Demographic features of identified PLWHA infected through commercial and nonmarital noncommercial heterosexual contact in China from 2015 to 2018: a retrospective cross-sectional study

Table 2 Overall age differences and age differences by gender between newly identified PLWHA infected through CHC and NMNCHC from 2015 to 2018

Gender	Year	Contact History	Average Age by Year	N	SD	T (Student’s t test)	P	Age Gap
Both Male and Female	2015	CHC	48.32	30,735	15.79	46.36	P < 0.0001	5.63
	2015	NMNCHC	42.69	35,436	15.39	46.36	P < 0.0001	5.63
	2016	CHC	49.95	33,448	15.7	56.416	P < 0.0001	6.53
	2016	NMNCHC	43.42	39,311	15.44	56.416	P < 0.0001	6.53
	2017	CHC	51.03	36,566	15.61	59.88	P < 0.0001	6.56
	2017	NMNCHC	44.47	45,083	15.53	59.88	P < 0.0001	6.56
	2018	CHC	52.69	40,347	15.5	72.145	P < 0.0001	7.46
	2018	NMNCHC	45.23	52,064	15.64	72.145	P < 0.0001	7.46
Male	2015	CHC	48.88	28,267	15.8	37.97	P < 0.0001	5.46
	2015	NMNCHC	43.42	21,284	15.91	37.97	P < 0.0001	5.46
	2016	CHC	50.45	30,890	15.72	47.71	P < 0.0001	6.52
	2016	NMNCHC	43.94	23,679	15.94	47.71	P < 0.0001	6.52
	2017	CHC	51.54	33,864	15.63	52.31	P < 0.0001	6.74
	2017	NMNCHC	44.80	27,330	16.11	52.31	P < 0.0001	6.74
	2018	CHC	53.13	37,522	15.5	64.66	P < 0.0001	7.82
	2018	NMNCHC	45.31	31,379	16.19	64.66	P < 0.0001	7.82
Female	2015	CHC	41.85	2468	14.14	0.85	P = 0.398	0.27
	2015	NMNCHC	41.59	14,152	14.51	0.85	P = 0.398	0.27
	2016	CHC	43.84	2558	14.08	3.9	P < 0.0001	1.21
	2016	NMNCHC	42.63	15,632	14.63	3.9	P < 0.0001	1.21
	2017	CHC	44.61	2702	13.92	2.18	P = 0.029	0.65
	2017	NMNCHC	43.96	17,753	14.59	2.18	P = 0.029	0.65
	2018	CHC	46.73	2825	14.18	5.58	P < 0.0001	1.62
	2018	NMNCHC	45.11	20,685	14.77	5.58	P < 0.0001	1.62

Abbreviation: CHC Commercial heterosexual contact, NMNCHC Nonmarital noncommercial heterosexual contact, PLWHA People living with HIV/AIDS

ISSN: 1471-2334