Variable | Total | Condom use | Casual extramarital partner | ||||||
---|---|---|---|---|---|---|---|---|---|
 | (n) | n | % | χ 2 | P 1 | n | % | χ 2 | P 2 |
Gender | |||||||||
 Male | 2472 | 1040 | 42.1 | 6.60 | 0.01 | 498 | 20.1 | 65.46 | <0.01 |
 Female | 2278 | 955 | 41.9 |  |  | 225 | 9.9 |  |  |
Age, y | |||||||||
 18–34 | 2276 | 1164 | 51.1 | 29.92 | <0.01 | 370 | 16.3 | 2.73 | 0.10 |
 35–65 | 2474 | 799 | 32.2 |  |  | 353 | 14.3 |  |  |
Marital status | |||||||||
 Married | 4007 | 1528 | 38.1 | 2.80 | 0.10 | 505 | 12.6 | 18.34 | <0.01 |
 Unmarried | 743 | 467 | 62.9 |  |  | 218 | 29.3 |  |  |
Education | |||||||||
 Primary school or below | 969 | 254 | 26.2 | 54.59 | <0.01 | 116 | 12.0 | 9.66 | 0.01 |
 Junior high school | 2454 | 1031 | 42.0 |  |  | 393 | 16.0 |  |  |
 Senior high school or above | 1327 | 710 | 53.5 |  |  | 214 | 16.1 |  |  |
Monthly income (RMB: yuan) | |||||||||
  < 2500 | 2552 | 958 | 37.5 | 10.45 | <0.01 | 324 | 12.7 | 1.84 | 0.18 |
  ≥ 2500 | 2198 | 1037 | 47.2 |  |  | 399 | 18.2 |  |  |
Housing | |||||||||
 Dormitory | 1218 | 514 | 42.2 | 15.57 | <0.01 | 217 | 17.8 | 14.57 | 0.01 |
 Renting with friends | 488 | 276 | 56.6 |  |  | 118 | 24.2 |  |  |
 Renting with family | 2183 | 799 | 36.6 |  |  | 232 | 10.6 |  |  |
 Renting alone | 626 | 309 | 49.4 |  |  | 129 | 20.6 |  |  |
 Self-buying | 235 | 97 | 41.3 |  |  | 27 | 11.5 |  |  |
Children (yes/no) | |||||||||
 Yes, but not in Shanghai | 1970 | 748 | 38.0 | 7.27 | 0.03 | 272 | 13.8 | 0.70 | 0.71 |
 Yes, in Shanghai | 1853 | 655 | 35.3 |  |  | 216 | 11.7 |  |  |
 No children | 927 | 560 | 60.4 |  |  | 235 | 25.4 |  |  |
Occupation | |||||||||
 Manufacture | 2166 | 950 | 43.9 | 56.06 | <0.01 | 340 | 15.7 | 55.63 | <0.01 |
 Construction | 704 | 266 | 37.8 |  |  | 117 | 16.6 |  |  |
 Accommodation/catering | 298 | 137 | 46.0 |  |  | 38 | 12.8 |  |  |
 Domestic service | 538 | 148 | 27.5 |  |  | 41 | 7.6 |  |  |
 Wholesale/retail | 585 | 178 | 30.4 |  |  | 51 | 8.7 |  |  |
 Entertainment | 459 | 316 | 68.8 |  |  | 136 | 29.6 |  |  |