Table 2

Sexual behaviours and outcomes by main source of information about sexual matters, men and women

Of all men*Of sexually experienced men†
OtherSchoolA parentp Value‡OtherSchoolA parentp Value‡
First sex before age 16<0.00010.0001
 Per cent (95% CI)35.9%(32.4 to 39.6)20.7%(17.3 to 24.6)40.3%(29.7 to 51.9)41.4%(37.4 to 45.5)26.8%(22.5 to 31.7)44.0%(32.5 to 56.2)
 AOR (95% CI)1.000.47(0.35 to 0.64)1.12(0.69 to 1.82)1.000.50(0.37 to 0.69)1.04(0.63 to 1.73)
 Denominators793, 583548, 399102, 73695, 508411, 30989, 66
Lack of sexual competence at first heterosexual sex§0.76680.8434
 Per cent (95% CI)45.0%(41.0 to 49.1)40.5%(34.6 to 46.6)47.6%(36.2 to 59.2)45.0%(41.0 to 49.1)40.5%(34.6 to 46.6)47.6%(36.2 to 59.2)
 AOR (95% CI)1.000.93(0.69 to 1.26)1.13(0.68 to 1.89)1.000.98(0.72 to 1.33)1.15(0.69 to 1.91)
 Denominators689, 504407, 30689, 66689, 504407, 30689, 66
Unsafe sex¶0.00030.0052
 Per cent (95% CI)28.5%(25.1 to 32.1)18.3%(15.3 to 21.9)18.9%(11.5 to 29.5)32.5%(28.8 to 36.4)23.6%(19.6 to 28.2)20.4%(12.3 to 32.1)
 AOR (95% CI)1.000.58(0.44 to 0.77)0.53(0.28 to 1.00)1.000.66(0.49 to 0.89)0.49(0.25 to 0.95)
 Denominators782, 574554, 403102, 73675, 494406, 30587, 65
Ever diagnosed with an STI0.05530.3840
 Per cent (95% CI)9.5%(7.6 to 11.9)4.8%(3.2 to 7.1)8.2%(3.6 to 17.7)10.5%(8.3 to 13.2)6.3%(4.2 to 9.3)9.2%(4.0 to 19.6)
 AOR (95% CI)1.000.55(0.33 to 0.91)0.65(0.24 to 1.75)1.000.72(0.43 to 1.22)0.65(0.23 to 1.85)
 Denominators792, 582560, 407104, 74684, 501410, 30889, 66
Non-volitional sex, ever0.69150.9410
 Per cent (95% CI)1.0%(0.5 to 2.1)0.7%(0.2 to 1.9)1.5%(0.3 to 7.0)1.2%(0.6 to 2.5)0.9%(0.3 to 2.5)1.7%(0.3 to 7.8)
 AOR (95% CI)1.000.65(0.18 to 2.29)1.35(0.24 to 7.74)1.000.94(0.24 to 3.65)1.31(0.22 to 7.62)
 Denominators777, 571552, 401103, 73672 ,493405, 30488, 65
Distressed/worried about sex life0.39710.6328
 Per cent (95% CI)11.1%(8.9 to 13.9)10.8%(8.2 to 14.0)6.2%(3.1 to 12.1)9.6%(7.4 to 12.3)8.2%(5.8 to 11.4)6.2%(2.9 to 12.4)
 AOR (95% CI)1.000.95(0.64 to 1.42)0.59(0.27 to 1.27)1.000.84(0.52 to 1.36)0.71(0.31 to 1.61)
 Denominators762, 557516, 378102, 73684, 501410, 30889, 66
Overall sexual health**0.39750.6780
 Per cent (95% CI)80.6%(77.2 to 83.6)84.2%(80.5 to 87.3)83.8%(74.0 to 90.4)81.4%(78.0 to 84.4)85.6%(81.7 to 88.9)82.8%(72.1 to 90.0)
 AOR (95% CI)1.001.22(0.88 to 1.70)1.34(0.71 to 2.55)1.001.18(0.81 to 1.72)1.17(0.59 to 2.32)
 Denominators745, 544511, 374101, 73670, 490405, 30488, 65
Of all women*Of sexually experienced women†
OtherSchoolA parentp Value‡OtherSchoolA parentp Value‡
First sex before age 160.00010.0032
 Per cent (95% CI)33.4%(30.0 to 37.0)23.5%(20.3 to 27.0)33.6%(27.8 to 40.0)37.5%(33.7–41.3)30.0%(26.1–34.3)39.7%(33.0–46.7)
 AOR (95% CI)1.000.56(0.43 to 0.72)0.84(0.62 to 1.14)1.000.63(0.48–0.82)0.92(0.66–1.27)
 Denominators823, 462706, 408273, 151748, 414565, 321235, 127
Lack of sexual competence at first heterosexual sex§0.00210.0131
 Per cent (95% CI)56.3%(52.3 to 60.1)47.1%(42.6 to 51.6)52.5%(45.5 to 59.4)56.3%(52.3–60.1)47.1%(42.6–51.6)52.5%(45.5–59.4)
 AOR (95% CI)1.000.65(0.51 to 0.83)0.75(0.54 to 1.06)1.000.70(0.54–0.90)0.75(0.53–1.05)
 Denominators741, 409564, 320234, 127741, 409564, 320234, 127
Unsafe sex¶0.01410.1437
 Per cent (95% CI)26.1%(22.9 to 29.5)20.4%(17.3 to 23.9)21.4%(16.5 to 27.3)29.9%(26.4–33.7)26.3%(22.4–30.5)25.2%(19.5–31.9)
 AOR (95% CI)1.000.69(0.52 to 0.91)0.69(0.48 to 0.99)1.000.81(0.60–1.08)0.71(0.48–1.04)
 Denominators828, 465714, 411278, 155736, 405555, 315234, 127
Ever had an abortion0.10140.2692
 Per cent (95% CI)10.5%(8.4 to 13.0)6.9%(5.2 to 9.0)7.7%(5.1 to 11.4)12.1%(9.8–14.9)8.5%(6.4–11.2)9.3%(6.2–13.7)
 AOR (95% CI)1.000.70(0.47 to 1.04)0.64(0.38 to 1.08)1.000.84(0.56–1.27)0.65(0.38–1.11)
 Denominators833, 470723, 417279, 155740, 409560, 319235, 127
Ever diagnosed with an STI0.00040.0110
 Per cent (95% CI)20.8%(17.8 to 24.1)12.5%(10.0 to 15.5)13.8%(10.1 to 18.4)23.8%(20.5–27.3)16.2%(13.0–20.0)16.6%(12.3–22.2)
 AOR (95% CI)1.000.58(0.43 to 0.80)0.54(0.36 to 0.82)1.000.71(0.50–0.99)0.57(0.38–0.86)
 Denominators833, 468717, 414277, 154740, 407557, 317234, 127
Non-volitional sex, ever0.03200.1325
 Per cent (95% CI)9.1%(7.2 to 11.4)5.9%(4.3 to 8.1)6.3%(3.9 to 10.1)10.5%(8.3–13.2)7.5%(5.4–10.3)7.2%(4.4–11.6)
 AOR (95% CI)1.000.61(0.40 to 0.94)0.58(0.32 to 1.03)1.000.76(0.49–1.18)0.55(0.30–1.04)
 Denominators813, 457699, 404272, 151721, 397538, 307229, 124
Distressed/worried about sex life0.17570.0762
 Per cent (95% CI)11.4%(9.1 to 14.2)8.6%(6.5 to 11.4)11.3%(7.5 to 16.8)11.2%(8.7–14.3)7.3%(5.2–10.0)10.4%(6.5–16.3)
 AOR (95% CI)1.000.70(0.47 to 1.03)1.00(0.58 to 1.70)1.000.60(0.38–0.94)0.94(0.52–1.68)
 Denominators812, 453666, 380264, 145739, 407557, 317234, 127
Overall sexual health††0.00010.0024
 Per cent (95% CI)60.1%(56.3 to 63.8)71.1%(66.9 to 74.9)68.5%(61.9 to 74.4)57.3%(53.3–61.2)68.5%(63.9–72.8)66.5%(59.4–72.9)
 AOR (95% CI)1.001.64(1.28 to 2.10)1.59(1.12 to 2.26)1.001.50(1.14–1.96)1.64(1.13–2.38)
 Denominators789, 440641, 367256, 141717, 393534, 306228, 124
  • Denominators are unweighted, weighted.

  • *OR is adjusted for age (continuous) educational level and family structure (binary variable of living with both natural parents/living with one/no parent).

  • †OR is adjusted for educational level, family structure, age at first sex (continuous) and years sexually active (continuous), except for “First sex before age 16” which is adjusted for educational level, family structure and age (continuous).

  • ‡χ2 test of heterogeneity.

  • §Not met the following four criteria: both partners equally willing, use of reliable contraception, autonomy of decision, and that it happened at the ‘right time’. Excludes those who have not experienced heterosexual sex.

  • ¶No condom used at the first occasion of sex with a new partner in the past year.

  • **Composite of: not experiencing non-volitional sex or STI diagnosis, and lack of distress about sex life in the past year.

  • ††Composite of: not experiencing non-volitional sex, STI diagnosis, or abortion and lack of distress about sex life in the past year.

  • AOR, adjusted OR; STI, sexually transmitted infection.