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. 2015 Dec 7;17(12):e273. doi: 10.2196/jmir.5031

Table 3.

Proportion of different sizes of omitteda and intrudedb food items during school lunch for all 8- and 9-year-old participants (N=117) in a validation study of a Web-based Food Record in Norway.

Items Nd Proportion of different sizesc of omitted food items, n (%) Nf Proportion of different sizesc of intruded food items, n (%)


XS S M L Missinge
XS S M L Missinge
All food items 136 28 (20.6) 29 (21.3) 21 (15.4) 22 (16.2) 36 (26.5) 91 9 (9.9) 24 (26.4) 30 (33.3) 28 (30.8)
Spreads 41 7 (17.1) 7 (17.1) 12 (29.3) 3 (7.3) 12 (29.3) 22 2 (9.1) 10 (45.5) 6 (27.3) 4 (18.2)
Bread products 5 1 (20.0) 1 (20.0) 3 (60.0) 0 (0.0) 7 0 (0.0) 5 (71.4) 2 (28.6)
Fruit, berries 22 10 (45.5) 5 (22.7) 0 (0.0) 3 (13.6) 4 (18.2) 12 2 (16.7) 2 (16.7) 3 (25.0) 5 (41.7)
Vegetables, salads 23 5 (21.7) 9 (39.1) 5 (21.7) 1 (4.3) 3 (13.0) 7 1 (14.3) 4 (57.1) 1 (14.3) 1 (14.3)
Milk 3 0 (0.0) 0 (0.0) 0 (0.0) 2 (66.7) 1 (33.3) 6 0 (0.0) 0 (0.0) 2 (33.3) 4 (66.7)
Beverages, other 8 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 8 (100.0) 26 2 (7.7) 8 (30.8) 9 (34.6) 7 (26.9)
Dinner leftovers 7 1 (14.3) 2 (28.6) 2 (28.6) 1 (14. 3) 1 (14.3) 1 1 (100) 0 (0.0) 0 (0.0) 0 (0.0)
Miscellaneous 8 1 (12.5) 0 (0.0) 1 (12.5) 2 (25.0) 4 (50.0) 3 0 (0.0) 0 (0.0) 3 (100.0) 0 (0.0)
Biscuits, buns, waffles, cakes, and candy 12 4 (33.3) 5 (41.7) 0 (0.0) 2 (16.7) 1 (8.3) 2 1 (50.0) 0 (0.0) 1 (50.0) 0 (0.0)
Yogurt 7 0 (0.0) 0 (0.0) 5 (71.4) 2 (28.6) 5 0 (0.0) 0 (0.0) 5 (100.0)

aItems observed eaten, but not recorded.

bItems recorded, but not observed eaten.

cPortion sizes were divided into the following categories: XS=extra small, S=small, M=medium, L=large, based on the photo series available for each food item.

dNumber of omitted food items included in analyses.

ePortion size not possible to observe with certainty, that is, when participants drank from dark-colored drinking bottles or milk cartons, or when participants ate a sandwich where spreads were partially hidden because it was placed in between 2 slices of bread.

fNumber of intruded food items included in analyses.