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. 2019 Apr 11;7(4):e11531. doi: 10.2196/11531

Table 7.

Weighted kappa derived from the electronic 12-hour dietary recall app versus the food frequency questionnaire for categories of food group consumption and strata: smoking: no and yes; physical activity (minutes/week): ≥150 and <150; and body mass index (kg/m2): <25 and ≥25. Comparison of the electronic 12-hour dietary recall app versus the food frequency questionnaire.

Food groups Alla Smoking Physical activity (minutes/week) Body mass index (kg/m2)

No Yes ≥150 <150 <25 ≥25
Fruit 0.65 0.65 0.65 0.63 0.67 0.63 0.68
Vegetables 0.54 0.56 0.43b 0.56 0.48 0.54 0.55
Legumes 0.37 0.37 0.33b 0.37 0.35 0.35 0.40
Chicken/Turkey 0.40 0.43 0.26b 0.39 0.41 0.45 0.31
Fish 0.30 0.30 0.34b 0.30 0.30 0.34 0.23b
Red meat 0.46 0.46 0.45 0.44 0.49 0.46 0.43
Soft drinks 0.59 0.59 0.60 0.62 0.55 0.60 0.55
Sweets 0.49 0.49 0.44 0.51 0.45 0.48 0.49
Prepared foods 0.40 0.44 0.22b 0.41 0.37 0.39 0.44
Beer 0.68 0.67 0.66 0.71 0.61 0.70 0.63
Average 0.49 0.50 0.44 0.49 0.47 0.49 0.47

aP<.001 for all data, except:

bP<.05.