Table 4.
Rates of plausible and implausible intakes for each assessment method.
| Time Point | Method | Sample (n) |
Lowe Cut-Off | Upper Cut-Off | Mean (EI/BMR) | Under-Reporters | Plausible Reporters |
Over-Reporters | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | ||||||
| T1 | WR | 50 | 1.20 | 1.41 | 1.20 | 9 | 18% | 41 | 82% | 0 | 0% |
| T2 | WR | 45 | 1.19 | 1.42 | 1.19 | 6 | 13% | 37 | 82% | 2 | 4% |
| T1 | FD | 48 | 1.20 | 1.41 | 1.45 | 4 | 8% | 39 | 81% | 5 | 10% |
| T2 | FD | 44 | 1.19 | 1.42 | 1.14 | 11 | 25% | 33 | 75% | 0 | 0% |
| T1 | PR (day of WR) | 50 | 1.20 | 1.41 | 1.02 | 13 | 26% | 37 | 74% | 0 | 0% |
| T2 | PR (day of WR) | 43 | 1.19 | 1.42 | 1.05 | 10 | 23% | 32 | 74% | 1 | 2% |
| T1 | PR (day of FD) | 49 | 1.20 | 1.41 | 1.05 | 13 | 27% | 36 | 74% | 0 | 0% |
| T2 | PR (day of FD) | 46 | 1.19 | 1.41 | 1.04 | 15 | 33% | 30 | 65% | 1 | 2% |
| T1 | PR (3 days) | 50 | 1.22 | 1.38 | 1.04 | 17 | 34% | 32 | 64% | 1 | 2% |
| T2 | PR (3 days) | 46 | 1.22 | 1.39 | 1.01 | 16 | 35% | 30 | 65% | 0 | 0% |
BMR: Basal metabolic rate, EI: Estimated energy intake, FD: 1-day Food diary, PR: Photographic food record, n: number of participants, WR: 1-day Weighed food record.