Table 1.
Descriptive characteristics of the subjects included in the relative validity and reproducibility study.
| Characteristic | Validity (n=92) | Reproducibility (n=223) | |
| Sex (women), n (%) | 58 (63.0) | 167 (74.9) | |
| Age (years), mean (SD) | 47.7 (14.9) | 40.5 (14.9) | |
| Body mass index (kg/m2), mean (SD) | 23.6 (3.3) | 23.5 (4.2) | |
| Area of residence, n (%) |
|
|
|
|
|
South | 15 (16.3) | 60 (27.0) |
|
|
West | 10 (10.9) | 19 (8.6) |
|
|
North | 1 (1.1) | 8 (3.6) |
|
|
East | 7 (7.6) | 13 (5.9) |
|
|
Center | 6 (6.5) | 13 (5.9) |
|
|
Overseas departments | 0 (0) | 3 (1.4) |
|
|
Paris and suburbs | 53 (57.6) | 106 (47.7) |
| Number of 24-hour recall days, n (%) |
|
|
|
|
|
3 | 5 (5.4) | N/Aa |
|
|
4 | 4 (4.3) | N/A |
|
|
5 | 15 (16.3) | N/A |
|
|
6 | 68 (73.9) | N/A |
| Distribution of 24-hour recall days (average %) |
|
|
|
|
|
Weekday | 67 (73.3) | N/A |
|
|
Weekend | 25 (26.7) | N/A |
|
|
Autumn and winter | 49 (53.0) | N/A |
|
|
Spring and summer | 43 (47.0) | N/A |
aN/A: not applicable.