Table 3.

Sample distribution.

Sex	N	Marital status	N	Monthly income (RMB)	N	Positional grade	N
Male	278	Spinsterhood	189	<2000	137	No grade	347
Female	276	Married	355	2000–4000	101	Chief staff member	90
Age	N	Else	10	4000–6000	62	Section chief rank	44
<21	9	Industry	N	6000–8000	45	Department head rank	10
21–25	99	Agriculture, Forestry, Fishery and Husbandry	21	8000–10000	95	Minister Rank	8
26–30	75	Public Management	35	10000–30000	53	Else	55
31–35	79	Mining	112	30000–100000	39	Positional Hierarchy	N
36–40	89	Manufacturing	32	>100000	22	Ordinary	277
41–45	84	Construction	23	Nature of organization	N	First-line Manager	109
46–50	56	Retailing	15	Government	32	Junior Manager	81
51–55	41	Transportation	47	Public Institution	107	Senior Manager	54
>55	22	Catering	36	State-owned company	153	Else	33
Diploma Level	N	Information servicing	37	Collective Ownership Institution	18	Professional Qualification	N
Junior middle school and following	52	Finance	13	Private Company	102	No grade	241
Senior High School	72	Real estate	29	Sino-foreign Joint Company	46	Primary	95
Junior College	122	Education	80	Foreign-funded company	24	Junior	131
Bachelor Degree	187	Sanitary and Health	17	Joint-stock Company	50	Sub-senior	45
Master‘s Degree	92	Entertainment	44	Else	22	Senior	42
Ph.D. and Postdoctoral degree	29	Else	13