Table 4

Relationships between frequency of use of different drugs and patterns of sexual behaviour and unsafe sex


Sexual behaviour in the last 12 months

n
 5 or more sexual partners
 Sex over 50 times
 Had sex without a condom
 Not used condom as too drunk or high
 Had totally unprotected sex
 Paid for sex
 Exchanged sex for drugs
 Had an STI test
 Had regretted sex after alcohol or drug use
 Not had sex as too drunk or high
 Sex always or mostly under influence of alcohola
 Sex always or mostly under influence of drugsb
Drunk in the last 4 weeks












     No
 319
 12.2
 43.3
 66.6
 5.6
 35.7
 3.4
 0.9
 25.7
 7.8
 14.1
 6.0
 8.0
     Yes
 828
 19.7
 42.1
 74.4
 12.1
 41.1
 6.4
 2.4
 27.9
 15.3
 19.7
 12.6
 13.4
          P
**
 ns
 **
 **
 ns
 ns
 ns
 ns
 **
 *
 **
 ns
Alcohol












     Never
 11
 0.0
 9.1
 18.2
 0.0
 18.2
 0.0
 9.1
 9.1
 9.1
 0.0
 na
 0.0
     Experimented
 14
 7.1
 42.9
 78.6
 7.1
 28.6
 7.1
 0.0
 7.1
 0.0
 7.1
 na
 0.0
     Ex User
 28
 14.3
 25.0
 57.7
 7.1
 30.8
 7.1
 0.0
 35.7
 3.6
 10.7
 na
 33.3
     Occasional
 83
 9.6
 41.0
 77.5
 1.2
 33.8
 4.8
 0.0
 26.5
 4.8
 7.2
 2.4
 0.0
     Regular
 1011
 18.7
 43.4
 72.7
 11.3
 40.7
 5.6
 2.2
 27.6
 14.4
 19.6
 11.7
 12.7
          P
ns
 ns
 ***
 *
 ns
 ns
 ns
 ns
 *
 *
 **
 ns
Cannabis












     Never
 276
 13.0
 35.9
 62.0
 5.1
 32.3
 2.9
 0.4
 24.3
 4.3
 15.9
 7.3
 5.6
     Experimented
 173
 13.9
 44.5
 68.0
 6.4
 37.3
 5.2
 0.6
 25.4
 12.1
 14.5
 8.1
 8.3
     Ex User
 201
 14.9
 44.3
 78.4
 9.5
 41.2
 4.5
 1.5
 28.9
 12.4
 19.9
 6.4
 4.5
     Occasional
 121
 17.4
 43.0
 73.9
 12.4
 36.1
 3.3
 2.5
 33.9
 11.6
 15.7
 10.3
 5.0
     Regular
 376
 24.2
 45.2
 77.6
 15.7
 46.2
 9.0
 4.0
 27.4
 21.3
 21.3
 17.3
 16.2
          P
**
 ns
 ***
 ***
 **
 **
 **
 ns
 ***
 ns
 ***
 **
Cocaine












     Never
 774
 13.6
 39.1
 70.2
 6.5
 35.1
 3.6
 1.3
 22.7
 9.6
 16.3
 7.3
 9.2
     Experimented
 132
 18.2
 43.9
 73.3
 11.4
 48.9
 6.1
 3.0
 27.3
 16.7
 23.5
 18.3
 10.8
     Ex User
 69
 21.7
 53.6
 73.1
 15.9
 46.3
 13.0
 0.0
 42.0
 23.2
 18.8
 13.6
 17.8
     Occasional
 81
 27.2
 44.4
 77.2
 14.8
 43.0
 4.9
 0.0
 39.5
 18.5
 22.2
 18.2
 9.9
     Regular
 91
 39.6
 58.2
 82.4
 33.0
 56.0
 16.5
 9.9
 44.0
 27.5
 22.0
 21.8
 23.1
          P
***
 **
 ns
 ***
 ***
 ***
 ***
 ***
 ***
 ns
 ***
 **
Ecstasy












     Never
 792
 13.9
 39.9
 69.4
 6.9
 36.1
 4.9
 0.9
 24.4
 8.7
 15.7
 7.3
 7.7
     Experimented
 117
 17.9
 48.7
 71.3
 16.2
 44.3
 6.0
 0.0
 34.2
 20.5
 17.1
 13.9
 12.9
     Ex User
 92
 21.7
 53.3
 78.0
 12.0
 46.2
 5.4
 2.2
 29.3
 22.8
 23.9
 19.0
 18.2
     Occasional
 86
 31.4
 39.5
 87.1
 18.6
 51.8
 7.0
 5.8
 33.7
 22.1
 31.4
 19.3
 16.3
     Regular
 60
 40.0
 51.7
 80.0
 28.3
 48.3
 11.7
 15.0
 40.0
 31.7
 25.0
 27.6
 21.7
          P
***
 *
 **
 ***
 **
 ns
 ***
 *
 ***
 **
 ***
 **

* p < .05; ** p < .01; *** p < .001; ns = not significant (two-tailed tests).

Note For all analyses sample is limited to those having had sex in the last 12 months.

aAnalyses limited to those who are at least occasional users of alcohol.

bAnalyses limited to those who are occasional or frequent users of any drug (see methods for list).

Bellis et al. BMC Public Health 2008 8:155   doi:10.1186/1471-2458-8-155