Table 2.
Interval-level characteristics of sexual acts among 1311 adult Blued app users in 4 provinces in China who reported engaging in both unprotected and protected anal sex in the past 6 months.
| Characteristic | All participants (N=1311) | UAIa | No UAIb | ||||||||
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UAIa, n (%) | No UAIb, n (%) | Offlinec (n=292), n (%) | Onlined (n=1019), n (%) | P value | Offlinec (n=214), n (%) | Onlined (n=1097), n (%) | P value | |||
| Partnership type |
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|
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|
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One-time partner | 608 (46.4) | 668 (51.0) | 72 (24.7) | 536 (52.6) | <.001 | 66 (30.8) | 602 (54.9) | <.001 | ||
|
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Casual partner | 433 (33.0) | 410 (31.3) | 136 (46.6) | 297 (29.1) | <.001 | 90 (42.1) | 320 (29.2) | <.001 | ||
|
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Main partner | 270 (20.6) | 233 (17.8) | 84 (28.8) | 186 (18.3) | <.001 | 58 (27.1) | 175 (16.0) | <.001 | ||
| Partner’s HIV status |
|
|
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Negative | 395 (30.1) | 344 (26.2) | 123 (42.1) | 272 (26.7) | <.001 | 89 (41.6) | 255 (23.2) | <.001 | ||
|
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Positive | 45 (3.4) | 55 (4.2) | 12 (4.1) | 33 (3.2) | .47 | 14 (6.5) | 41 (3.7) | .06 | ||
|
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Not sure | 871 (66.4) | 912 (69.6) | 157 (53.8) | 714 (70.1) | <.001 | 111 (51.9) | 801 (73.0) | <.001 | ||
| Participant’s sexual role |
|
|
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Receptive | 622 (47.4) | 628 (47.9) | 124 (42.5) | 498 (48.9) | .05 | 87 (40.7) | 541 (49.3) | .02 | ||
|
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Insertive | 524 (40.0) | 501 (38.2) | 130 (44.5) | 394 (38.7) | .07 | 92 (43.0) | 409 (37.3) | .12 | ||
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Both | 165 (12.6) | 182 (13.9) | 38 (13.0) | 127 (12.5) | .80 | 35 (16.4) | 147 (13.4) | .25 | ||
| Participant’s substance use before sex (vs no use) | 89 (6.8) | 96 (7.3) | 25 (8.6) | 64 (6.3) | .17 | 23 (10.7) | 73 (6.7) | .04 | |||
aUAI: unprotected anal sex interval.
bNo UAI: protected anal sex interval.
cOffline: initiated partnership offline.
dOnline: initiated partnership online.