Table 1.
Baseline data
| Characteristics | N | % |
| Gender | ||
| Male | 461 | 43.08 |
| Female | 609 | 56.92 |
| Area | ||
| Nanjing | 711 | 66.45 |
| Non-Nanjing | 359 | 33.55 |
| Education | ||
| Freshman | 226 | 21.12 |
| Sophomore | 207 | 19.35 |
| Junior | 215 | 20.09 |
| Senior | 178 | 16.64 |
| Master candidate | 185 | 17.29 |
| PhD candidate | 59 | 5.51 |
| Type of major | ||
| Engineering | 413 | 38.60 |
| Medicine | 236 | 22.06 |
| Liberal arts* | 361 | 33.74 |
| Other† | 60 | 5.61 |
| Cost of living (Chinese yuan) | ||
| <¥1000 | 194 | 18.13 |
| ¥1000–¥2000 | 621 | 58.04 |
| ¥2000–¥3000 | 203 | 18.97 |
| >¥3000 | 52 | 4.86 |
| Sports time change | ||
| Decrease | 444 | 41.50 |
| No change | 379 | 35.42 |
| Increase | 247 | 23.08 |
*Liberal arts include literature, law and philosophy.
†Other includes science, agriculture, management, economics, art, education, history, military.