. Author manuscript; available in PMC: 2025 Aug 25.

Published in final edited form as: Int J STD AIDS. 2021 Jul 7;32(13):1204–1211. doi: 10.1177/09564624211030368

Table 3.

Comparison of STI incidence between HIV-positive index cases and HIV-negative partners.

	Gender	No. of infections	Follow-up time	Incidence rate/100 person-years	Unadjusted IRR (95% CI)	Adjusted IRR¹ (95% CI)

Partner	Male	89	3977.07	2.24	1.0	1.0
	Female	121	4189.72	2.88	1.27 (0.91–1.76)	1.11 (0.79–1.57)
Index	Male	54	4831.17	1.12	0.49 (0.34–0.73)	0.50 (0.33–0.75)
	Female	292	4700.98	6.21	2.69 (2.08–3.49)	2.25 (1.70–2.97)

STI, Chlamydia trachomatis, Neisseria gonorrhoeae, or Trichomonas vaginalis.

Note: STI: Sexually transmitted infections.

Adjusted for age and education.