Event-Specific Risk Factors Predicting Episodes of Unprotected Anal Intercourse with Male Nonregular Partners among Men Who Have Sex with Men Using Case-Crossover Study Design
Table 3
Frequency distributions of the situational variables.
Episode involving condom use (i.e., PAI)
Episode involving no condom use (i.e., UAI)
Col %
Col %
Spirit prior to the episode of anal sex
Mood prior to the episode
Very good/good
50.2
47.4
Normal
44.2
45.1
Bad/very bad
2.3
3.3
Do not know/cannot remember
3.3
4.2
Tiredness prior to the episode
Very energetic/energetic
46.0
42.4
Normal
45.2
42.8
A bit tired/very tired
6.0
10.7
Do not know/cannot remember
2.8
4.2
Were you (the participant) nervous prior to the sex episode?
Not at all
47.0
39.5
Not really
39.1
36.3
A bit/very much
11.2
20.9
Do not know
2.8
3.3
Risk assessments
What do you think about the current risk of HIV infection of your sex partner?
Not infected
43.7
45.6
Already infected/very high risk/high risk
5.1
4.7
Very low risk/low risk
51.2
49.7
What do you think about the current risk of STI of your sex partner?
Not infected
43.3
44.7
Already infected/very high risk/high risk
3.7
5.6
Very low risk/low risk
53.0
49.7
Did his penis and anus look clean?
Yes
73.5
70.7
How many male sex partners do you think your sex partner had in the last month?
None
20.9
17.2
1–5
29.8
28.8
6–10
3.7
6.0
>10
1.9
1.9
Do not know
43.7
46.0
How likely did you think he would use condoms with other male sex partners?
Very likely/moderate/no other partner
58.6
50.2
Not likely/never
41.4
49.8
One week before intercourse, did you have UAI with any other male partner?
Yes
20.9
14.4
Did you and your sex partner have a third common sex partner?
Yes
7.0
8.4
Communication & planning about condom use
Did you discuss condom use with the partner before UAI/PAI?
Yes
37.2
21.4
Did sex partner suggest using a condom?
Yes
34.0
16.3
Did sex partner suggest NOT using a condom?
Yes
13.0
24.2
Did you suggest using a condom?
Yes
43.7
20.0
Did you suggest NOT using a condom?
Yes
6.5
15.3
Did you plan to use a condom during that sexual encounter?
Yes
81.9
54.9
Did you perceive that the sex partner would like to use a condom?
Yes
50.7
15.8
Particular sexual behavior
Degree of sexual compulsivity of participant (0–10)
1–5
9.4
6.6
6–10
90.6
93.4
Degree of sexual compulsivity of sex partner (0–10)
1–5
17.2
12.1
6–10
82.8
87.9
Participant’s sexual position
Insertive
46.0
46.5
Receptive
37.7
33.0
Both
14.9
20.5
Do not know
1.4
0
One month before the episode, did you have any problem with sexual dysfunction?
Yes
6.0
7.4
During the intercourse, how many sex partners were there?
1
96.7
94.4
More than 1
3.3
5.6
Any erotic activities involved?
Yes (at least one)*
26.0
22.3
Whether money transaction was involved in the episode?
No
97.7
96.7
Yes
2.3
1.9
Cannot remember
0
1.4
Substance use
Whether you (the participant) or sex partner drank alcohol before the anal sex episode? (if either man drank answer is classified as “yes”)
Yes
17.2
18.6
Whether you or sex partner used Viagra or psychoactive substances before the anal sex episode?
Yes
2.3
4.2
Erotic activities include watching sex movie before UAI, reading pornographic magazines, the use of sex toys, SM behaviour, and wearing special outfits.