Table 3.
Dietary intake and physical activity at baseline and week 12 in both groups.
|
CG
N = 152 |
PNG
N = 166 |
Between-group difference | ||
|---|---|---|---|---|
| P-value | ||||
| Diet | ||||
| Energy, kcal/d | Baseline | 1491.5 (1168.5, 1947.0) | 1481.0 (1158.0, 1959.0) | 0.485 |
| Week 12 | 1481.5 (1137.0, 1905.0) | 1411.0 (1079.0, 1767.0) | ||
| Whole grain, g/d | Baseline | 7.1 (0.0, 28.6) | 8.6 (0.0, 28.6) | <0.0001 |
| Week 12 | 12.0 (0.0, 46.4) | 35.7 (14.3, 57.1) | ||
| Vegetables, g/d | Baseline | 187.1 (111.8, 315.0) | 191.4 (100.0, 365.7) | <0.0001 |
| Week 12 | 262.9 (162.1, 380.7) | 323.4 (257.1, 402.9) | ||
| Dark green vegetables, g/d | Baseline | 128.6 (71.4, 214.3) | 137.9 (64.3, 228.6) | <0.0001 |
| Week 12 | 201.8 (109.3, 296.4) | 260.0 (194.3, 337.1) | ||
| Fruits, g/d | Baseline | 127.1 (57.1, 228.6) | 107.1 (57.1, 200.0) | <0.0001 |
| Week 12 | 133.9 (56.4, 264.3) | 221.4 (146.4, 303.6) | ||
| Dairy products, g/d | Baseline | 114.3 (34.3, 250.0) | 142.9 (47.1, 235.7) | 0.002 |
| Week 12 | 128.6 (57.1, 242.9) | 200.0 (85.7, 292.9) | ||
| Red meat, g/d | Baseline | 57.1 (28.6, 100.0) | 64.3 (32.9, 114.3) | 0.614 |
| Week 12 | 57.1 (29.3, 392.9) | 53.2 (32.1, 81.4) | ||
| Nuts, g/d | Baseline | 0 (0, 15.7) | 0 (0, 214.3) | 0.014 |
| Week 12 | 0 (0, 13.6) | 7.1 (0, 20.0) | ||
| Salt, g/d | Baseline | 8.0 (6.0, 10.0) | 7.0 (5.0, 12.0) | 0.484 |
| Week 12 | 6.0 (5.0, 10.0) | 6.0 (4.3, 8.0) | ||
| CDGI | Baseline | 55.7 (11.7) | 55.7 (11.4) | <0.0001 |
| Week 12 | 58.6 (12.2) | 67.0 (10.9) | ||
| Physical activity | ||||
| Vigorous MET, min/w | Baseline | 0 (0, 480) | 0 (0, 960) | 0.0009 |
| Week 12 | 0 (0, 0) | 0 (0, 960) | ||
| Moderate MET, min/w | Baseline | 320 (0, 960) | 360 (0, 1080) | <0.0001 |
| Week 12 | 240 (0, 840) | 720 (240, 1680) | ||
| Walking MET, min/w | Baseline | 1386 (693, 2079) | 1386 (693, 1485) | 0.372 |
| Week 12 | 1040 (693, 1601) | 1386 (693, 1733) | ||
| Total MET, min/w | Baseline | 2418 (1386, 3359) | 2127 (1215, 3564) | <0.0001 |
| Week 12 | 1695 (962, 3066) | 2757 (1392, 4558) | ||
| Sitting duration, h/d | Baseline | 5 (0, 13) | 5 (0, 13) | 0.042 |
| Week 12 | 5.75 (0, 12.5) | 5 (0.08, 12) | ||
| Sleeping duration, h/d | Baseline | 7 (3, 12) | 7 (3, 10) | 0.389 |
| Week 12 | 7 (1, 10) | 7 (1, 10) |
Data are presented as median (1st quartile, 3rd quartile) or mean (standard deviation).
Intergroup differences at week 12 were evaluated using Wilcoxon–Mann–Whitney test or ANCOVA adjusted for baseline values.
CDGI, China dietary guidelines index; MET, metabolic equivalents of task.