Baseline data of sociodemographic characteristics, sexual behaviour, STI diagnosis and HIV status, according to self-identified gender of TGP-AFAB visiting the public health service of Amsterdam and The Hague, the Netherlands, January 2017–December 2018
| Transgender men n=32 (57.1%) n (%) | Man and woman n=6 (10.7%) n (%) | Neither man nor woman n=14 (25.0%) n (%) | Other n=2 (3.6%) n (%) | Not known yet n=2 (3.6%) n (%) | P value | Total N=56 n (%) | |
| Demographics | |||||||
| Median age in years (IQR) | 26 (21–32) | 23 (20–30) | 23 (20–31) | –* | –* | 0.938 | 24 (21–31) |
| Education (n=9 missing) | 0.258 | ||||||
| Low | 2 (8.0) | 2 (40.0) | 0 | 0 | 0 | 4 (8.5) | |
| Middle | 8 (32.0) | 0 | 1 (7.7) | 0 | 0 | 9 (19.1) | |
| High | 13 (52.0) | 2 (40.0) | 9 (69.2) | 2 (100) | 2 (100) | 28 (59.6) | |
| Other | 2 (8.0) | 1 (20.0) | 3 (23.1) | 0 | 0 | 6 (12.8) | |
| Ethnic origin† | 0.918 | ||||||
| The Netherlands | 14 (43.8) | 2 (33.3) | 6 (42.9) | 2 (100) | 1 (50.0) | 25 (44.6) | |
| Asia | 4 (12.5) | 0 | 1 (7.1) | 0 | 0 | 5 (8.9) | |
| Africa | 2 (6.2) | 2 (33.3) | 3 (21.4) | 0 | 0 | 7 (12.5) | |
| Latin America and the Caribbean | 3 (9.4) | 1 (16.7) | 1 (7.1) | 0 | 1 (50.0) | 6 (10.7) | |
| Europe | 5 (15.6) | 1 (16.7) | 1 (7.1) | 0 | 0 | 7 (12.5) | |
| Unknown | 4 (12.5) | 0 | 2 (14.3) | 0 | 0 | 6 (10.7) | |
| Gender-affirming surgery | 0.752 | ||||||
| Penis construction (n=1 missing) | 3/31 (9.7) | 0 | 0 | 0 | 0 | 3/55 (5.5) | |
| Sexual behaviour in past 6 months | |||||||
| Median number of sex partners (IQR)‡ (n=9 missing) | 4(1–8) | 3(1–8) | 3(1–6) | –* | –* | 0.920 | 3 (1–6) |
| Sex work (n=7 missing) | 1/26 (3.8) | 1 (16.7) | 1/13 (7.7) | 0 | 0 | 0.999 | 3/49 (6.1) |
| Sex with (n=2 missing) | 0.201 | ||||||
| Men | 16 (51.6) | 1 (16.7) | 3 (23.1) | 1 (50) | 0 | 21 (38.9) | |
| Women | 7 (22.6) | 1 (16.7) | 2 (15.4) | 0 | 0 | 10 (18.5) | |
| Both | 8 (25.8) | 4 (66.7) | 8 (61.5) | 1 (50) | 2 (100) | 23 (42.6) | |
| Partner type (n=22 missing) | 18/32 | 4/6 | 8/14 | 0.200 | 34/56 | ||
| Steady only | 2 (11.1) | 0 | 0 | 0 | 0 | 2 (5.9) | |
| Casual only | 13 (72.2) | 2 (50.0) | 2 (25.0) | 2 (100) | 1 (50.0) | 20 (58.8) | |
| Steady and casual | 3 (16.7) | 2 (50.0) | 5 (62.5) | 0 | 1 (50.0) | 11 (32.4) | |
| No sex | 0 | 0 | 1 (12.5) | 0 | 0 | 1 (2.9) | |
| Giving fellatio§ | |||||||
| Giving condomless fellatio (n=18 missing) | 13/13 (100) | 3/3 (100) | 5/5 (100) | 0 | 2/2 (100) | 23/23 (100) | |
| Anal sex | |||||||
| Condomless receptive anal sex¶ (n=9 missing) | 4/8 (50.0) | 1/1 (100) | 1/1 (100) | 0 | 2/2 (100) | 0.774 | 8/12 (66.7) |
| Condomless insertive anal sex** (n=1 missing) | 0/2 | NA | NA | NA | NA | 0/2 | |
| Vaginal sex †† (n=8 missing) | |||||||
| Condomless vaginal sex | 11/13 (84.6) | 3/5 (60.0) | 3/8 (37.5) | 2/2 (100) | 2/2 (100) | 0.157 | 21/30 (70.0) |
| Bacterial STI | |||||||
| Any bacterial STI‡‡ (n=2 missing) | 2/31 (6.5) | 0/6 | 1/13 (7.7) | 0/2 | 0/2 | 0.999 | 3/54 (5.6) |
| Chlamydia (one or more locations) | 2/31 (6.5) | 0/6 | 1/13 (7.7) | 0/2 | 0/2 | 0.999 | 3/54 (5.6) |
| Pharyngeal | 1/23 (4.3) | 0/6 | 0/11 | 0/1 | 0/2 | 0.999 | 1/43 (2.3) |
| Rectal | 1/24 (4.2) | 0/6 | 0/11 | 0/1 | 0/2 | 0.999 | 1/44 (2.3) |
| Urethral (vagina) | 1/26 (3.8) | 0/6 | 1/13 (7.7) | 0/2 | 0/2 | 0.999 | 2/49 (4.1) |
| Urethral (neopenis) | 0/3 | NA | NA | NA | NA | 0/3 | |
| Gonorrhoea (one or more locations) | 0/31 | 0/6 | 0/13 | 0/2 | 0/2 | 0/54 | |
| Pharyngeal | 0/23 | 0/6 | 0/11 | 0/1 | 0/2 | 0/43 | |
| Rectal | 0/24 | 0/6 | 0/11 | 0/1 | 0/2 | 0/44 | |
| Urethral (vagina) | 0/25 | 0/6 | 0/13 | 0/2 | 0/2 | 0/48 | |
| Urethral (neopenis) | 0/3 | NA | NA | NA | NA | 0/3 | |
| Infectious syphilis | 0/29 | 0/6 | 0/11 | 0/2 | 0/2 | 0/50 | |
| HIV (n=2 missing) | 0.727 | ||||||
| Opt-out | 2/31 (6.5) | 0 | 2/13 (15.4) | 0 | 0 | 4/54 (7.4) | |
| Known positive | 0 | 0 | 0 | 0 | 0 | 0 | |
| Negative tested | 29/31 (93.5) | 6 (100) | 11/13 (84.6) | 2 (100) | 2 (100) | 50/54 (92.6) | |
| Positive tested | 0 | 0 | 0 | 0 | 0 | 0 |
*Too small sample size to calculate media and IQR (n=2).
†Ethnicity was defined according to Statistics Netherlands on the basis of country of birth, maternal and paternal countries of birth.26
‡Giving fellatio, vaginal and/or anal sex.
§Among those who reported giving fellatio (only data from Amsterdam).
¶Among those who reported receptive anal sex with men.
**Among those who reported insertive anal sex and currently having a penis.
††Among those who reported vaginal sex and currently having a vagina and having sex with men or if currently having a penis and having sex with women.
‡‡Bacterial STI: chlamydia, gonorrhoea and/or infectious syphilis.
NA, not applicable; TGP-AFAB, transgender people assigned female at birth.