TABLE 1—
Characteristics of the Participants Included in the Randomized Controlled Trial, Overall and by Randomization Group: France, 2017
| Characteristic | Nutri-Score | Reference Intakes | No Label | Total |
| Total, no. | 623 | 651 | 592 | 1866 |
| Gender, no. (%) | ||||
| Men | 158 (25.4) | 185 (28.4) | 154 (26.0) | 497 (26.6) |
| Women | 465 (74.6) | 466 (71.6) | 438 (74.0) | 1369 (73.4) |
| Age, y, mean ±SD | 20.4 ±2.0 | 20.5 ±1.9 | 20.4 ±1.9 | 20.4 ±1.9 |
| Educational level, no. (%) | ||||
| University undergraduate degree | 382 (61.3) | 384 (59.0) | 361 (61.0) | 1127 (60.4) |
| University postgraduate degree | 241 (38.7) | 267 (41.0) | 231 (39.0) | 739 (39.6) |
| Grocery shopping frequency, no. (%) | ||||
| Always | 298 (47.8) | 327 (50.2) | 283 (47.8) | 908 (48.7) |
| Often | 187 (30.0) | 173 (26.6) | 171 (28.9) | 531 (28.4) |
| Sometimes | 138 (22.2) | 151 (23.2) | 138 (23.3) | 427 (22.9) |
| Online grocery shopping, no. (%) | 196 (31.5) | 201 (30.9) | 183 (30.9) | 580 (31.1) |
| Online grocery shopping frequency, no. (%) | ||||
| ≥ 1 time per wk | 25 (12.8) | 29 (14.4) | 18 (9.8) | 72 (12.4) |
| 1 or 2 times per mo | 48 (24.5) | 41 (20.4) | 31 (16.9) | 120 (20.7) |
| 1 time every 2 or 3 mo | 45 (23.0) | 53 (26.4) | 31 (16.9) | 129 (22.2) |
| 1 or 2 times per y | 43 (21.9) | 49 (24.4) | 66 (36.1) | 158 (27.3) |
| < 1 time per y | 35 (17.9) | 29 (14.4) | 37 (20.2) | 101 (17.4) |
| Weekly budget for grocery shopping, €, no. (%) | ||||
| < 30 | 233 (37.4) | 251 (38.6) | 235 (39.7) | 719 (38.5) |
| 30–50 | 206 (33.1) | 216 (33.2) | 182 (30.7) | 604 (32.4) |
| 50–100 | 121 (19.4) | 117 (18.0) | 104 (17.6) | 342 (18.3) |
| > 100 | 63 (10.1) | 67 (10.3) | 71 (12.0) | 201 (10.8) |
| Family assistance for food supplies, no. (%) | 360 (57.8) | 365 (56.1) | 353 (59.6) | 1078 (57.8) |
| Perceived nutritional knowledge level, no. (%) | ||||
| High | 47 (7.5) | 46 (7.1) | 48 (8.1) | 141 (7.6) |
| Intermediate | 246 (39.5) | 271 (41.6) | 248 (41.9) | 765 (41.0) |
| Low | 297 (47.7) | 302 (46.4) | 264 (44.6) | 863 (46.2) |
| No knowledge | 33 (5.3) | 32 (4.9) | 32 (5.4) | 97 (5.2) |
| Nutrition facts reading frequency, no. (%) | ||||
| Always | 63 (10.1) | 91 (14.0) | 73 (12.3) | 227 (12.2) |
| Often | 218 (35.0) | 236 (36.3) | 208 (35.1) | 662 (35.5) |
| Sometimes | 270 (43.3) | 247 (37.9) | 234 (39.5) | 751 (40.2) |
| Never | 72 (11.6) | 77 (11.8) | 77 (13.0) | 226 (12.1) |
| Virtual supermarket shopping cart, mean ±SD | ||||
| Total cost, € | 47.6 ±31.4 | 49.6 ±39.2 | 46.7 ±30.1 | 48.0 ±34.0 |
| No. of products | 20.8 ±15.6 | 25.9 ±18.9 | 23.4 ±14.5 | 23.4 ±16.6 |
| Overall nutritional quality (FSAm-NPS/HCSP) score (per 100 g) | ||||
| Median (minimum, maximum) | 2.2 (−7.0, 23.0) | 2.5 (−5.6, 22.0) | 2.5 (−10.0, 15.0) | 2.4 (−10.0, 23.0) |
| Range (interquartile range) | 30.0 (4.5) | 27.6 (4.3) | 25.0 (4.1) | 33.0 (4.3) |
Note. FSAm-NPS/HCSP = Food Standards Agency Nutrient Profiling System/High Council of Public Health.