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Table 1 The weighted* distribution of demographic, socio-economic, health and behavioral characteristics across health care expenditure categories using the 2003-2008 CCHS cohorts for adult Ontarians

From: High-cost health care users in Ontario, Canada: demographic, socio-economic, and health status characteristics

Characteristic

Overall % (95% CI)

Top 1% % (95% CI)

Top 2 - 5% % (95% CI)

Top 6 - 50% % (95% CI)

Bottom 50% % (95% CI)

Total Population

N =28,529,265

N =285,255

N =1,141,128

N =12,839,271

N =14,263,611

Socio-economics

Sex (Male)

48.9 (48.8, 49.0)

50.4 (45.5, 55.4)

43.4 (41.3, 45.6)

39.6 (39.0, 40.1)

57.7 (57.2, 58.3)

Age group

     

 18 - 34

29.3 (29.0, 29.6)

3.6 (1.8, 5.4)

9.8 (8.5, 11.1)

20.6 (20.1, 21.2)

39.1 (38.6, 39.8)

 35 - 49

31.8 (31.3, 32.1)

10.9 (7.5, 14.3)

15.2 (13.4, 17.1)

27.1 (26.4, 27.8)

37.7 (36.9, 38.4)

 50 - 64

23.0 (22.6, 23.3)

22.5 (18.0, 27.0)

22.9 (21.1, 24.7)

26.3 (25.6, 27.0)

20.0 (19.4, 20.5)

 65 - 74

9.3 (9.1, 9.5)

24.1 (20.7, 27.5)

22.4 (20.7, 24.1)

15.5 (15.1, 15.9)

2.3 (2.1, 2.5)

 75+

6.7 (6.5, 6.9)

38.8 (34.0, 43.6)

29.7 (27.8, 31.5)

10.4 (10.1, 10.8)

0.84 (0.73, 0.95)

Ethnicity

     

 White

78.0 (77.4, 78.5)

87.1 (82.2, 91.5)

87.2 (85.3, 89.1)

78.5 (77.7, 79.3)

76.6 (75.8, 77.4)

 Visible Minority

20.2 (19.6, 20.7)

10.8 (6.5, 15.2)

10.7 (8.9, 12.6)

19.6 (18.8, 20.4)

21.6 (20.8, 22.4)

Immigrant Status

     

 Canadian-Born

67.7 (67.2, 68.3)

68.1 (63.1, 73.0)

68.7 (66.6, 70.8)

64.8 (64.0, 65.7)

70.3 (69.4, 71.1)

 Immigrant

32.0 (31.4, 32.5)

31.4 (26.4, 36.3)

30.8 (28.7, 32.9)

34.8 (34.0, 35.7)

29.5 (28.6, 30.3)

Marital Status

     

 Married or Common-Law

64.8 (64.3, 65.2)

58.3 (53.6, 62.9)

61.4 (59.3, 63.6)

68.1 (67.4, 68.8)

62.2 (61.5, 62.9)

 Other†

35.2 (34.7, 35.7)

41.7 (37.1, 46.3)

38.6 (36.4, 40.7)

31.9 (31.2, 32.6)

37.8 (37.1, 38.5)

Household Income (Equivalized)

     

 Low

16.4 (16.0, 16.8)

32.6 (28.0, 37.2)

28.1 (26.2, 30.0)

19.2 (18.5, 19.8)

12.7 (12.2, 13.1)

 Low-middle

17.8 (17.4, 18.2)

19.4 (15.9, 22.8)

19.4 (17.6, 21.1)

18.5 (17.9, 19.1)

17.0 (16.4, 17.6)

 Middle

17.1 (16.7, 17.5)

14.8 (11.6, 17.9)

12.6 (11.2, 13.9)

16.0 (15.5, 16.6)

18.4 (17.9, 19.0)

 Middle-High

17.9 (17.5, 18.3)

9.5 ( 7.0, 12.0)

12.2 (10.8, 13.7)

16.6 (16.0, 17.2)

19.7 (19.1, 20.3)

 High

18.3 (17.8, 18.8)

8.0 (5.1, 10.9)

11.1 (9.7, 12.6)

16.5 (15.9, 17.1)

20.7 (20.0, 21.3)

Health Status

Has a regular doctor (Yes)

91.1(90.8,91.4)

94.9 (92.4, 97.3)

95.7 (94.9, 96.5)

94.7 (94.3, 95.1)

87.5 (87.0, 88.0)

Has a self-reported chronic disease T

53.4 (52.9, 53.9)

92.3 (90.0, 94.6)

85.3 (83.6, 87.0)

67.3 (66.5, 68.1)

37.5 (36.9, 38.2)

Mean ADG Score**

4.9 (4.9, 5.0)

22.7 (21.2, 24.2)

16.7 (16.1, 17.3)

7.2 (7.0, 7.4)

1.6 (1.5, 1.7)

Body Mass Index (kg/m 2 )

     

 Underweight, BMI <18.5

2.7 (2.5, 2.9)

4.0 (2.6, 5.4)

3.4 (2.6, 4.3)

2.5 (2.3, 2.8)

2.7 (2.4, 3.0)

 Normal weight, 18.5 - 24.9

44.6 (44.1, 45.2)

36.0 (31.6, 40.5)

35.7 (33.6, 37.7)

41.8 (41.0, 42.6)

48.0 (47.2, 48.8)

 Overweight, 25 - 29.9

33.1 (32.6, 33.5)

31.7 (27.4, 36.1)

32.5 (30.5, 34.5)

32.9 (32.2, 33.6)

33.3 (32.5, 34.0)

 Obese, BMI >30

15.6 (15.3, 16.0)

19.8 (16.1, 23.6)

20.9 (19.4, 22.5)

17.7 (17.1, 18.3)

13.2 (12.8, 13.7)

Self-perceived general health

     

 Good (excellent/very/good)

87.6 (87.3, 88.0)

38.8 (34.7, 42.8)

57.1 (55.0, 59.2)

82.9 (82.3, 83.6)

95.3 (95.0, 95.6)

 Fair

9.0 (8.7, 9.3)

27.7 (24.1, 31.3)

23.8 (22.0, 25.6)

12.5 (12.0, 13.0)

4.2 (3.9, 4.5)

 Poor

3.3 (3.1, 3.6)

33.3 (28.8, 37.8)

19.0 (17.1, 20.9)

4.5 (4.1, 4.9)

0.47 (0.39, 0.55)

Self-perceived mental health

     

 Good (excellent/very/good)

92.3 (92.0, 92.7)

70.6 (66.2, 75.0)

80.2 (78.5, 81.8)

90.6 (90.1, 91.1)

95.3 (94.9, 95.7)

 Not Good (fair/poor)

5.2 (5.0, 5.5)

14.5 (10.9, 18.2)

11.2 (9.8, 12.5)

6.8 (6.4, 7.3)

3.2 (2.9, 3.4)

Consulted a mental health professional (past 12 months)

     

 Yes

8.9 (8.6, 9.2)

14.4 (10.9, 17.9)

13.3 (11.9, 14.7)

11.7 (11.2, 12.1)

5.9 (5.5, 6.3)

 No

88.6 (88.2, 88.9)

70.9 (66.5, 75.3)

78.0 (76.2, 79.8)

85.6 (85.0, 86.1)

92.5 (92.0, 92.9)

Behavioral

Life Stress

     

 High (Quite a bit or extreme)

23.3 (22.8, 23.7)

25.8 (21.3, 30.3)

24.3 (22.4, 26.1)

23.5 (22.9, 24.2)

22.9 (22.2, 23.6)

 Low (A bit, not very, none)

76.4 (76.0, 76.9)

73.2 (68.6, 77.8)

74.8 (72.9, 76.7)

76.1 (75.5, 76.8)

76.9 (76.2, 77.6)

Smoking status

     

 Heavy smoker (1+ packs/day)

6.5 (6.3, 6.8)

9.1 (6.2, 11.9)

8.0 (6.9, 9.1)

5.6 (5.3, 6.0)

7.1 (6.8, 7.5)

 Light smoker (<1 pack/day)

16.1 (15.7, 16.5)

9.3 (7.1, 11.4)

11.3 (10.0, 12.5)

14.0 (13.5, 14.6)

18.5 (17.9, 19.2)

 Former (Daily) smoker

23.5 (23.1, 24.0)

39.2 (34.5, 44.0)

36.1 (34.1, 38.1)

27.3 (26.6, 27.9)

18.9 (18.3, 19.4)

 Non-smoker

53.7 (52.2, 54.3)

42.1 (37.3, 46.9)

44.5 (42.4, 46.6)

52.9 (52.1, 53.7)

55.4 (54.6, 56.2)

Physical activity

     

 Inactive (<1.5 METs/day)

49.5 (48.8, 50.1)

59.4 (55.0, 63.9)

55.8 (53.6, 58.0)

52.0 (51.1, 52.8)

46.5 (45.6, 47.3)

 Active (1.5+ METs/day)

48.2 (47.5, 48.8)

25.9 (21.9, 29.8)

35.7 (33.5, 37.9)

45.5 (44.6, 46.3)

52.0 (51.1, 52.9)

Alcohol consumption (past year)†

     

 Current Drinker (any)

79.6 (79.1, 80.1)

57.4 (52.4, 62.4)

64.6 (62.4, 66.7)

76.2 (75.5, 77.0)

84.4 (83.7, 85.0)

 Current Non-Drinker

20.3 (19.7, 20.8)

42.5 (37.5, 47.6)

35.3 (33.2, 37.5)

23.6 (22.9, 24.4)

15.6 (14.9, 16.2)

  1. *Weighted using bootstrap weights provided by Statistics Canada. †Other: Divorced, separated, widowed or single. TChronic conditions common to all three CCHS cycles: asthma, arthritis, back problems, migraines, COPD or emphysema, diabetes, high blood pressure, heart disease, cancer, intestinal ulcers, effects of stroke, urinary incontinence, bowel disease, mood disorder or anxiety. **Mean ADG Score - a weighted score based on an individual’s aggregated diagnosis groups (ADG). Austin’s weighted ADG score has been described and validated elsewhere. Percentages represent “percent responded”. Sampling weights were used to produce population estimates.