24 h recall (reference)1 | Photo method1 | FFQ | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Category | Mean intake (dl) | Cons. (%) | Mean intake (dl) | Diff. (%) | Wilcoxon signed rank test (P) | Spearman’s rho | Cons. (%) | Correctly classified (%) | Mean intake (dl) | Diff. (%) | Wilcoxon signed rank test (P) | Spearman’s rho | Cons. (%) | Correctly classified (%) | |||
Fruits and vegetables | 16.8 (10.4) | 100 | 11.2 (9.5) | −33 | 0.003 | ** | 0.609 | ** | 100 | 100 | 12.1 (11.3) | −28 | 0.126 | 0.342 | 100 | 100 | |
- fruit | 7.8 (6.2) | 84 | 4.8 (6.0) | −38 | 0.020 | * | 0.562 | * | 68 | 81 | 6.2 (5.8) | −21 | 0.372 | 0.386 | 100 | 100 | |
- vegetables | 9.0 (6.4) | 100 | 6.4 (4.5) | −29 | 0.006 | ** | 0.688 | ** | 100 | 100 | 5.9 (7.5) | −35 | 0.022 | * | 0.377 | 100 | 100 |
Energy dense foods | 3.0 (3.7) | 79 | 2.0 (3.0) | −32 | 0.056 | 0.612 | ** | 58 | 73 | 7.3 (3.5) | 144 | 0.004 | ** | 0.106 | 100 | 100 | |
- cakes/biscuits | 1.4 (2.0) | 63 | 0.8 (1.6) | −43 | 0.074 | 0.575 | * | 32 | 50 | 1.6 (1.3) | 13 | 0.280 | 0.485 | 84 | 92 | ||
- sweets/chocolate | 0.4 (0.7) | 37 | 0.3 (0.8) | −14 | 0.866 | 0.600 | ** | 21 | 57 | 2.0 (1.8) | 405 | 0.001 | ** | 0.420 | 68 | 86 | |
- ice-cream | 0.7 (1.7) | 21 | 0.7 (1.7) | −2 | 1.000 | 0.997 | ** | 21 | 100 | 1.6 (1.1) | 132 | 0.021 | * | −0.202 | 84 | 75 | |
- crisps/savoury snacks | 0.5 (1.3) | 16 | 0.2 (0.6) | −56 | 0.285 | 0.990 | ** | 16 | 100 | 2.2 (1.7) | 318 | 0.007 | ** | −0.026 | 79 | 67 | |
Sweet drinks | 6.9 (6.5) | 74 | 5.7 (5.7) | −17 | 0.147 | 0.845 | ** | 74 | 93 | 6.6 (5.9) | −5 | 0.383 | 0.259 | 95 | 100 | ||
- soft drinks | 3.0 (3.5) | 58 | 1.9 (3.2) | −35 | 0.074 | 0.593 | ** | 37 | 55 | 2.0 (3.4) | −33 | 0.333 | −0.315 | 53 | 46 | ||
- sweetened milk | 1.5 (2.9) | 26 | 1.2 (2.5) | −19 | 0.066 | 0.998 | ** | 26 | 100 | 3.0 (4.2) | 102 | 0.195 | 0.275 | 63 | 100 | ||
- fruit juice | 2.4 (4.9) | 37 | 2.6 (4.3) | 8 | 0.573 | 0.761 | ** | 53 | 86 | 1.6 (2.4) | −35 | 0.900 | −0,261 | 53 | 43 |