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. Author manuscript; available in PMC: 2019 May 1.
Published in final edited form as: Sex Transm Infect. 2017 Nov 2;94(3):230–235. doi: 10.1136/sextrans-2017-053134

Table 1.

Characteristics of study participants and associations with Chlamydia trachomatis, Neisseria gonorrhoeae, and Trichomonas vaginalis infection, Gaborone, Botswana. (N=400)

   Total sample
(n=400)
An STI*
(n=54)
CT (n=31) NG (n=5) TV (n=21)

n % n % ρ n % ρ n % ρ n % ρ
Age, Median [range] 30 [19–45] 29 [19–43] 28 [19–40] 22 [21–39] 31 [21–43]
  18–25 years 95 (23.8) 17 (17.9) 12 (12.6) 3 (3.2) 4 (4.2)
  26–35 years 221 (55.3) 25 (11.3) 14 (6.3) 1 (0.5) 11 (5.0)
  >35 years 84 (21.0) 12 (14.3) 5 (6.0) 1 (1.2) 6 (7.1)

Marital Status (n=396)
  Unmarried 307 (76.8) 49 (16.0) 27 (8.8) 5 (1.6) 20 (6.5)
  Married 89 (22.3) 5 (5.6) 4 (4.5) 0 (0) 1 (1.1)

Education (n=392)
  Junior secondary or less 118 (29.5) 22 (18.6) 9 (7.6) 2 (1.7) 12 (10.2)
  Senior secondary 114 (28.5) 17 (14.9) 12 (10.5) 0 (0) 5 (4.4)
  Tertiary 160 (40.0) 15 (9.4) 10 (6.3) 3 (1.2.5) 4 (2.5)

Gestational Age weeks (LNMP), Median [range] 26 [5–36] 28 [8–35] 28 [8–35] 22 [11–32] 29 [14–34]

Prior pregnancies, Median [range] 1 [0–10] 1 [0–5] 1 [0–5] 1 [0–1] 2 [0–5]
Prior births, Median [range] 1 [0–7] 1 [0–5] 1 [0–5] 1 [0–1] 2 [0–5]
1 or more births 261 (65.3) 37 (14.1) 20 (7.7) 3 (1.1) 16 (6.1)
  Prior preterm birth 64 (24.5) 12 (18.8) 10 (15.6) 1 (1.6) 3 (4.7)
  No prior preterm birth 192 (73.5) 25 (13.0) 10 (5.2) 2 (1.0) 13 (6.8)

Current CT/NG/TV symptoms 165 (41.3) 22 (13.0) 10 (6.0) 3 (1.8) 10 (6.1)
  Vaginal discharge 107 (26.8) 15 (14.0) 8 (7.5) 2 (1.9) 6 (5.6)
  lower abdominal pain 88 (22.0) 9 (10.2) 2 (2.3) 1 (1.1) 6 (6.8)
  Painful urination 16 (4.0) 2 (12.5) 2 (12.5) 0 (0) 0 (0)

Treated syndromicly during pregnancy 48 (12.0) 8 (16.7) 5 (10.4) 1 (2.0) 2 (4.2)

Condom use before pregnancy**
  Never 110 (27.5) 14 (12.7) 8 (7.3) 1 (0.9) 5 (4.5)
  Sometimes 185 (46.3) 28 (15.1) 17 (9.2) 2 (1.1) 10 (5.4)
  Always 98 (24.5) 12 (12.6) 6 (6.3) 2 (2.0) 6 (6.1)

Condom use during pregnancy
  Never 188 (47.0) 30 (16.0) 16 (8.5) 4 (2.1) 13 (6.9)
  Sometimes 83 (20.8) 9 (10.8) 6 (7.2) 0 (0) 3 (4.6)
  Always 75 (18.8) 12 (16.0) 7 (9.3) 1 (1.3) 4 (5.3)

  HIV infection status
    Infected 90 (22.5) 21 (23.3) 10 (11.1) 2 (2.2) 9 (10.0)
    Uninfected 305 (76.3) 32 10.5) 20 (6.6) 3 1.0) 12 (3.9)

Notes:

*

An STI means diagnosed with CT, NG, and/or TV infection. LNMP stands for last normal menstrual period.

**

Women were asked about condom use during the 3 months prior to the pregnancy or trying for the pregnancy. Ranges are in brackets. Percentages are in parentheses, may not add up to 100 due to rounding. The denominator for the total sample column is 400. For the remaining columns, the denominators are derived from the row values in the total sample column.

represent p ≤0.05 and

represents p<0.1, which resulted from Student's T-test, Chi-squared test, Fisher's exact test, or Wilcoxon-Mann-Whitney test. CT, NG, and/or TV symptoms include vaginal discharge, lower abdominal pain and painful urination.