Table 2.

Characteristics of sexual partner types identified by latent class analysis among sexually active adolescent girls and young women (AGYW) ages 13–23 in rural South Africa, from March 2011 to March 2015 (N=2968 partner-reports)^a,b,c

	Sexual Partner Type Identified by LCA
	All partner-reports		Monogamous HIV-Negative Peer Partner		One-Time Protected In-School Peer Partner		Anonymous Out-of-School Peer Partner		Out-of-School Older Partner		Cohabiting with Children In-School Peer Partner
	N	%	N	%	N	%	N	%	N	%	N	%
Sexual Partner Characteristics
Partner ≥5 years older
Yes	557	18.81	143	9.15	22	3.74	80	21.00	281	90.65	31	26.27
No	2404	81.19	1420	90.85	567	96.26	301	79.00	29	9.35	87	73.73
Partner enrolled in school
Yes	1569	52.97	773	49.36	411	70.14	119	31.32	4	1.29	86	71.67
No	1393	47.03	793	50.64	175	29.86	216	68.68	306	98.71	34	29.33
Children with index AGYW
Yes	669	23.01	442	28.81	2	0.34	29	7.75	101	33.01	95	85.59
No	2238	76.99	1092	71.19	580	99.66	345	92.25	205	66.99	16	14.41
Partner has children with other women
Yes	368	12.42	129	8.24	17	2.89	29	7.59	116	37.54	77	64.17
No	2229	75.20	1395	89.14	535	90.99	80	20.94	178	57.61	41	34.17
Don’t know	367	12.38	41	2.62	36	6.12	273	71.47	15	4.85	2	1.67
Partner cohabits with index AGYW
Yes	338	11.40	142	9.06	3	0.51	36	9.45	47	15.16	110	92.44
No	2628	88.60	1425	90.94	586	99.49	345	90.55	263	84.84	9	7.56
Partner had sex with index AGYW only once
Yes	557	18.85	93	5.95	356	60.96	68	17.99	39	12.58	1	0.83
No	2398	81.15	1470	94.05	228	39.04	310	82.01	271	87.42	119	99.17
Always use condoms with index AGYW
Yes	642	21.76	90	6.35	431	73.55	59	15.69	53	17.10	0	0.00
No	2309	78.24	1460	93.65	155	26.45	317	84.31	257	82.90	120	100.00
Partner HIV-positive
Yes	188	6.35	66	4.23	43	7.30	11	2.88	45	14.56	23	19.17
No	2204	74.43	1370	87.76	460	78.10	72	18.85	207	66.99	95	79.17
Don’t know	569	19.22	125	8.01	86	14.60	299	78.27	57	18.45	2	1.67
Partner has other concurrent sexual partners
Yes	640	21.60	367	23.45	98	16.67	36	9.47	100	32.26	39	32.50
No	1551	52.35	994	63.51	327	55.61	10	2.63	139	44.84	81	67.50
Don’t know	772	26.05	204	13.04	163	27.72	334	87.89	71	22.90	0	0.00
Transactional sex with index AGYW
Yes	766	25.81	433	27.63	32	5.43	68	17.80	127	40.97	106	88.33
No	2202	74.19	1134	72.37	557	94.57	314	82.20	183	59.03	14	11.67

^aAdolescent girls and young women (AGYW) could report up to 3 sexual partners at each study visit and may have multiple observations due to repeated visits. Sexual partner frequencies include all sexual partners across all follow-up visits. The same partner could be reported at multiple visits; thus frequencies represent partner-reports, not distinct sexual partners. Percentages are column percents by sexual partner type.

^bMissing: Partner ≥5 years older 7; Partner enrolled in school 6; Children with index AGYW 61; Partner has children with other women 4; Cohabit with index AGYW 2; Sex with index AGYW only once 13; Always use condoms with index AGYW 17; Partner HIV-positive 10; Partner has other concurrent sexual partners 9; Transactional sex with index AGYW 0.

^cGrey shading indicates key defining characteristics of partner types based on low or high proportion of partners with a specific characteristic.