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

Table 2.

Demographic characteristics of individuals using self-treatment, by year (%)

Variables 1993 1998 2003 2008 χ2
Gender:
  
  
  
  
  
 Male
 19.8
 28.1
 35.5
 26.9
 2.2
 Female
 20.3
 28.6
 35.9
 27.2
  
 χ2
 1.1
 1.0
 0.4
 0.6
  
Age:
  
  
  
  
  
 15–24 years
 15.6
 22.1
 28.0
 20.4
 910.0**
 25-44 years old
 19.9
 28.0
 33.6
 27.0
 363.8**
 45-64 years old
 23.6
 31.7
 37.9
 29.6
 162.6**
 ≥65 years old
 26.0
 33.1
 40.2
 26.7
 457.5**
 χ2
 263.2**
 273.5**
 211.6**
 145.1**
  
Marriage:
  
  
  
  
  
 Unmarried
 21.6
 30.4
 32.8
 28.1
 156.0**
 Married
 21.8
 30.3
 37.1
 27.9
 21.9**
 Divorced
 26.9
 32.6
 41.1
 28.1
 5.4
 Widowed
 24.7
 31.5
 38.3
 28.7
 87.0**
 χ2
 12.3**
 2.1
 15.6**
 1.3
  
Education:
  
  
  
  
  
 Illiterate or semi-illiterate
 19.2
 25.6
 32.7
 26.7
 64.0**
 Primary/junior school
 21.7
 29.5
 37.0
 28.6
 127.5**
 High or technical school
 30.1
 40.7
 44.8
 28.5
 89.8**
 College or university and above
 31.3
 44.5
 49.1
 27.8
  
 χ2
 175.1**
 359.9**
 188.4**
 9.5*
  
Profession:
  
  
  
  
  
 Unemployed
 17.4
 32.6
 43.0
 29.9
 793.7**
 Worker
 28.8
 42.2
 44.3
 30.0
 2400.0**
 Farmer
 15.2
 21.5
 31.3
 26.3
 1000.0**
 Retired
 34.6
 38.8
 49.6
 26.0
 1500.0**
 χ2
 796.0**
 1000.0**
 572.5**
 49.6**
  
Family members:
  
  
  
  
  
 1–2 persons
 24.1
 33.2
 40.8
 28.5
 207.1**
 3-4 persons
 21.7
 30.9
 38.0
 27.7
 312.7**
 ≥5 persons
 17.5
 23.4
 31.7
 24.5
 581.9**
 χ2 86.8** 211.5** 120.4** 31.5**  

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