Table 3

Frequency distributions (weighted percentages unless indicated otherwise) of health status variables and chronic conditions reported by DC and GP patients, by country and pattern of health-care use in the past 12 months: Joint Canada/US Survey of Health, 2002–03*

    United States

    Canada

Variable

Category

GP only (n = 3565)

GP+DC (n = 511)

DC only (n = 84)

GP only (n = 2434)

GP+DC (n = 397)

DC only (n = 51)


Health Utility Index

Mean (SE)

0.86 (<0.01)

0.87 (0.01)

0.87 (0.02)

0.88 (0.01)

0.87 (0.01)

0.92 (0.02)

Self-rated health

Excellent

23.4

25.3

30.7

20.8

21.5

38.0

Very good

32.7

38.5

27.7

36.9

39.6

35.4

Good

27.3

23.4

34.0

29.3

25.3

24.7

Fair or poor

16.6

12.8

7.6

12.9

13.6

2.0

Depression

Episode, past year

8.7

11.2

11.6

8.5

9.8

3.5

Mental health visit

Visit, past year

11.8

16.1

7.5

11.1

16.5

0.0

Emotional problems

Happy in life

78.0

77.4

79.0

80.3

84.9

84.0

Chronic conditions (lifetime history)

Asthma

12.0

14.8

3.3

10.8

12.5

10.4

Arthritis

21.3

24.2

17.8

19.1

23.2

0.0

Hypertension

27.4

22.7

3.5

22.0

14.4

2.5

Emphysema or COPD 2.6

2.0

0.7

1.6

1.4

0.0

Diabetes

8.6

6.0

0.0

5.8

4.3

0.7

Heart disease

7.5

5.0

3.0

6.2

5.0

1.0

Coronary heart disease 3.1

2.3

0.6

2.3

1.4

1.0

Angina

3.6

1.4

2.5

4.8

2.4

0.0

1 or more conditions

43.1

41.7

19.1

38.2

37.9

8.2


* Weighted percentages may not sum to 100 because of missing data or exclusion of certain categories; percentages weighted to account for age, sex, region (Canada only), and race/ethnicity (U.S. only); 3565, 511, and 84 represent 138,802,519, 20,060,412, and 3,453,164 adults, respectively, in the U.S.; 2434, 397, and 51 represent 16,555,719, 2,723,870, and 381,147 adults, respectively, in Canada.

GP = general practitioner or family doctor; DC = Doctor of Chiropractic; SE = standard error; COPD = chronic obstructive pulmonary disease.

Hurwitz and Chiang BMC Health Services Research 2006 6:49   doi:10.1186/1472-6963-6-49

Open Data