Table 2.

Demographic profile of respondents.

	n	%		n	%
Gender			Monthly income
Male	298	45.1	Below CNY 2500	107	16.2
Female	363	54.9	CNY 2501-5000	194	29.3
Total	661	100.0	CNY 5001-7500	181	27.4
			CNY 7501–10,000	98	14.8
Age			CNY 10,001–12,500	39	5.9
18–30 years	190	28.7	Above CNY 12,501	42	6.4
31–40 years	221	33.4	Total	661	100
41–50 years	144	21.8
51–60 years	88	13.3	Training received
Above 60 years	18	2.7	Yes	406	61.4
Total	661	100	No	255	38.6
			Total	661	100
Location
East China	196	29.7	Times of training
Southern China	114	17.2	0-2 times	396	59.9
Central China	240	36.3	3-5 times	134	20.3
North China	47	7.1	6-8 times	71	10.7
Northwest China	20	3	8-10 times	43	6.5
Southwest China	28	4.2	more than 10 times	17	2.6
Northeast China	9	1.4	Total	661	100
Others	7	1.1
Total	661	100	Ways to gain knowledge
			Lecture method	148	22.4
Education			Work instruction method	221	33.4
Secondary school certificate	126	19.1	Game method	93	14.1
Diploma/Technical school certificate	159	24.1	Audio-visual technology method	125	18.9
Bachelor degree or equivalent	266	40.2	Other methods	74	11.2
Master degree	100	15.1	Total	661	100
Doctoral degree	10	1.5
Total	661	100