Table 1. Socioeconomic, demographic characteristics and sexual and reproductive risk behaviors of the participants.
| Characteristic variables | N | % |
| Age (Years) | ||
| 16–20** | 311 | 32.9 |
| 21–27 | 633 | 67.1 |
| Hometown | ||
| Midwest | 176 | 18.6 |
| East | 768 | 81.4 |
| Education | ||
| Junior school | 371 | 39.3 |
| Senior school | 308 | 32.6 |
| College | 265 | 26.1 |
| Money income (CRMB*) | ||
| <1500 | 68 | 7.2 |
| 1500–3000 | 665 | 70.4 |
| >3000 | 211 | 22.4 |
| Occupation | ||
| The service industries | 348 | 36.9 |
| The manufacturing enterprises | 596 | 63.1 |
| Experience of premarital sex | ||
| Yes | 261 | 27.6 |
| No | 683 | 72.4 |
| Experience of unintended pregnancy | ||
| Yes | 40 | 15.3 |
| No | 221 | 85.7 |
| Experience of abortion | ||
| Yes | 38 | 14.6 |
| No | 223 | 85.4 |
| Experience of STI | ||
| Yes | 4 | 1.5 |
| No | 257 | 98.5 |
| Experience of venereal infections | ||
| Yes | 78 | 29.9 |
| No | 183 | 60.1 |
| Condom use | ||
| Yes | 139 | 53.3 |
| No | 122 | 46.7 |
*
CRMB: Chinese Yuan; 6.34CNY = 1 USD.
**
In China, 20 years is youngest legal age for marriage among female.