Table 2.

The demographic characteristics of the participants

Demographic factors		N	%
Gender	Male	40	4.6
	Female	821	95.4
	Total	861	100
Age	20–29	386	44.8
	30–39	240	27.9
	40–49	175	20.3
	50–59	39	4.5
	60–69	21	2.4
	Total	861	100
Marriage status	Single	278	32.3
	Married/ defector	561	65.2
	Divorced/separated/ widowed	22	2.5
	Total	861	100
Qualification	Lower than undergraduate	344	40
	Undergraduate	512	59.5
	Postgraduate	5	0.6
	Total	861	100
Professional title	Senior professional post	12	1.4
	Associate senior professional post	77	8.9
	Intermedium professional post	222	25.8
	Junior professional post	550	63.9
	Total	861	100
Annual income	Less than￥50,000	211	24.5
	￥50,001–￥100,000	374	43.4
	￥100,001–￥150,000	150	17.4
	￥150,001–￥200,000	86	10
	Higher than￥200,001	40	4.7
	Total	861	100

Annual income was in RMB. 1RMB = 0.14USD roughly at the time of data collection.