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Table 1 Sociodemographic, behavioral and clinical characteristics of the study population, by HIV/PrEP-status

From: STI in times of PrEP: high prevalence of chlamydia, gonorrhea, and mycoplasma at different anatomic sites in men who have sex with men in Germany

Nb ALL HIV+ HIV−/PrEP- HIV−/PrEP+
2303a 1164 745 283
Demographicsc
 Age (median [range]; n = 2287) 39 [18–79] 44 [20–79] 34 [18–73] 35 [20–66]
 Born in Germany (%; n = 2168) 74.5 80.8 69.1 62.8
 University-entrance diploma (%; n = 2157) 66.2 54.4 79.5 80.2
Sexual behavior in the last 6 months
 Number of sex partners (median [range]; n = 1935) 5 [0–820] 4 [0–820] 5 [0–120] 11 [1–240]
 Sex without condom (%, n = 2148) 73.6 73.1 67.3 91.8
 Condomless anal intercourse (insertive; %; n = 2076) 55.7 56.8 51.5 78.4
 Condomless anal intercourse (receptive; %; n = 2077) 59.2 63.7 46.6 73.8
 Condomless oral intercourse (insertive; %; n = 2077) 87.2 83.9 89.6 94.0
 Condomless oral intercourse (receptive; %; n = 2078) 81.2 76.1 85.9 88.7
 Rimming (active; %; n = 2075) 54.9 49.3 56.0 73.1
 Rimming (passive; %; n = 2076) 58.1 52.4 62.1 77.0
 Fisting (active; %; n = 2072) 15.5 16.0 11.8 23.0
 Fisting (passive; %; n = 2072) 9.6 11.7 5.9 11.7
 Use of drugs (%; n = 2123) 67.7 64.3 66.6 84.2
 Use of party drugs (%; n = 2123) 44.6 42.9 39.6 64.4
 Paid for sex (%; n = 1814) 3.5 3.7 3.4 2.7
 Being paid for sex (%; n = 1791) 2.8 2.9 2.9 2.6
STI history
 STI in medical history (%, n = 1908) 80.3 96.6 59.4 81.1
 Chlamydia trachomatis (%, n = 2148) 39.8 42.6 30.9 52.1
 Hepatitis B (%, n = 2144) 11.0 16.7 4.0 5.7
 Hepatitis C (%, n = 2145) 8.6 15.0 1.2 1.8
 Mycoplasma genitalium (%, n = 2139) 6.9 5.8 5.8 14.2
Neisseria gonorrhoeae (%, n = 2188) 46.3 48.6 37.9 58.9
 Treponema pallidum (%, n = 2155) 40.9 55.4 20.8 33.7
Report of STI-related clinical symptoms in the last four weeks (%; n=;642) 32.2 29.1 37.7 33.0
  1. aThe total number of study participants also includes HIV-negative MSM with no data given on their PrEP use
  2. bThe N represents the number of participants in each group
  3. cThe n represent the number of participants answering the question