Table 3.
Participants’ characteristics according to categories of dietary behaviors scorea (n = 11,856).
| N = 11,856 | Total | Categories of dietary habits (score) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | p- valueb | ||
| Sex (male), % | 33.2 | 44.8 | 35.7 | 33.9 | 32.3 | 32.2 | 31.6 | 32.9 | 35.0 | 34.2 | 43.8 | 0.016 |
| Age, years | 19.0 (18.0, 19.0) | 19.0 (18.0, 19.0) | 19.0 (18.0, 20.0) | 19.0 (18.0, 19.0) | 19.0 (18.0, 19.0) | 19.0 (18.0, 19.0) | 19.0 (18.0, 19.0) | 19.0 (18.0, 19.0) | 19.0 (18.0, 19.0) | 19.0 (18.0, 19.0) | 19.0 (18.0, 19.0) | 0.473 |
| Annual family income, yuan | ||||||||||||
| <20,000 | 35.5 (4213) | 50.0 | 33.9 | 37.0 | 38.6 | 38.5 | 36.9 | 34.7 | 32.8 | 30.6 | 29.0 | <0.001 |
| 20,000–35,000 | 29.9 (3542) | 20.7 | 23.2 | 32.8 | 30.4 | 31.4 | 29.0 | 29.5 | 29.0 | 32.2 | 27.2 | |
| >35,000 | 34.6 (4101) | 29.3 | 42.9 | 30.2 | 31.0 | 30.1 | 34.1 | 35.8 | 38.1 | 37.3 | 43.8 | |
| The place of residence, % | ||||||||||||
| Town | 41.1 (4875) | 46.6 | 37.5 | 36.2 | 37.3 | 39.2 | 39.4 | 41.2 | 44.3 | 46.5 | 53.8 | <0.001 |
| Rural | 58.9 (6981) | 53.4 | 62.5 | 63.8 | 62.7 | 60.8 | 60.6 | 58.8 | 55.7 | 53.5 | 46.2 | |
| Father’s education level, % | ||||||||||||
| Primary and below | 23.9 (2833) | 19.0 | 29.5 | 31.5 | 26.6 | 24.8 | 24.2 | 23.3 | 22.1 | 21.7 | 16.6 | <0.001 |
| Junior High | 39.5 (4688) | 60.3 | 43.8 | 40.3 | 39.6 | 40.5 | 39.9 | 40.1 | 38.1 | 35.7 | 41.4 | |
| High School | 21.4 (2541) | 13.8 | 16.1 | 17.1 | 21.5 | 21.0 | 21.0 | 21.5 | 22.4 | 24.0 | 20.7 | |
| Bachelor degree and above | 15.1 (1794) | 6.9 | 10.7 | 11.1 | 12.3 | 13.7 | 14.9 | 15.1 | 17.4 | 18.6 | 21.3 | |
| Mother’s education level, % | ||||||||||||
| Primary and below | 31.9 (3784) | 27.6 | 39.3 | 42.4 | 35.5 | 34.0 | 31.4 | 31.2 | 29.1 | 29.1 | 27.8 | <0.001 |
| Junior High | 36.4 (4314) | 50.0 | 28.6 | 34.6 | 36.7 | 36.9 | 38.3 | 36.5 | 35.1 | 33.6 | 32.5 | |
| High School | 18.6 (2207) | 13.8 | 19.6 | 13.2 | 17.3 | 17.7 | 17.5 | 19.9 | 20.4 | 20.1 | 15.4 | |
| Bachelor degree and above | 13.1 (1551) | 8.6 | 12.5 | 9.8 | 10.5 | 11.4 | 12.7 | 12.4 | 15.4 | 17.1 | 24.3 | |
a means Continuous variables are expressed as medians (interquartile range) and categorical variables are expressed as percentages. b means P value were assessed using Kruskal Wallis test for continuous variables and chi-square test for categorical variables.