Not having had sex education (N = 1566) | Having had sex education (N = 2826) | Total (N = 4392) | |||||||||||
N | % | N | % | N | % | c2 | p | ||||||
Ever had sexual intercourse (N = 4345) | |||||||||||||
Middle school students Yes No High school students Yes No University students Yes No | 73 507 176 305 389 102 | 12.6 87.4 36.6 63.4 79.2 20.8 | 99 715 310 924 537 208 | 12.2 87.8 25.1 74.9 72.1 27.9 | 172 1222 486 1229 926 310 | 12.3 87.7 28.3 71.7 74.9 25.1 | .056 22.42 8.04 | .812 .000 .005 | |||||
Only participants who reported having had their first sexual intercourse (N = 1695) | |||||||||||||
Condom use at 1st sexual intercourse (N = 1419) | |||||||||||||
Middle school students Yes No High school students Yes No University students Yes No | 46 3 126 9 323 66 | 93.9 6.1 93.3 6.7 83.0 17.0 | 60 7 234 8 481 56 | 89.6 10.4 96.7 3.3 89.6 10.4 | 106 10 360 17 804 122 | 91.4 8.6 95.5 4.5 86.8 13.2 | .67 2.27 8.43 | .412 .132 .004 | |||||
Having had sexual intercourse under the influence of alcohol or drugs (N = 1493) | |||||||||||||
Middle school students Yes No High school students Yes No University students Yes No | 9 62 26 140 131 224 | 12.7 87.3 15.7 84.3 36.9 63.1 | 15 83 25 275 173 330 | 15.3 84.7 8.3 91.7 34.4 65.6 | 24 145 51 415 304 554 | 14.2 85.8 10.9 89.1 35.4 64.6 | .23 5.89 .57 | .629 .015 .449 | |||||