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. 2015 Jul 17;13(1):18. doi: 10.1186/s12971-015-0046-7

Table 1.

Demographic characteristics of the urban sample China, 2011

Group Number % of sample
Age (years)
 < 25 2110 15.0
 25–34 3061 20.8
 35–44 2537 19.4
 45–54 1620 20.3
 55+ 1878 25.5
Gender
 Male 3747 28.6
 Female 7459 78.8
Ethnicity
 Han 9776 89.7
 Other 1430 10.3
Education
 Elementary school or less 634 5.3
 Junior high school 2390 18.3
 High school 4089 37.4
 Junior college or more 4093 39.0
Occupation
 Managers and clerks 576 4.2
 Professionals 580 4.1
 Commerce and service 1254 10.0
 Operations 2811 22.5
 Students 1841 24.7
 Retired 1319 8.5
 Other 2825 25.9
Income/person/year (Yuan)
 < 10,000 1416 12.9
 10,000–19,999 3130 24.8
 20,000–29,999 3103 26.1
 30,000–39,999 1413 14.6
 40,000–49,999 990 10.2
 50,000+ 1154 11.5
Region location
 East 4556 51.6
 Middle 1664 9.9
 West 4986 38.6