Sexual experiences, risk taking, and outcome in 17 year old student girls with coitarche before and after age 15
| Coitarche <15 years (n=178) | % | Coitarche >15 years (n=534) | % | p Values | |
|---|---|---|---|---|---|
| First intercourse: | |||||
| In love | 154/174 | 88.5 | 456/524 | 87.0 | 0.693 |
| Steady partner | 127/175 | 72.6 | 408/521 | 78.3 | 0.122 |
| Partner >3 years older | 47/177 | 26.6 | 101/525 | 19.2 | 0.043 |
| Casual partner | 24/175 | 13.7 | 64/521 | 12.3 | 0.693 |
| Single event | 115/172 | 66.9 | 368/492 | 74.8 | 0.047 |
| No alcohol | 143/178 | 80.3 | 405/531 | 76.3 | 0.301 |
| Wonderful experience | 47/178 | 26.4 | 163/534 | 30.5 | 0.343 |
| Contraception | 105/176 | 59.7 | 367/520 | 69.4 | 0.007 |
| Condom use | 79/178 | 44.4 | 291/534 | 54.5 | 0.024 |
| Lifetime no of partners: | |||||
| 5–10 | 49/176 | 27.8 | 31/521 | 5.9 | <0.001 |
| >10 | 18/176 | 10.2 | 7/521 | 1.3 | <0.001 |
| First date intercourse: | |||||
| >twice | 40/177 | 22.6 | 42/519 | 8.0 | <0.001 |
| Sex abroad | 36/175 | 20.6 | 47/517 | 9.1 | <0.001 |
| Contraception at most recent intercourse | 139/171 | 81.3 | 412/506 | 81.4 | 0.968 |
| Oral contraception | 83/178 | 46.6 | 211/534 | 39.5 | 0.114 |
| Condoms | 40/178 | 22.5 | 156/534 | 29.2 | 0.099 |
| Alcohol regularly when sex | 16/178 | 9.0 | 39/531 | 7.3 | 0.517 |
| Oral sex: receiving/giving | 167/178 | 93.8 | 438/528 | 83.0 | <0.001 |
| 152/178 | 85.4 | 370/528 | 70.1 | <0.001 | |
| Anal sex | 34/178 | 19.1 | 43/525 | 8.2 | <0.001 |
| STD | 27/178 | 15.2 | 29/534 | 5.4 | <0.001 |
| Pregnancy | 24/176 | 13.7 | 31/518 | 6.0 | <0.001 |