Table 1

Any and main sources of information about sex in individuals aged 16–24 years in Natsal-3, by gender

MenWomenp Value for association with gender
Per cent95% CIPer cent95% CI
Any source
 Lessons at school78.5(76.1 to 80.6)81.9(79.9 to 83.7)0.0216
 Friends of about own age65.9(63.3 to 68.5)66.2(63.8 to 68.5)0.8822
 First girlfriend/boyfriend/sexual partner28.0(25.6 to 30.5)20.7(18.8 to 22.6)<0.0001
 Parents27.2(24.9 to 29.6)43.4(41.0 to 45.8)<0.0001
  Mother19.8(17.8 to 22.0)42.7(40.3 to 45.2)<0.0001
  Father17.6(15.7 to 19.7)6.9(5.8 to 8.2)<0.0001
 Brother/sister10.7(9.0 to 12.7)11.3(9.9 to 12.8)0.6336
 Doctor/nurse/clinic6.9(5.7 to 8.4)15.2(13.6 to 17.0)<0.0001
 Media47.0(44.4 to 49.7)49.0(46.7 to 51.4)0.2426
  Books/magazines/newspapers20.1(18.1 to 22.4)29.0(26.8 to 31.3)<0.0001
  TV/radio/DVDs/videos39.5(36.9 to 42.1)35.4(33.3 to 37.6)0.0136
Internet (excluding pornography)28.6(26.2 to 31.2)14.0(12.4 to 15.7)<0.0001
  Internet-sexual advice websites19.1(17.1 to 21.3)9.5(8.2 to 11.0)<0.0001
  Internet-other14.1(12.3 to 16.0)6.3(5.2 to 7.6)<0.0001
 Any pornography23.9(21.6 to 26.4)2.2(1.7 to 3.0)<0.0001
  Internet-pornographic websites19.4(17.3 to 21.8)1.8(1.3 to 2.5)<0.0001
  Pornographic magazines/films9.2(7.8 to 10.9)0.9(0.5 to 1.4)<0.0001
 Other1.5(1.0 to 2.2)1.7(1.1 to 2.4)0.7092
Main sources
 Lessons at school39.4(36.8 to 42.0)41.3(39.0 to 43.7)0.2708
 Friends of about own age24.1(21.9 to 26.5)24.1(22.1 to 26.2)0.9944
 First girlfriend/boyfriend/sexual partner11.5(9.8 to 13.3)5.4(4.4 to 6.6)<0.0001
 Mother4.3(3.3 to 5.5)13.5(12.0 to 15.2)<0.0001
 Father2.8(2.0 to 4.0)0.5(0.3 to 0.9)<0.0001
 Brother/sister2.1(1.5 to 3.0)2.2(1.6 to 2.9)0.8993
 Doctor/nurse/clinic0.9(0.5 to 1.6)2.6(1.9 to 3.6)0.0010
 Media6.6(5.3 to 8.0)7.6(6.4 to 9.0)0.3090
 Internet (excluding pornography)4.1(3.2 to 5.3)1.9(1.3 to 2.8)0.0009
 Pornography3.4(2.6 to 4.5)0.2(0.1 to 0.5)<0.0001
 Other0.9(0.5 to 1.6)0.8(0.4 to 1.3)0.7310
Unweighted, weighted denominators1729, 12382140, 1207