Table 2. HIV incidence estimates in young men aged 20–29 years, by age group and calendar period.

Age group	Calendar period	New HIV infections	Person-years	Incidence rate / 100 person-years	Rate ratio (95% CI) 1
20–24 years	2006–2010	103	3430	2.99 (2.38–3.77)	1
	2011–2015	76	2876	2.62 (2.01–3.42)	0.85 (0.59–1.23)
25–29 years	2006–2010	59	1299	4.54 (3.32–6.21)	1
	2011–2015	66	1592	4.16 (3.12–5.56)	0.92 (0.59–1.42)

¹Rate ratio comparing HIV incidence in the period 2011–2015 to that in 2006–2015, adjusted for current age.