Table 2.
Mean difference and limits of agreementa between electronic diet recording (Nutrihand and Tap & Track) and dietitian-entered handwritten records (GRAND).
| Comparison | Mean difference | 95% Limits of Agreement | ||
| Lower limit | Upper limit | |||
| Nutrihand to GRAND | ||||
|
|
Energy (kcal) | 85.3 | −851.5 | 1022.1 |
|
|
Carbohydrate (g) | 15.4 | −80.6 | 111.4 |
|
|
Sugars (g) | −10.5b | −47.5 | 26.6 |
|
|
Fiber (g) | -1.0 | −8.7 | 6.7 |
|
|
Protein (g) | 3.1 | −42.8 | 49.0 |
|
|
Fat (g) | 2.6 | −62.4 | 67.5 |
|
|
Saturated fatty acids (g) | 1.3 | −39.6 | 42.1 |
|
|
Sodium (mg) | 43.3 | −2319.9 | 2406.4 |
|
|
Cholesterol (mg) | 0.6 | −182.1 | 183.3 |
|
|
Vitamin A (mcg) | −185.4 | −1192.1 | 821.3 |
|
|
Vitamin C (mg) | 11.6 | −109.1 | 132.3 |
|
|
Calcium (mg) | 216.0 | −2265.5 | 2697.5 |
|
|
Iron (mg) | −0.4 | −7.6 | 6.8 |
| Tap & Track to GRAND | ||||
|
|
Energy (kcal) | −100.6 | −1748.7 | 1547.5 |
|
|
Carbohydrate (g) | −2.5 | −178.8 | 173.8 |
|
|
Sugars (g) | −3.5 | −65.8 | 58.8 |
|
|
Fiber (g) | −1.8 | −17.1 | 13.5 |
|
|
Protein (g) | −9.1 | −67.5 | 49.3 |
|
|
Fat (g) | −9.6 | −94.5 | 75.3 |
|
|
Saturated fatty acids (g) | −4.7 | −32.7 | 23.3 |
|
|
Sodium (mg) | −35.1 | −2959.1 | 2889.0 |
aThe upper and lower limits of agreement define the range within which most differences between the methods are expected to occur.
b P<.05 by mixed model analysis of variance.