TABLE 2.

Demographics of the research sample.

Variable		Count	%
Gender	Male	183	56.0
	Female	144	44.0
Age	17 or bellow	6	1.8
	18–30	154	47.1
	31–40	103	31.5
	41–50	60	18.3
	>51	4	1.2
Education level	Junior high school	10	3.1
	Senior high school	15	4.6
	Undergraduate	262	80.1
	Postgraduate	40	12.2
Monthly income	<2,000 Yuan	32	9.8
	2,000–3,999 Yuan	97	29.7
	4,000–5,999 Yuan	101	30.9
	60,000–7,999 Yuan	71	21.7
	>≥8,000 Yuan	26	8.0
Occupation	Student	65	19.9
	Company employee	93	28.4
	Employee in public institutions	84	25.7
	Civil servant	33	10.1
	Self-employed	38	11.6
	Retired	10	3.1
	Others	4	1.2
Length of use	<6 months	8	2.4
	>6 months and <1 year	35	10.7
	>1 year and <2 years	124	37.9
	>2 years and <3 years	89	27.2
	>3 years	71	21.7
Average minutes using WeChat per day	<10 min	86	26.3
	>10 min and <30 min	101	30.9
	>30 min and <60 min	104	31.8
	>60 min	36	11.0