Table 1 Comparison of characteristics among MSM by poppers using status (n = 1122)
Characteristics | Total (n,%) | Popper users (n,%) | Non-users (n,%) | P value |
|---|---|---|---|---|
Age (years), mean ± SD | 30.0 ± 9.0 | 27.9 ± 6.6 | 30.6 ± 9.5 | |
≤25 | 418(37.3) | 104(38.5) | 314(36.8) | < 0.001 |
26–35 | 428(38.1) | 124(45.9) | 304(35.7) | |
> 35 | 276(24.6) | 42(15.6) | 234(27.5) | |
Residence in Sichuan Province | ||||
Yes | 1091(98.2) | 262(97.8) | 829(98.3) | 0.597 |
No | 20(1.8) | 6(2.2) | 14(1.7) | |
Education | ||||
Senior high school and below | 622(55.9) | 147(54.6) | 475(56.3) | 0.639 |
College and above | 491(44.1) | 122(45.4) | 369(43.7) | |
Occupation | ||||
Enterprise, public institution or government | 263(23.6) | 71(26.3) | 192(22.8) | 0.110 |
Service industry, solo business owner | 585(52.6) | 147(54.4) | 438(51.9) | |
Retired, unemployed or student | 265(23.8) | 52(19.3) | 213(25.3) | |
Marital status | ||||
Never married | 788(70.5) | 208(77.3) | 580(68.4) | 0.013 |
Married or cohabitating | 248(22.2) | 49(18.2) | 199(23.5) | |
Divorced or widowed | 81(7.3) | 12(4.5) | 69(8.1) | |
Individual monthly income (Yuan) | ||||
< 3000 | 398(40.0) | 102(38.6) | 296(40.5) | 0.609 |
≥3000 | 597(60.0) | 162(61.4) | 435(59.5) | |
Sexual orientation | ||||
Homosexual | 796(71.5) | 189(70.0) | 607(71.9) | 0.616 |
Bisexual | 301(27.0) | 78(28.9) | 223(26.4) | |
Uncertain | 17(1.5) | 3(1.1) | 14(1.7) | |
Age at sexual debut (years) | ||||
< 18 | 308(27.7) | 98(36.3) | 210(24.9) | < 0.001 |
≥18 | 805(72.3) | 172(63.7) | 633(75.1) | |
Seeking sex partners through the internet | ||||
Yes | 884(79.1) | 226(84.0) | 658(77.6) | 0.025 |
No | 233(20.9) | 43(16.0) | 190(22.4) | |
Preferred sexual role with males | ||||
Insertive anal intercourse | 281(25.3) | 39(14.4) | 242(28.8) | < 0.001 |
Receptive anal intercourse | 290(26.1) | 89(33.0) | 201(23.9) | |
Versatile anal intercourse | 540(48.6) | 142(52.6) | 398(47.3) | |
UAI with regular partners in the past 12 months | ||||
Yes | 248(55.7) | 94(70.7) | 154(49.4) | < 0.001 |
No | 197(44.3) | 39(29.3) | 158(50.6) | |
UAI with non-regular partners in the past 12 months | ||||
Yes | 312(36.2) | 88(41.5) | 224(34.5) | 0.064 |
No | 550(63.8) | 124(58.5) | 426(65.5) | |
Number of sex partners in the past 12 months | ||||
≤1 | 227(20.2) | 52(19.3) | 175(20.5) | 0.728 |
≥2 | 895(79.8) | 218(80.7) | 677(79.5) | |
Group sex | ||||
Yes | 128(11.6) | 46(17.3) | 82(9.7) | 0.001 |
No | 980(88.4) | 220(82.7) | 760(90.3) | |
Self-reported HIV infection | ||||
Yes | 142(12.7) | 41(15.2) | 101(11.9) | 0.172 |
No | 980(87.3) | 229(84.8) | 751(88.1) | |
Self-reported gonorrhoea, condyloma acuminata or syphilis infection | ||||
Yes | 149(13.3) | 50(18.5) | 99(11.7) | 0.005 |
No | 968(86.7) | 220(81.5) | 748(88.3) |