Table 1.
Distribution of sociodemographic, clinical and behavioural characteristics in cases of HIV, gonorrhoea, syphilis or venereal lymphogranuloma (LGV) in 15–24-year-olds in Barcelona, 2007–2015
| HIV | Gonorrhoea | Syphilis | LGV | ||||
| Men | Women | Men | Women | Men | Women | Men | |
| N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | |
| Total cases | 277 (100) | 32 (100) | 508 (100) | 124 (100) | 235 (100) | 31 (100) | 11 (100) |
| Age group | |||||||
| 15–19 | 36 (13.0) | 7 (21.9) | 109 (21.5) | 45 (36.3) | 31 (13.2) | 6 (19.4) | 1 (9.1) |
| 20–24 | 241 (87.0) | 25 (78.1) | 399 (78.5) | 79 (63.7) | 204 (86.8) | 25 (80.6) | 10 (90.9) |
| Education level | |||||||
| University | 35 (12.6) | 1 (3.1) | 83 (16.3) | 13 (10.5) | 35 (14.9) | 7 (22.6) | 3 (9.1) |
| Secondary | 118 (42.6) | 11 (34.4) | 131 (25.8) | 44 (35.5) | 63 (26.8) | 10 (32.3) | 7 (63.6) |
| Primary or less | 25 (9.0) | 7 (21.9) | 64 (12.6) | 25 (20.2) | 57 (24.3) | 7 (22.6) | 1 (9.1) |
| Missing | 99 (35.7) | 13 (40.6) | 230 (45.3) | 42 (33.9) | 80 (34.0) | 7 (22.69 | 0 |
| Country of birth | |||||||
| Spain | 129 (46.6) | 8 (25.0) | 249 (49.0) | 59 (47.6) | 113 (48.1) | 10 (32.3) | 6 (54.5) |
| Western countries* | 15 (5.4) | 0 | 46 (9.1) | 7 (5.7) | 18 (7.7) | 0 | 1 (9.1) |
| Latin America | 104 (37.6) | 15 (46.9) | 129 (25.4) | 34 (27.4) | 58 (24.7) | 10 (32.3) | 4 (36.4) |
| Eastern Europe | 10 (3.6) | 2 (6.3) | 15 (2.9) | 7 (5.7) | 7 (3.0) | 5 (16.1) | 0 |
| Other | 18 (6.5) | 7 (21.9) | 24 (4.7) | 2 (1.6) | 19 (8.1) | 4 (12.9) | 0 |
| Missing | 1 (0.4) | 0 | 45 (8.9) | 15 (12.1) | 20 (8.5) | 2 (6.5) | 0 |
| Sexual behaviour | |||||||
| MSW | 32 (11.6) | na | 160 (31.5) | na | 37 (15.7) | na | 0 |
| MSM | 235 (84.8) | na | 226 (44.5) | na | 168 (71.5) | na | 11 (100) |
| WSM | na | 32 (100)† | na | 105 (84.7)‡ | na | 23 (74.2)§ | na |
| Missing | 10 (3.6) | 0 | 122 (24.0) | 19 (15.3) | 30 (12.8) | 8 (25.8) | 0 |
| STI diagnoses in the previous 12 months | |||||||
| No | 251 (90.6) | 31 (96.9) | 427 (84.0) | 105 (84.7) | 199 (84.7) | 28 (90.3) | 6 (54.5) |
| Yes | 26 (9.4) | 1 (3.1) | 81 (15.9) | 19 (15.3) | 36 (15.3) | 3 (9.7) | 5 (45.5) |
| Number of sexual partners in the previous 12 months | |||||||
| 1 to 3 | na | na | 107 (21.1) | 60 (48.4) | 36 (15.3) | 12 (38.7) | 1 (9.1) |
| 4 to 6 | na | na | 39 (7.7) | 11 (8.9) | 14 (6.0) | 0 | 0 |
| 7 to 10 | na | na | 29 (5.7) | 6 (4.8) | 25 (10.6) | 2 (6.5) | 1 (9.1) |
| >10 | na | na | 69 (13.6) | 3 (2.4) | 44 (18.7) | 0 (0.0) | 6 (54.6) |
| Missing | na | na | 264 (52.0) | 44 (35.5) | 116 (49.4) | 17 (54,8) | 3 (27.3) |
| HIV coinfection | |||||||
| No | na | na | 469 (92.3) | 122 (98.4) | 196 (83.4) | 31 (100) | 4 (36.4) |
| Yes | na | na | 39 (7.7) | 2 (1.6) | 39 (16.6) | 0 | 7 (63.6) |
| Condom use | |||||||
| Yes | na | na | 73 (14.4) | 29 (23.4) | 47 (20.0) | 4 (12.9) | 3 (27.3) |
| No | na | na | 253 (49.8) | 67 (54,0) | 103 (43.8) | 13 (41.9) | 7 (63.6) |
| Missing | na | na | 182 (35.8) | 28 (22.6) | 85 (36.2) | 14 (45.2) | 1 (9.1) |
*Western countries: Western Europe, USA, Canada and Australia.
†10 women were bisexual.
‡Three women were bisexual.
§Two women were bisexual.
na, not applicable; MSM, men that have sex with men; MSW, men that have sex only with women; STI, sexually transmitted infection; WSM, women who have sex with men.