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Table 1 Sociodemographic characteristics of the studied population (n = 866)

From: Overview and factors associated with pregnancies and abortions occurring in sex workers in Benin

Sociodemographic variables 2013 (n = 418) 2016 (n = 448) Combined population (n = 866) p-value*
Frequency (%) Median (IQR) Frequency (%)
Age    39 (24–37)   
  < 20 25 (6.0) 14 (3.1)   39 (4.5)  
 20–24 94 (22.5) 87 (19.4)   181 (20.9)  
 25–29 113 (27.0) 120 (26.8)   233 (26.9)  
 30–34 81 (19.4) 96 (21.4)   132 (15.2)  
 35–39 36 (8.6) 35 (7.8)   71 (8.2)  
  ≥ 40 69 (16.5) 96 (21.4)   165 (19.1) 0.1426
Region     
 Greater Cotonou area 261 (62.5) 303 (67.6)   564 (65.1)  
 Regions 157 (37.6) 145 (32.4)   302 (34.9) 0.1090
Country of origin     
 Benin 199 (47.6) 182 (40.6)   381 (44.0)  
 Togo 70 (16.8) 92 (20.6)   162 (18.7)  
 Nigeria 106 (25.4) 125 (27.9)   231 (26.7)  
 Ghana 33 (7.9) 38 (8.5)   71 (8.2)  
 Other 10 (2.4) 11 (2.5)   21 (2.4) 0.3223
Religion     
 Catholic 171 (40.9) 194 (43.3)   365 (42.2)  
 Other Christian 159 (38.0) 162 (36.2)   321 (37.1)  
 Muslim and other 38 (9.1) 50 (11.2)   88 (10.2)  
 Traditional 19 (4.6) 23 (5.1)   42 (4.9)  
 No religion 31 (7.4) 19 (4.2)   58 (5.8) 0.2540
Education     
 Unschooled 77 (18.4) 87 (19.4)   164 (18.9)  
 Primary 160 (38.3) 170 (38.0)   330 (38.1)  
 Secondary 1 112 (26.8) 136 (30.4)   248 (28.6)  
 Secondary 2 and more 69 (16.5) 55 (12.3)   124 (14.3) 0.2861
Marital status     
 Married 16 (3.8) 19 (4.2)   35 (4.0)  
 Divorced or separeted 207 (49.5) 262 (58.5)   469 (54.2)  
 Widowed 32 (7.7) 44 (9.8)   76 (8.8)  
 Single 163 (39.0) 123 (27.5)   286 (33.0) 0.0043
Has a boyfriend     
 Yes 239 (57.2) 213 (47.5)   452 (52.2)  
 No 179 (42.8) 235 (52.5)   414 (47.8) 0.0046
Cohabitation with a sexual partner    
 Yes 35 (8.4) 65 (14.5)   100 (21.6)  
 No 383 (91.6) 383 (85.5)   766 (88.5) 0.0048
Number of dependents    2 (1–4)   
 None 133 (31.8) 64 (14.3)   197 (22.8)  
 1 person 55 (13.2) 53 (11.8)   108 (12.5)  
 2 persons 59 (14.1) 80 (17.9)   139 (16.1)  
 3 persons 58 (13.9) 75 (16.7)   133 (15.4)  
 4 persons 38 (9.1) 54 (12.1)   92 (10.6)  
  ≥ 5 persons 75 (17.9) 122 (27.2)   197 (22.8) < 0.0001
Number of biological children    1 (1 - 3)   
 None 116 (27.8) 70 (15.6)   186 (21.5)  
 1 child 123 (29.4) 126 (28.1)   249 (28.9)  
 2 children 83 (19.9) 117 (26.1)   200 (23.1)  
 3 children 51 (12.2) 61 (13.6)   112 (12.9)  
  ≥ 4 children 45 (10.8) 74 (16.5)   119 (13.7) < 0.0001
                         Sex work characteristics
Age at first sex    17 (16–19)   
   ≤ 15 92 (22.0) 115 (25.7)   207 (23.9)  
  16–17 139 (33.3) 120 (26.8)   259 (29.9)  
  18–19 127 (30.4) 138 (30.8)   265 (30.6)  
   ≥ 20 60 (14.4) 75 (16.7)   135 (15.6) 0.1689
Sex work debut (age)    24 (20–30)   
   ≤ 17 29 (6.9) 69 (15.4)   98 (11.3)  
  18–21 98 (23.4) 111 (24.8)   209 (24.1)  
  22–25 99 (23.7) 108 (24.1)   207 (23.9)  
  26–29 69 (16.5) 49 (10.9)   118 (13.6)  
   ≥ 30 123 (29.4) 111 (24.8)   234 (27.0) 0.0004
Duration in sex work (years)    4 (2–7)   
   ≤ 1 105 (25.1) 86 (19.2)   191 (22.1)  
  2 83 (19.9) 60 (13.4)   143 (16.5)  
  3–4 94 (22.5) 82 (18.3)   176 (20.3)  
  5–9 104 (24.9) 97 (21.7)   201 (23.2)  
   ≥ 10 32 (7.7) 123 (27.5)   155 (17.9) < 0.0001
Number of clients (last day of work)   3 (1–4)   
   ≤ 1 124 (29.7) 102 (22.8)   226 (26.1)  
  2 to 3 127 (30.4) 205 (45.8)   332 (38.3)  
  4 to 5 100 (23.9) 89 (19.9)   189 (21.8)  
   ≥ 5 67 (16.0) 52 (11.6)   119 (13.7) < 0.0001
Number of clients (last 7 days)    13 (6–25)   
   ≤ 5 103 (24.6) 100 (22.3)   203 (23.4)  
  6–10 55 (13.2) 114 (25.5)   169 (19.5)  
  11–15 62 (14.8) 81 (18.1)   143 (16.5)  
  16–20 77 (18.4) 73 (16.3)   150 (17.3)  
   ≥ 20 121 (29.0) 80 (17.9)   201 (23.2) < 0.0001
Money received for last sexual relation (FCFA)a   2500 (1500–5000)   
   ≤ 1500 137 (32.8) 120 (26.8)   257 (29.7)  
  1501–2000 83 (19.9) 90 (20.1)   173 (20.0)  
  2001–5000 137 (32.8) 157 (35.0)   294 (34.0)  
   > 5000 61 (14.6) 81 (18.1)   142 (16.4) 0.2078
                          Prevention services
Use at least one SRH prevention services during sex work   
  Yes 110 (26.3) 215 (48.0)   325 (37.5)  
  No 308 (73.7) 233 (52.0)   541 (62.5) < 0.0001
Participates as peer worker in HIV and STI prevention activities   
  Yes 29 (6.9) 62 (13.8)   91 (10.5)  
  No 389 (93.1) 386 (86.2)   775 (89.5)  0.0003
Tested for HIV at least once during lifetime    
  Yes 364 (87.1) 436 (97.3)   800 (92.4)  
  No 54 (12.9) 12 (2.7)   66 (7.6) 0.0217
                           Contraception
Currently using hormonal contraception    
  Yes 75 (17.9) 92 (20.5)   167 (19.3)  
  No 343 (82.1) 356 (79.5)   699 (80.7) 0.3338
Condom use (the last 7 days)
 With clients     
  Not always 41 (9.8) 35 (7.8)   76 (8.8)  
  Always 377 (90.1) 413 (92.2)   790 (91.2) 0.2995
 With non-paying partners     
  Never/Not always 107 (25.6) 93 (20.8)   200 (23.1)  
  Always 42 (10.1) 23 (5.1)   65 (7.5)  
  No sexual relation 269 (64.4) 332 (74.1)   601 (69.4) 0.0023
  1. * According to chi-square comparing the frequencies between 2013 and 2016
  2. a FCFA (1 US dollars ± = 500 FCFA)