Table 2.

Single measure Intraclass correlation coefficients and 95% confidence intervals for food variety and servings

	Variety (number of types)1		Servings (number of servings)
	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)

¹Calculated from average serving size for each item; ²Variety of candy not calculated