Table 3

Intake of energy, micro- and macronutrients (mean (SD) and median) by SFFQ-2007 and SFFQ-1999, mean % difference, within person difference (SD) between the SFFQs and Spearman’s correlation (r) (n = 93)
SFFQ-2007 SFFQ-1999 Mean % difference Within person difference Spearman’s correlation
Mean (SD) Median Mean (SD) Median % SD r
Energy (kJ) 4541.8 (1574.0) 4468.0 4565.1 (1542.2) 4393.0 −0.5 1618.1 0.46
Fat (g) 40.9 (15.8) 40.1 37.0 (15.6) 33.7 10.5* 16.4 0.47
Protein (g) 35.9 (13.7) 34.4 36.5 (13.5) 34.5 −1.6 15.1 0.40
Carbohydrates (g) 142.3 (51.6) 137.2 151.5 (52.8) 143.8 −6.1 54.1 0.49
Added sugar (g) 12.0 (12.0) 8.0 29.7 (22.6) 25.4 −59.6** 19.7 0.42
Calcium (mg) 681.4 (387.4) 585.0 615.1 (265.4) 600.0 10.8 367.4 0.49
Iron (mg) 10.1 (5.4) 8.9 10.0 (4.5) 10.1 1.0 5.3 0.50
Vitamin D (μg) 9.4 (5.6) 8.8 6.0 (4.7) 5.0 56.7** 5.4 0.42
% Energy from fats 33.5 (5.9) 33.7 29.7 (5.7) 29.3 12.5** 5.7 0.52
% Energy from proteins 13.5 (2.2) 13.5 13.7 (2.5) 13.3 −1.5 2.7 0.30
% Energy from carbohydrates 53.2 (5.9) 53.1 56.6 (6.5) 55.8 −6.0** 6.5 0.36
% Energy from sugar 4.7 (5.1) 3.4 11.1 (6.8) 10.0 −57.7** 7.0 0.26

Mean % difference between the SFFQs = (mean difference (SFFQ-2007 minus SFFQ-1999)/mean SFFQ-1999)*100.

*P < 0.05, **P < 0.01 (P is based on Wilcoxon’s signed rank test).

Kristiansen et al.

Kristiansen et al. BMC Public Health 2013 13:680   doi:10.1186/1471-2458-13-680

Open Data