 (0.68–0.89) | 0.66 (0.51–0.76) | 0.84 (0.72 – 0.91) | 0.68 (0.55–0.78) |
Frozen fruit | 0.85 (0.75–0.92) | 0.71 (0.59–0.81) | 0.91 (0.84 – 0.95) | 0.83 (0.76–0.89) |
Dried fruit | 0.89 (0.81–0.94) | 0.88 (0.82–0.92) | 0.39 (0.11 – 0.61) | 0.67 (0.53–0.77) |
Fresh vegetables | 0.81 (0.70–0.90) | 0.70 (0.57–0.80) | 0.77 (0.62 – 0.87) | 0.30 (0.09–0.48) |
Canned vegetables | 0.89 (0.81–0.94) | 0.70 (0.57–0.79) | 0.81 (0.68 – 0.89) | 0.68 (0.54–0.78) |
Frozen vegetables | 0.83 (0.71–0.90) | 0.82 (0.73–0.88) | 0.63 (0.42 – 0.78) | 0.74 (0.63–0.83) |
Salty/savory snacks | 0.85 (0.75–0.92) | 0.48 (0.29–0.63) | 0.71 (0.53 – 0.83) | 0.46 (0.28–0.61) |
Sweet snacks | 0.65 (0.44–0.77) | 0.30 (0.09–0.49) | 0.64 (0.42 – 0.78) | 0.32 (0.12–0.50) |
Candy | -2 | -2 | 0.49 (0.23 – 0.68) | 0.64 (0.50–0.75) |
Soda | 0.77 (0.62–0.87) | 0.76 (0.65–0.85) | 0.69 (0.50 – 0.82) | 0.66 (0.53–0.77) |