Other and main sources of information about sex and adequacy of information in men aged 16–24 years in Natsal-3 by whether they reported pornography as a source of information about sex or not
| Pornography mentioned as a source | Pornography not mentioned as a source | Logistic regression | |||||
|---|---|---|---|---|---|---|---|
| Per cent | 95% CI | Per cent | 95% CI | OR* | 95% CI | p Value | |
| Other sources of information about sex | |||||||
| Lessons at school | 72.7 | (67.9 to 77.0) | 80.3 | (77.6 to 82.7) | 0.65 | (0.49 to 0.87) | 0.0033 |
| Friends of about own age | 75.3 | (70.3 to 79.7) | 63.0 | (60.0 to 65.9) | 1.79 | (1.36 to 2.36) | <0.0001 |
| First girlfriend/boyfriend/sexual partner | 40.6 | (35.2 to 46.3) | 24.0 | (21.5 to 26.7) | 2.16 | (1.65 to 2.83) | <0.0001 |
| Parents | 28.8 | (24.4 to 33.7) | 26.7 | (24.0 to 29.5) | 1.11 | (0.85 to 1.46) | 0.4350 |
| Mother | 19.5 | (15.8 to 23.8) | 19.9 | (17.6 to 22.5) | 0.97 | (0.72 to 1.32) | 0.8600 |
| Father | 20.0 | (16.3 to 24.3) | 16.8 | (14.7 to 19.3) | 1.24 | (0.92 to 1.67) | 0.1602 |
| Brother/sister | 14.0 | (10.4 to 18.7) | 9.6 | (7.8 to 11.8) | 1.53 | (1.03 to 2.29) | 0.0364 |
| Doctor/nurse/clinic | 8.2 | (5.6 to 11.9) | 6.5 | (5.3 to 8.1) | 1.27 | (0.80 to 2.03) | 0.3095 |
| Media | 65.5 | (59.6 to 71.0) | 41.2 | (38.2 to 44.3) | 2.71 | (2.05 to 3.60) | <0.0001 |
| Books/magazines/newspapers | 31.2 | (26.3 to 36.5) | 16.7 | (14.5 to 19.1) | 2.27 | (1.70 to 3.03) | <0.0001 |
| TV/radio/DVDs/videos | 57.7 | (51.9 to 63.4) | 33.7 | (30.9 to 36.7) | 2.68 | (2.05 to 3.52) | <0.0001 |
| Internet (excluding pornography) | 47.6 | (41.9 to 53.3) | 22.7 | (20.0 to 25.6) | 3.09 | (2.31 to 4.13) | <0.0001 |
| Internet-sexual advice websites | 32.0 | (27.1 to 37.4) | 15.0 | (12.8 to 17.5) | 2.66 | (1.94 to 3.66) | <0.0001 |
| Internet-other | 26.7 | (21.8 to 32.1) | 10.1 | (8.5 to 12.1) | 3.22 | (2.30 to 4.53) | <0.0001 |
| Other | 0.8 | (0.3 to 2.2) | 1.7 | (1.1 to 2.6) | 0.49 | (0.17 to 1.41) | 0.1868 |
| Main source of information about sex | |||||||
| Lessons at school | 24.6 | (19.9 to 30.1) | 44.0 | (41.0 to 47.0) | 0.42 | (0.31 to 0.56) | <0.0001 |
| Friends of about own age | 26.1 | (21.8 to 31.0) | 23.5 | (20.9 to 26.2) | 1.15 | (0.87 to 1.53) | 0.3147 |
| First girlfriend/boyfriend/sexual partner | 16.1 | (12.3 to 20.8) | 10.0 | (8.3 to 12.0) | 1.73 | (1.20 to 2.51) | 0.0035 |
| Mother | 1.8 | (1.0 to 3.2) | 5.1 | (3.8 to 6.6) | 0.34 | (0.17 to 0.67) | 0.0021 |
| Father | 4.0 | (2.3 to 7.0) | 2.5 | (1.6 to 3.7) | 1.66 | (0.82 to 3.39) | 0.1614 |
| Brother/sister | 1.9 | (1.0 to 3.8) | 2.2 | (1.5 to 3.2) | 0.88 | (0.40 to 1.97) | 0.7641 |
| Doctor/nurse/clinic | 0.7 | (0.2 to 2.1) | 1.0 | (0.5 to 1.8) | 0.65 | (0.17 to 2.47) | 0.5284 |
| Media | 5.5 | (3.6 to 8.5) | 6.9 | (5.4 to 8.7) | 0.79 | (0.47 to 1.35) | 0.3952 |
| Internet (excluding pornography) | 4.9 | (3.0 to 7.9) | 3.9 | (2.9 to 5.1) | 1.27 | (0.71 to 2.29) | 0.4187 |
| Pornography | 14.2 | (10.8 to18.5) | 0.0 | – | NA | – | – |
| Other | 0.1 | (<0.1 to 1.0) | 1.1 | (0.6 to 2.0) | 0.13 | (0.02 to 0.99) | 0.0486 |
| Adequacy of information about sex | |||||||
| Needed more information | 76.2 | (71.1 to 80.6) | 65.5 | (62.4 to 68.4) | 1.69 | (1.26 to 2.26) | 0.0005 |
| Needed biological information | 28.6 | (23.8 to 34.0) | 20.1 | (17.5 to 22.9) | 1.60 | (1.18 to 2.16) | 0.0023 |
| Needed risk-reduction information | 48.0 | (41.9 to 54.1) | 45.4 | (42.3 to 48.6) | 1.11 | (0.84 to 1.46) | 0.4641 |
| Needed psychosexual information | 53.4 | (47.7 to 59.1) | 37.7 | (34.7 to 40.9) | 1.89 | (1.45 to 2.47) | <0.0001 |
| Unweighted, weighted denominators | 400, 296 | 1328, 942 | |||||
*ORs compare odds of reporting each source/information need in those mentioning pornography to the odds of reporting each source/information need in those not mentioning pornography.