Table 2.

Human Immunodeficiency Virus Incidence According to Exposure Status and Year of Follow-Up for the HIV Prevention Trials Network 068 Cohort, Mpumalanga, South Africa, 2011–2017

No. of Years of Follow-up	Overall				No Depressive Symptoms				Depressive Symptoms
	No. of HIV Cases	Observed Person-Years at Riska	Cases/Person-Years	Cumulative Incidenceb	No. of HIV Cases	Observed Person-Years at Risk	Cases/Person-Years	Cumulative Incidenceb	No. of HIV Cases	Observed Person-Years at Risk	Cases/Person-Years	Cumulative Incidenceb
2	22	2,329	0.009	0.009	16	1,906	0.008	0.008	6	423	0.014	0.014
3	43	2,136	0.020	0.027	27	1,747	0.015	0.022	16	389	0.041	0.050
4	42	1,913	0.022	0.044	34	1,570	0.022	0.039	8	343	0.023	0.068
5	36	1,336	0.027	0.059	26	1,093	0.024	0.052	10	243	0.041	0.091
6	32	671	0.048	0.072	25	547	0.046	0.065	7	124	0.056	0.107
Total	175	8,385	0.021	0.072	128	6,863	0.019	0.065	47	1,522	0.031	0.107

Abbreviation: HIV, human immunodeficiency virus.

^a The total observed person-years at risk at the second year of follow-up is n = 2,329 rather than the total n = 2,415 because 86 were lost to follow-up before the second year.

^b Cumulative incidence includes all cases up through the relevant year of follow-up.