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Table 1 Baseline characteristics and associations with NG or CT infection in symptomatic women, Kigali (N = 468): derivation cohort

From: Developing and validating a risk algorithm to diagnose Neisseria gonorrhoeae and Chlamydia trachomatis in symptomatic Rwandan women

  Total (N = 468) Either NG or CT (n = 162) NG and CT Uninfected (n = 306) p-value
N Col % N Row % N Row%
Demographics
Age
  25 or younger 187 40% 86 46% 101 54% < 0.0001
  Older than 25 281 60% 76 27% 205 73%  
Referrer
  Radio Advert 233 50% 70 30% 163 70% 0.038
  Othera 235 50% 92 39% 143 61%  
Living and Marital Status Composite
  Married and Cohabiting 216 46% 57 26% 159 74% 0.001
  Other 252 54% 105 42% 147 58%  
Education Level
  None/Primary 256 55% 75 29% 181 71% 0.008
  Secondary/Higher 212 45% 87 41% 125 59%  
Employment Status
  Full-time employment 165 35% 43 26% 122 74% 0.004
  Part-time/Student/Jobless 302 65% 119 39% 183 61%  
Sexual behaviors
Number of partners in last 30 days
  None or one partner 355 83% 102 29% 253 71% < 0.0001
  More than one partner 72 17% 44 61% 28 39%  
Condom use during vaginal sex in the last three months
  Always (or did not have vaginal sex) 30 7% 7 23% 23 77% < 0.0001
  Sometimes 123 29% 68 55% 55 45%  
  Never 274 64% 71 26% 203 74%  
Number of days since sexual contact you suspect STI was acquired from
  0–16 90 21% 42 47% 48 53% 0.006
   >=17 339 79% 106 31% 233 69%  
Self-reported symptoms
Genital itching
  Yes 266 57% 72 27% 194 73% <.001
  No 199 43% 87 44% 112 56%  
Number of days with symptoms
  1–10 113 21% 48 42% 65 58% 0.029
  11 or more 321 60% 100 31% 221 69%  
HIV and Other STI Results
HIV Status
  Positive 59 13% 29 49% 30 51% 0.012
  Negative 409 87% 133 33% 276 67%  
RPR Result
  Positive (1, 11 or greater) 39 8% 23 59% 16 41% 0.001
  Negative 423 92% 138 33% 285 67%  
Candida
  Positive 106 23% 17 16% 89 84% < 0.0001
  Negative 348 77% 138 40% 210 60%  
BV
  Positive 96 21% 49 51% 47 49% < 0.0001
  Negative 355 79% 104 29% 251 71%  
Physical exam
Vaginal Inflammation or Discharge
  Yes 398 92% 129 32% 269 68% 0.014
  No 36 8% 19 53% 17 47%  
Endocervical Inflammation or Discharge
  Yes 230 53% 96 42% 134 58% 0.001
  No 202 47% 52 26% 150 74%  
  1. aHeard from Friends/Walk-in/Pharmacy/Other/Invitation/Contact Partner/Internet
  2. Not associated, not tabled: number of children under 18, number of additional children desired, pregnancy status, wanting more children in the next two years, family planning method, burning sensations when passing urine, genital ulcer, dyspareunia, unpleasant odor, lower abdominal pain, trichomonas, genital ulcer
  3. CT Chlamydia trachomatis, NG Neisseria gonorrhoeae, SD standard deviation, STI sexually transmitted infection, RPR rapid plasma reagin, BV bacterial vaginosis