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 2
Frequency distribution of the nonregular sex partners’ (NRP) attributes.
Episode involving condom use (i.e., PAI)
Episode involving no condom use (i.e., UAI)
Col %
Col %
Sociodemographic characteristics
Age (years)
≤25
23.7
31.2
25–35
45.1
41.9
36–45
9.8
11.2
>46
4.7
5.1
Do not know
16.7
10.6
Where is he from?
Hong Kong
82.8
82.8
Mainland
4.7
7.4
Other countries
11.2
8.4
Do not know
1.4
1.4
Sexual experiences
How long did you know him before the intercourse?
On the same day
55.8
59.5
<0.5 months
19.5
20.5
0.5–2 months
10.2
8.8
2–6 months
5.6
4.7
>6 months
8.8
6.5
Times of anal sex with the partner before
0 times
66.0
71.2
1-2 times
20.5
21.4
≥3 times
13.5
7.4
Did you and your sex partner have equal sex experience?
About the same/do not know
47.4
58.2
More experience
35.8
26.0
Less experience
16.7
15.8
Style of the partner
Physical appearance of the sex partner
Neutral
38.1
44.7
Masculine
47.9
47.0
Feminine
14.0
8.3
Personality of the sex partner
Passive
22.8
14.9
Assertive
50.2
48.8
Neutral
26.0
34.9
Do not know
0.9
1.4
Liking and relationship
Attractiveness of the sex partner
Very attractive/attractive
87.0
89.8
Not attractive/not very attractive
12.5
9.7
Do not know
0.5
0.5
How much did you like the sex partner (0–10)?
1–3
3.3
5.6
4–6
28.8
20.9
≥7
64.7
72.6
Do not know
3.3
0.9
How much did the sex partner like you (0–10)?
1–3
1.9
4.2
4–6
17.2
24.6
≥7
65.6
52.6
Do not know
15.3
18.6
Degree participant liked the sex partner more (difference in 2 likeliness scores)#
<−3
1.5
1.9
−1 to −3
20.9
17.6
0
40.0
38.1
1 to 3
20.9
20.5
>3
1.4
3.3
Do not know
15.3
18.6
It is the difference between the two likeliness scores: the degree of participant like the sex partner minus the degree of the sex partner like the participant.
