TABLE 1.

Demographic results.

		N	Percentage (%)
Gender	Male	232	45.0
	Female	283	55.0
Age	≤30 years old	127	24.7
	31–40 years old	159	30.9
	41–50 years old	171	33.2
	≥51 years old	58	11.3
Marital status	Married	413	80.2
	Unmarried	93	18.1
	Divorced	9	1.7
Education background	Junior college and below	34	6.6
	Undergraduate	438	85.0
	Master and above	43	8.3
Class adviser	Yes	217	42.1
	No	298	57.9
Working time	≤5 years	120	23.3
	6–10 years	58	11.3
	11–15 years	56	10.9
	≥16 years	281	54.6
Work location	City	147	28.5
	Town	176	34.2
	Village	192	37.3
School rank	Key	134	26.0
	General	381	74.0
Teaching grade	Grade 7	185	35.9
	Grade 8	157	30.5
	Grade 9	173	33.6