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Table 1 Socio-demographic characteristics of study participants by circumcision status N = 3969

From: Male circumcision and prevalence of genital human papillomavirus infection in men: a multinational study

  Circumcision P-value
  No Yes
  N = 2545 (64.1%) N = 1424 (35.9%)
  N % N %  
Age      < 0.001
  Mean (SD) 33.4 (10.3) 30.9 (12.1)  
  18-30 1115 43.8 822 57.7  
  31-44 1119 44.0 406 28.5  
  45-70 311 12.2 196 13.8  
Country of residence      < 0.001
  US 241 9.5 1027 72.1  
  Brazil 1190 46.8 197 13.8  
  Mexico 1114 43.8 200 14.0  
Race      < 0.001
  White 877 35.1 889 63.1  
  Black 397 15.9 218 15.5  
  Asian/Pacific Islander 65 2.6 46 3.3  
  Mexican 1020 40.8 183 13.0  
  Other (American Indian, Mixed) 141 5.6 73 5.2  
  Unknown 45   15   
Marital status      < 0.001
  Single 946 37.3 838 58.9  
  Married 1035 40.8 322 12.7  
  Cohabiting 373 14.7 104 4.1  
  Divorced/Separated/Widowed 183 7.2 158 11.1  
  Unknown 8   2   
Education      < 0.001
  <12 Years 750 29.6 133 9.3  
  Completed 12 Years 774 30.6 292 20.5  
  13-15 Years 377 14.9 623 43.8  
  Completed 16 Years 497 19.6 273 19.2  
  ≥17 Years 135 5.3 102 7.2  
  Unknown 12   1   
Current smoker      0.054
  No 1916 75.4 1112 78.2  
  Yes 624 24.6 310 21.8  
  Unknown 5   2   
Sexual orientation      < 0.001
  MSW 2092 82.5 1245 87.7  
  MSWM 161 6.4 54 3.8  
  MSM 132 5.2 41 2.9  
  No sex 150 5.9 79 5.6  
  Unknown 10   5   
Lifetime female sexual partners      0.059
  Median (SD) 6 (2055.1) 7 (79.4)  
  0-1 440 18.5 253 18.4  
  2-9 1040 43.8 560 40.8  
  10-19 416 17.5 234 17.0  
  20-49 354 14.9 229 16.7  
  50+ 124 5.2 98 7.1  
  Unknown 171   50   
Female sexual partners in past 3–6 months      < 0.001
  Mean (SD) 1.4 (2.4) 1.4 (1.7)  
  0 717 30.7 329 24.3  
  1 940 40.3 668 49.3  
  2 349 15.0 163 12.0  
  3+ 326 14.0 196 14.5  
Unknown 213   68   
Male anal sexual partners in past 3 months      0.002
  Mean (SD) 0.3 (3.3) 0.1 (1.0)  
  0 2341 92.9 1363 95.7  
  1 75 3.0 25 1.8  
  2 31 1.2 16 1.1  
  3+ 73 2.9 20 1.4  
  Unknown 25   0   
Diagnosis of STIs, ever      < 0.001
  No 1992 81.3 1209 86.9  
  Yes 459 18.7 183 13.1  
  Unknown 94   32   
HPV status      < 0.001
  Negative 840 33.0 481 33.8  
  Oncogenic HPV 763 30.0 419 29.4  
  Non-oncogenic HPV 618 24.3 280 19.7  
  Unclassified HPV 324 12.7 244 17.1  
HPV multiple infections      0.169
  2+ HPV types 794 57.5 379 54.2  
  1 HPV type 587 42.5 320 45.8  
  Negative 840   481   
  1. NOTE. SD, standard deviation; US, the United States; MSW, men who have sex with women; MSWM, men who have sex with women and men; MSM, men who have sex with men; STI, sexually transmitted infections. Numbers in bold correspond to P values < 0.05.