Table 3.
Actual values for surrogate tertiles of usual daily total fat, saturated, mono-, and poly-unsaturated fatty acid, fibre, alcohol, caffeine, and theobromine intakes with the food-frequency questionnaire and the 7 d estimated diet records as surrogate and reference method, respectively.
| 1st tertile | 2ndtertile | 3rd tertile | P | ||||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | ||
| Total fat (g/d) | 61.8 | 11.7 | 74.8 | 14.4 | 78.2 | 23.6 | 0.103μ |
| Saturated fatty acids (g/d) | 26.3 | 7.30 | 30.1 | 6.15 | 32.8 | 12.8 | 0.303μ |
| Mono-unsaturated fatty acids (g/d) | 22.0 | 4.16 | 27.4 | 7.18 | 31.7 | 8.54 | 0.017μ |
| Poly-unsaturated fatty acids (g/d) | 9.33 | 2.45 | 12.7 | 3.00 | 12.3 | 2.34 | 0.015μ |
| Fibres (g/d) | 21.6 | 4.09 | 20.6 | 3.96 | 27.3 | 5.53 | 0.002μ |
| Alcohol (g/d) | 1.43 | 3.37 | 5.03 | 5.08 | 21.8 | 9.52 | 0.001† |
| Caffeine (mg/d) | 130 | 105 | 168 | 71.4 | 314 | 122 | 0.001μ |
| Theobromine (mg/d) | 22.1 | 35.1 | 53.1 | 51.6 | 61.8 | 60.0 | 0.016† |
μ
One-way ANOVA test;
†
Median test