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. 2014 Apr 29;14:126. doi: 10.1186/1471-244X-14-126

Table 1.

The characteristics of the study sample (N = 2,080)

  N %   N %
Gender
 
 
  Ethnic group
 
 
Male
1,227
59.0
   Han
1,674
80.5
Female
853
41.0
   Tibetan
147
7.1
 
 
 
   Qiang
211
10.1
Age groups
 
 
   Other
48
2.3
18-30
441
21.2
 
 
 
31-40
849
40.8
  Education level
 
 
41-50
609
29.3
   No degreea
1095
52.6
51-68
181
8.7
   Bachelor
938
45.1
 
 
 
   Graduate
47
2.3
Income (RMB/month)
 
 
 
 
 
<1000 RMB
385
18.5
  Housing status
 
 
1000-2000 RMB
1360
65.4
   Original house
758
36.4
2000-3000 RMB
264
12.7
   Public dormitory
295
14.2
>3000 RMB
71
3.4
   Rented house
643
30.9
      Temporary accommodation 384 18.5

aIn China only undergraduates and above have a degree, so in our study all education lower than undergraduate level (including college diploma, high school and less than high school) are included in “No degree” group.