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. 2013 Jan 18;15(1):e13. doi: 10.2196/jmir.2217

Table 5.

Spearman rank correlations (ρ) and concordance correlation coefficients (ρc) between participants’ composed meals using the two meal instruments by body mass index (BMI).

Composed meal BMI < 25 (n=18) BMI ≥ 25 (n=33)

ρa ρc a ρa ρc a
Reported intake b




Total energy, kJ 0.76 0.63 0.67 0.73

Total energy including drinks, kJ 0.76 0.64 0.82 0.74

Total meal, g 0.68 0.70 0.70 0.66

Total carbohydrates, kJ 0.34 0.44 0.70 0.85

Total carbohydrates, g 0.49 0.60 0.77 0.78

Total proteins, kJ 0.60 0.59 0.75 0.86

Total proteins, g 0.76 0.59 0.69 0.76

Total fat, kJ 0.42 0.30 0.66 0.79

Total fat, g 0.57 0.52 0.68 0.71
Food items (number of)




Potatoes 0.38 0.31 0.75 0.79

Meat, pork chops 0.59 0.55 0.74 0.77

Green peas, tbsp 0.70 0.41 0.65 0.53

Gravy, tbsp 0.49 0.53 0.57 0.50

Bread, slices 0.62 0.59 0.76 0.71

Cucumber, slices 0.23 0.41 0.57 0.53

a All are statistically significant (P<.05).

b If not noted, reported intake is excluding intake from beverages.