Table 2

Sexual risk behaviour among male attending sexually transmitted infections (STI) clinics between 2015 and 2017

	2015 (n=1749)		2016 (n=1718)		2017 (n=1973)		χ² (p)
	N	%	N	%	N	%	χ² (p)
Age							1.31 (0.25)
11–20	99	5.7	50	2.9	85	4.3
21–30	453	25.9	406	23.6	495	25.1
31–40	444	25.4	431	25.1	543	27.5
41–50	392	22.4	442	25.7	417	21.1
51–60	195	11.1	215	12.5	231	11.7
>60	166	9.5	174	10.1	202	10.2
Marital status							1.10 (0.29)
Never married	386	22.1	405	23.6	405	20.5
Married/engaged	1332	76.1	1266	73.7	1534	77.8
Separated/divorced/widowed	31	1.8	47	2.7	34	1.7
Residency							21.3 (<0.001)
Guangdong	1614	92.3	1482	86.3	1723	87.3
Out of Guangdong	135	7.7	236	13.7	250	12.7
Had sex with female sex workers in the past 3 months							13.99 (0.002)
Yes	432	26.2	512	30.9	633	32.1
No	1214	73.8	1147	69.1	1336	67.9
Had sex with casual partners in the past 3 months							24.86 (<0.001)
Yes	288	17.5	460	27.3	490	24.9
No	1357	82.5	1223	72.7	1478	75.1
Recreational drug use							3.13 (0.08)
Yes	9	0.5	3	0.2	4	0.2
No	1684	99.5	1702	99.8	1969	99.8
Had anal intercourse with male partners							1.43 (0.23)
Yes	52	3.1	47	2.8	48	2.4
No	1633	96.9	1657	97.2	1920	97.6
Gonorrhoea							2.18 (0.14)
Yes	48	2.7	59	3.5	70	3.6
No	1701	97.3	1640	96.5	1863	96.4
Syphilis							1.05 (0.31)
Yes	60	3.5	54	3.9	73	4.1
No	1677	96.5	1326	96.1	1699	95.9
Chlamydia							1.24 (0.27)
Yes	106	6.1	147	8.7	137	7.1
No	1641	93.9	1552	91.3	1796	92.9