Table 1 Characteristics of study participants and of HIVST users and Non-HIVST users in Ningbo, China, 2019
Characteristics | All participants n (%) | Subgroup comparison | ||
|---|---|---|---|---|
HIVST users n (%) | Non-HIVST users n (%) | P-valuec | ||
Overall | 699 (100) | 267 (100) | 432 (100) | |
Demographics | ||||
Age (years) | ||||
18 ~ | 330 (47.2) | 155 (58.1) | 175 (40.5) | < 0.001 |
30 ~ | 237 (33.9) | 92 (34.5) | 145 (33.6) | |
≥ 40 | 132 (18.9) | 20 (7.5) | 112 (25.9) | |
Marital status | ||||
Single | 443 (63.4) | 172 (64.4) | 271 (62.7) | 0.653 |
Married | 256 (36.6) | 95(35.6) | 161 (37.3) | |
Education level | ||||
Middle school or less | 207 (29.6) | 65 (24.3) | 142 (32.9) | 0.022 |
High school | 264 (37.8) | 101 (37.8) | 163 (37.7) | |
College or above | 228 (32.6) | 101 (37.8) | 127 (29.4) | |
Duration of local residence (years) | ||||
< 2 | 156 (22.3) | 76 (28.5) | 80 (18.5) | 0.002 |
≥ 2 | 543 (77.7) | 191 (71.5) | 352 (81.5) | |
Monthly income (CNY) | ||||
< 5000 | 259 (37.1) | 74 (27.7) | 185 (42.8) | < 0.001 |
≥ 5000 | 440 (62.9) | 193 (72.3) | 247 (57.2) | |
Sexual orientation | ||||
Gay | 523 (74.8) | 220 (82.4) | 303 (70.1) | 0.001 |
Bisexual | 135 (19.3) | 34 (12.7) | 101 (23.4) | |
Unknown/unsure | 41 (5.9) | 13 (4.9) | 28 (6.5) | |
Gay apps usage | ||||
Gay apps use | ||||
Yes | 583 (83.4) | 237 (88.8) | 346 (80.1) | 0.003 |
No | 116 (16.6) | 30 (11.2) | 86 (19.9) | |
Duration of gay apps use (years) | ||||
< 1 | 83 (14.2) | 25 (10.5) | 58 (16.8) | 0.035 |
≥ 1 | 500 (85.8) | 212 (89.5) | 288 (83.2) | |
Missing (No use of gay apps) | 116 | |||
Frequency of gay apps use (times/day)a | ||||
< 1 | 66 (11.3) | 22 (9.3) | 44 (12.7) | 0.036 |
1- | 185 (31.7) | 65 (27.4) | 120 (34.7) | |
≥ 5 | 332 (56.9) | 150 (63.3) | 182 (52.6) | |
Missing (No use of gay apps) | 116 | |||
Sexual behavior | ||||
Role in sexual intercourse | ||||
Insertive anal sex | 191 (27.3) | 74 (27.7) | 117 (27.1) | 0.983 |
Receptive anal sex | 155 (22.2) | 59 (22.1) | 96 (22.2) | |
Both | 353 (50.5) | 134 (50.2) | 219 (50.5) | |
Frequency of male–male sexual contact (times/week)a | ||||
< 1 | 377 (53.9) | 124 (46.4) | 253 (58.6) | 0.002 |
≥ 1 | 322 (46.1) | 143 (53.6) | 179 (41.4) | |
Multiple male sex partnersa | ||||
Yes | 196 (28.0) | 87 (32.6) | 109 (25.2) | 0.035 |
No | 503 (72.0) | 180 (67.4) | 323 (74.8) | |
Unprotected sex with mena | ||||
Yes | 190 (27.2) | 64 (24.0) | 126 (29.2) | 0.133 |
No | 509 (72.8) | 203 (76.0) | 306 (70.8) | |
Syphilis Infectionb | ||||
Yes | 44 (6.3) | 29 (10.9) | 15 (3.5) | < 0.001 |
No | 655 (93.7) | 238 (89.1) | 417 (96.5) | |
HIV testing | ||||
Reason for HIV testing | ||||
Regular HIV testing | 432 (71.5) | 196 (73.4) | 236 (70.0) | 0.011 |
Had unprotected sexual behavior | 60 (9.9) | 22 (8.2) | 38 (11.3) | |
Had suspicions symptoms of AIDS | 47 (7.8) | 19 (7.1) | 28 (8.3) | |
Awareness of HIV testing results before sex | 36 (6.0) | 10 (3.7) | 26 (7.7) | |
Repeated HIV testing | 29 (4.8) | 20 (7.5) | 9 (2.7) | |
Missing(Had never HIV testing before) | 95 | |||
Frequency of HIV testingb | ||||
0 | 114 (16.3) | 4 (1.5) | 110 (25.5) | < 0.001 |
1 | 220 (31.5) | 76 (28.5) | 144 (33.3) | |
≥ 2 | 365 (52.2) | 187 (70.0) | 178 (41.2) | |
Time since latest HIV testing (months) | ||||
1 ~ | 148 (24.5) | 81 (30.3) | 67 (19.9) | 0.005 |
4 ~ | 176 (29.1) | 77 (28.8) | 99 (29.4) | |
7 ~ | 92 (15.2) | 29 (10.9) | 63 (18.7) | |
13 ~ | 188 (31.1) | 80 (30.0) | 108 (32.0) | |
Missing(Had never HIV testing before) | 95 | |||
Site of the latest HIV testing | ||||
CDC | 211 (34.9) | 85 (31.8) | 126 (37.4) | 0.029 |
Hospital | 43 (7.1) | 13 (4.9) | 30 (8.9) | |
NGO | 304 (50.3) | 169 (63.3) | 181 (53.4) | |
Missing (Had never HIV testing before) | 95 | |||