Table 1.

Participant's demographic profile.

Particulars	Description	Percentage(%)/Mean
Gender	Male	41.2
	Female	58.8
Age		30.66
Education	Primary school and below	0.3
	Junior high school	0.9
	Senioer high school(including technical secondary school, vocational high school and technical school)	5.5
	Junior college(including current student)	11.2
	Bachelor's degree(including current student)	40.6
	Postgraduate (including current student)	41.5
Personal income	3000 yuan and below	44.1
	3000-7000 yuan	23.8
	7000-15000 yuan	27.4
	Over 15000 yuan	4.8