| Variable | Characteristics | n | % | Variable | Characteristics | n | % |
| Gender | Male | 736 | 48.3 | Grade | Freshman | 415 | 27.2 |
| Female | 789 | 51.7 | Sophomore | 400 | 26.2 | ||
| Family type | Only child | 378 | 24.8 | Junior | 397 | 26 | |
| Non-only child | 1147 | 75.2 | Senior | 313 | 20.6 | ||
| Major | Liberal arts | 510 | 33.4 | Family structure | Single parent | 133 | 8.7 |
| Science | 479 | 31.4 | Non-single-parent | 1392 | 91.3 | ||
| Engineering | 536 | 35.2 | Household income level (rmb/month) | <2500 | 181 | 11.9 | |
| Love experience | Before in love | 487 | 31.9 | 2500 - 5000 | 463 | 30.4 | |
| In love | 378 | 24.8 | 5000 - 10,000 | 603 | 39.5 | ||
| Household registration type | Never in love | 660 | 43.3 | 10,000 - 15,000 | 182 | 11.9 | |
| Rural | 1000 | 65.6 | >15,000 | 96 | 6.3 | ||
| City | 525 | 34.4 |
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