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. 2012 Nov 17;12:995. doi: 10.1186/1471-2458-12-995

Table 3.

The proportion of respondents using self-treatment in different economic categories, by year (%)

Variables 1993 1998 2003 2008 χ2
Insurance:
  
  
  
  
  
 Without any health insurance
 16.0
 25.3
 33.9
 35.9
 7200.0**
 Other medical insurance
 12.9
 24.6
 32.0
 32.4
 251.7**
 Rural cooperative medical scheme
 15.0
 18.5
 29.0
 25.4
 13000.0**
 Urban basic medical insurance
 33.4
 44.3
 47.7
 27.6
 301.6**
 Free medical insurance
 30.5
 41.9
 49.5
 22.8
 1300.0**
 χ2
 1000.0**
 907.9**
 367.2**
 191.7**
  
Shortest distances from residence to medical institutions:
  
  
  
  
  
 ≤1 km
 21.0
 29.7
 38.1
 27.3
 275.7**
 >1 km
 17.8
 25.1
 31.0
 26.6
 χ2
 38.2**
 66.3**
 135.2**
 2.2
  
Annual per capita incomea:
  
  
  
  
  
 Low
 17.5
 21.9
 30.6
 23.8
 2900.0**
 Middle
 19.9
 30.3
 37.9
 27.1
 241.2**
 High
 4.5
 39.3
 44.2
 27.7
 3300.0**
 χ2
 15.3**
 655.1**
 350.0**
 22.4**
  
TV:
  
  
  
  
  
 No
 NA
 21.3
 29.0
 27.2
 340.9**
 Yes
 NA
 29.7
 36.9
 27.1
 χ2
  
 148.7**
 90.7**
 0.01
  
Sanitary water:
  
  
  
  
  
 No
 14.3
 20.6
 29.5
 24.6
 27.5**
 Yes
 27.7
 36.7
 41.8
 29.0
 χ2
 833.9**
 1000.0**
 460.9**
 80.0**
  
Family poverty:
  
  
  
  
  
 No
 NA
 28.2
 36.0
 26.9
 191.4**
 Yes
 NA
 31.3
 31.2
 28.6
 χ2   10.6** 15.2** 4.5*  

a Annual per capita income discounted by CPI inflation in 1993, 1998 and 2003, and divided into low, middle, and high tertiles. NA: no data available.

*Significant at 5%. **Significant at 1%.