Table 4 The proportion of respondents using self-treatment in different health-behavior and daily health status categories, by year (%)

Smoking:

 No

19.1

30.1

36.7

28.1

2000.0**

 Yes

23.2

31.3

38.2

26.1

 χ ²

54.7**

3.5

4.5*

2.3

Drinking:

 No

19.6

30.3

36.9

27.7

192.0**

 Yes

23.5

31.2

38.7

31.5

 χ ²

31.8**

1.1

2.6

21.8**

Exercising:

 No

18.8

28.1

34.8

27.7

215.6**

 Yes

29.5

40.8

47.0

29.3

 χ ²

223.9**

300.7**

224.1**

7.5**

Chronic illness:

 No

17.2

25.6

31.5

25.4

466.8**

 Yes

24.2

31.6

39.7

28.1

 χ ²

224.5**

143.4**

201.7**

27.3**

Limited activity limiter:

 No

20.0

28.5

37.9

28.7

1400.0**

 Yes

20.4

27.1

30.2

25.3

 χ ²

0.3

1.5

147.7**

24.3**