Table 3

Association of characteristics with Mycoplasma genitalium and Chlamydia trachomatis in women attending two London STI clinics

Characteristic(N=2172) Percentage of women with characteristicM genitalium (%) (proportion of women)aOR* (95% CI)p ValueC trachomatis proportion of women)aOR* (95% CI)p Value
Age
 15–198.69.7 (18/186)6.4 (12/186)
 20–2430.66.2 (41/665)6.0 (40/665)
 25–2928.61.6 (10/621)2.9 (18/621)
 30–3415.62.3 (9/339)3.2 (11/339)
 35–6416.60.8 (3/361)0.6 (2/361)
Ethnicity
 White23.06.0 (30/499)17.0 (35/499)1
 Black or black British6.97.4 (11/149)1.2 (0.6 to 2.5)0.604.0 (6/149)0.5 (0.2 to 1.3)0.54
 Asian or Asian British1.717.6 (6/36)3.1 (1.2 to 8.1)0.195.6 (2/36)0.8 (0.2 to 3.4)0.73
 Mixed3.94.8 (4/84)0.7 (0.2 to 2.1)0.547.1 (6/84)0.9 (0.4 to 2.3)0.91
 Other Ethnic groups3.99.5 (8/83)1.6 (0.7 to 3.7)0.243.6 (3/83)0.5 (0.1 to 1.6)0.49
 Unknown60.81.7 (22/1321)0.5 (0.2 to 1.1)0.092.3 (31/1321)0.7 (0.3 to 1.4)0.66
Specimen
 Cervical/90.33.8 (75/1961)1.4 (0.6 to 3.2)0.483.4 (38/1130)0.7 (0.4 to 1.6)0.44
 Self-taken vaginal4.3 (36/831)0.9 (0.4 to 2.0)0.83
 First catch urine9.72.8 (6/211)14.3 (9/211)1
  • *aOR, ORs adjusted for age only.

  • STI, sexually transmitted infection.