Table 3.

HIV Incidence Rate Among Participants In different Sub-groups, China (n = 347)

	HIV Seroconversion	IRa (95% CI)	IRR (95% CI)	P Value
Province
Guangdong	14	17.28 (10.23–29.18)	1.25 (0.53–3.04)	.29
Shandong	11	13.81 (7.65–24.94)
Migrant status
Yes	19	16.56 (10.56–25.96)	1.26 (0.47–3.87)	.32
No	6	13.08 (5.88–29.11)
Age of anal sexual debut
<16	2	22.22 (5.56–88.85)	1.46 (0.17–5.93)	.29
≥16	23	15.17 (10.08–22.83)
Disclosureb
Yes	15	13.71 (8.27–22.75)	0.07 (0.30–1.75)	.20
No	10	19.51 (10.50–32.26)

Abbreviations: CI, confidence interval; IR, incidence rate; IRR, incidence rate ratio.

^aPer 100 person-years.

^bDisclosure of sexual orientation to people other than their sexual partners.