Table 1.

Socio-demographic characteristics of male sex workers in China.

Variables	Category	Frequency	Percentage
Gender identity	Cisgender male	148	96.1
	Transgender female	6	3.9
Marital status	Not single	83	53.9
	Single	71	46.1
Sexual orientation	Heterosexual	91	59.1
	Non-heterosexual	63	40.9
Educational level	College or above	61	39.6
	High school or below	93	60.4
Region	Urban	139	90.3
	Rural	15	9.7
Employment	Employed or retired	140	90.9
	Unemployed	14	9.1
Monthly income (CNY)	<5000	41	26.6
	>9990	27	17.5
	5000–9999	57	37.0
	No income	29	18.8
History of chronic diseases	No	123	79.9
	Yes	31	20.1
Self-reported STD history	No	9	5.8
	Yes	145	94.2
Have anxiety symptoms	No	139	90.3
	Yes	15	9.7
Have depression symptoms	No	125	81.2
	Yes	29	18.8

Notes: CNY = Chinese Yuan Renminbi; STD = sexually transmitted diseases.