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Drg Use
Sexual Panner Choice in Injecting Drug Users
Most respondents were currently injecting with the majority having
injected within hours (17.2% of males, 20.3% of females) or days
(33.9% of males, 30.9% of females) of the interview: only 6.7% of
males and 2.7% of females had not injected within the year. Mean age
of first injection of a drug was 18.6 ± 4.4 years for males, 18.1 ± 3.8 for
females, and mean age of injecting a drug once a month or more was
20.0 ± 4.6 (19.0 ± 4.4) years. Average frequency of injecting (or for those
not currently injecting, when they were last injecting) per typical
month was 49 ± 66 times for males, 53 ± 66 times for females. The
drugs most commonly injected in the last typical using month (more
than one could be nominated) were heroin (67.1% of males, 70.1% of
females), amphetamines (34.6% of males, 32.2% of females) and
cocaine (13.2% of the male and 15.1% of the female sample).
Sexual Parners
For male respondents, partner numbers for the past year were,
female partners mean 6.1 ± 11.1,median 3.0 (n : 846,0: 6.6%, missing
data: 6.8%), male partners mean 5.4 ± 18.0, median 0.0 (n : 421,
0: 64.4%, missing data: 53.6%). For female respondents, male
partners for the past year were mean 13.5 ± 28.3,median 2 (n : 313,
0: 3.5%, missing data: 5.4%),and female partners for the past year
were mean 1.9 ± 6.1, median 0, (n: 200, 0: 58.5%, missing
data: 39.6%). Percentages given here and in the tables are based on
excluded missing data and thus when missing data percentages are
ad de d, will sum to >100%. For self-identified sexual orientation, group
sizes for males were homosexual 50,bisexual 117, heterosexual 719,
and for females, lesbian 10, bisexual 95, and heterosexual 220.
Differences for sexual orientation have been described elsewhere
(Ross, Wodak, Gold & Miller, 1992),as has sexual behaviour of the
sample (Ross, Wodak & Gold, 1992).
The results of the nature of the last sexual contact are described in
Table 1. It is apparent that for male respondents, the proportional
percentage of the last sexual contact was heterosexual female nonprostitute
for nearly three-quarters (74.1%). Nearly one-third (31.5%)
were women who did not inject drugs, 11.2% were female prostitutes,
and a further 13.3% of last contacts were with male partners. For
female respondents, the proportional percentage of the last sexual
contact followed a similar distribution, with a greater proportion
(85.3%) of last sexual partners being heterosexual non-prostitute men.
However, a greater proportion of partners of women were IDUs
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