Table 1.

Cohort characteristics of women who were not diagnosed with STI compared with women who were diagnosed with one or more STIs

Characteristic (N = 450)	No STIs* [n, (%)]	STIs [n, (%)]	OR	95% CI	P
Age < 21	39 (11.1)	21 (21.4)	2.19	1.22–3.93	0.01
Current relationship >1 year†	270 (81.1)	74 (77.1)	0.79	0.45–1.36	0.39
Primary education only‡	198 (57.2)	67 (69.8)	1.73	1.06–1.81	0.03
Regular employment	103 (29.3)	21 (21.4)	0.66	0.39–1.13	0.12
History of accepting material goods for sex	4 (1.1)	3 (3.1)	2.73	0.60–12.42	0.18
Prior use of condoms in lifetime	17 (4.8)	3 (3.1)	0.62	0.18–2.17	0.45
Single relationship status	19 (5.4)	3 (3.1)	0.55	0.16–1.91	0.34
History of STIs in lifetime	44 (12.5)	20 (20.4)	1.80	1.00–3.22	0.05
Abnormal vaginal discharge on exam§	167 (48.5)	56 (57.7)	1.45	0.92–2.28	0.11
Genital warts seen on exam§	24 (7.0)	4 (4.1)	0.57	0.19–1.69	0.31
Complaint of vaginal discharge**	15 (6.1)	5 (6.8)	1.14	0.40–3.24	0.81
Complaint of vulvitis§	6 (1.7)	4 (4.1)	2.42	0.67–8.77	0.16

STI = sexually transmitted infections; CI = confidence interval; OR = odds ratio

^*STIs is defined as one or more of trichomoniasis, gonorrhoea, chlamydia or syphilis on diagnostic testing

^†n = 429

^‡n = 442

^§n = 441

^**n = 320