The use of inappropriate anal douching tool associates with increased HIV infection among men who have sex with men: a cross-sectional study in Shenyang, China

Table 1 Characteristics of Shenyang MSM who either used or did not use rectal douching (RD) (N = 515)

Characteristics	Total (n, %)		Reported RD (n, %)		No reported RD (n, %)		P-value
Total	515	100.0	317	61.6	198	38.4	P-value
Age (years)
18–29	238	46.2	149	47.0	89	44.9
≥ 30	277	53.8	168	53.0	109	55.1	0.649
Registered Liaoning Province residency
No	88	17.1	47	14.8	41	20.7
Yes	427	82.9	270	85.2	157	79.3	0.085
Education
Junior high school and below	137	26.6	70	22.1	67	33.8
Senior high school	114	22.1	69	21.8	45	22.7
College and above	264	51.3	178	56.2	86	43.4	0.006
Marital status
Single	307	59.6	184	58.0	123	62.1
Married/divorced/cohabiting with female	101	19.6	63	19.9	38	19.2	0.593
Cohabiting with male partner	107	20.8	70	22.1	37	18.7
Venue where sex is found
Offline	197	38.3	111	35.0	86	43.4
Online	318	61.7	206	65.0	112	56.6	0.056
Information related to most recent anal sex
Main anal sexual role with males
Versatile roles	174	33.8	119	37.5	55	27.8
Bottom	165	32.0	110	34.7	55	27.8
Top	176	34.2	88	27.8	88	44.4	0.001
CRAI
Yes	146	28.3	111	34.1	35	17.7
No	369	71.7	206	65.9	163	82.3	< 0.001
CIAI
Yes	121	23.5	84	26.5	37	18.7
No	394	76.5	233	73.5	161	81.3	0.042
Anal bleeding after anal sex
No	491	95.3	296	93.4	195	98.5
Yes	24	4.7	21	6.6	3	1.5	0.007
Used nitrite inhalants
No	366	71.1	193	60.9	173	87.4
Yes	149	28.9	124	39.1	25	12.6	< 0.001
Serosorting
No	405	78.6	240	75.7	165	83.3	0.040
Yes	110	21.4	77	24.3	33	16.7
Syphilis infection
No	447	86.8	268	84.5	189	90.4
Yes	68	13.2	49	15.5	19	9.6	0.056
HIV infection
No	455	88.3	269	84.9	186	93.9
Yes	60	11.7	48	15.1	12	6.1	0.002

ISSN: 1471-2458