Table 4. The analysis of willingness to change dietary habits under the status of baseline.
| Dietary custom | Unchange (N, %) | Increase (N, %) | Decrease (N, %) | Uncertain (N, %) | Total (N, %) | χ2 | P-value |
| Salt | |||||||
| High | 1,872 (38.6) | 737 (15.2) | 2,035 (41.9) | 210 (4.3) | 4,854 (100) | 482.027 | <0.001 |
| Medium | 6,574 (46.7) | 2,467 (17.5) | 4,134 (29.3) | 914 (6.5) | 14,089 (100) | ||
| Low | 1,978 (56.3) | 332 (9.4) | 988 (28.1) | 218 (6.2) | 3,516 (100) | ||
| Total | 10,424 (46.4) | 3,536 (15.7) | 7,157 (31.9) | 1,342 (6.0) | 22,459 (100) | ||
| Fried foods | |||||||
| Every day | 1,902 (63.6) | 467 (15.6) | 557 (18.6) | 65 (2.2) | 2,991 (100) | 4,700.632 | <0.001 |
| 4–6 days/week | 1,126 (18.2) | 2,270 (36.8) | 2,597 (42.1) | 181 (2.9) | 6,174 (100) | ||
| 2–3 days/week | 1,207 (16.9) | 1,375 (19.3) | 4,196 (58.8) | 352 (4.9) | 7,130 (100) | ||
| <1 days/week | 2,362 (38.3) | 282 (4.6) | 2,984 (48.4) | 536 (8.7) | 6,164 (100) | ||
| Total | 6,597 (29.4) | 4,394 (19.6) | 10,334 (46.0) | 1,134 (5.0) | 22,459 (100) | ||
| Sugary foods | |||||||
| Every day | 2,795 (59.8) | 742 (15.9) | 998 (21.3) | 140 (3) | 4,675 (100) | 3,995.560 | <0.001 |
| 4–6 days/week | 1,329 (19.8) | 2,421 (36.0) | 2,706 (40.3) | 263 (3.9) | 6,719 (100) | ||
| 2–3 days/week | 1,843 (23.7) | 1,320 (17.0) | 4,108 (52.9) | 498 (6.4) | 7,769 (100) | ||
| <1 days/week | 1,210 (36.7) | 225 (6.8) | 1,388 (42.1) | 473 (14.4) | 3,296 (100) | ||
| Total | 7,177 (32.0) | 4,708 (21.0) | 9,200 (41.0) | 1,374 (6.1) | 22,459 (100) |