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Table 1 Characteristics of the patient cohort and comparable Ontario population

From: Determining the influence of the primary and specialist network of care on patient and system outcomes among patients with a new diagnosis of chronic obstructive pulmonary disease (COPD)

  

FP (n = 425,070)

Specialist (n = 25,767)

Ontario population (n = 7,272,600)

Demographics

  Age (years)

Mean ± SD

61.24 ± 14.61

66.03 ± 14.41

55.78 ± 13.67

Median (IQR)

60 (50–73)

66 (55–78)

53 (45–65)

  Age Group

31–40

33,357 (7.8%)

1,098 (4.3%)

941,598 (12.9%)

41–50

82,391 (19.4%)

3,154 (12.2%)

2,116,360 (29.1%)

51–64

135,024 (31.8%)

7,472 (29.0%)

2,380,291 (32.7%)

65 + 

174,289 (41.0%)

14,043 (54.5%)

1,834,351 (25.2%)

  Sex

F

213,544 (50.2%)

10,757 (41.7%)

3,778,781 (52.0%)

M

211,517 (49.8%)

15,010 (58.3%)

3,493,819 (48.0%)

  Dependency

Mean ± SD

3.25 ± 1.43

3.27 ± 1.43

2.99 ± 1.45

  Material deprivation

Mean ± SD

3.22 ± 1.41

3.31 ± 1.43

3.06 ± 1.42

  Ethnic concentration

Mean ± SD

2.87 ± 1.43

3.04 ± 1.43

3.17 ± 1.44

  Residential instability

Mean ± SD

3.32 ± 1.38

3.48 ± 1.39

3.03 ± 1.44

  Ontario marginalization index

Mean ± SD

3.16 ± 0.78

3.28 ± 0.79

3.06 ± 0.77

  Income quintile

1 (lowest)

97,662 (23.1%)

6,633 (25.9%)

1,329,933 (18.3%)

2

91,750 (21.7%)

5,572 (21.7%)

1,417,938 (19.5%)

3

83,793 (19.8%)

4,748 (18.5%)

1,442,931 (19.8%)

4

79,550 (18.8%)

4,512 (17.6%)

1,526,134 (21.0%)

5 (highest)

70,649 (16.7%)

4,155 (16.2%)

1,530,451 (21.0%)

  Rural status

N

358,403 (84.3%)

22,872 (88.8%)

6,370,810 (87.6%)

Y

66,600 (15.7%)

2,889 (11.2%)

898,174 (12.4%)

Clinical characteristics

  ADG comorbidity Score

1–4

136,715 (32.2%)

6,442 (25.0%)

3,836,306 (52.8%)

5–9

213,332 (50.2%)

11,374 (44.1%)

2,043,275 (28.1%)

10 + 

75,023 (17.6%)

7,951 (30.9%)

315,384 (4.3%)

  Asthma

Yes

86,898 (20.4%)

5,002 (19.4%)

800,276 (11.0%)

  Diabetes

Yes

78,340 (18.4%)

6,605 (25.6%)

1,058,359 (14.6%)

  Hypertension

Yes

205,504 (48.3%)

14,145 (54.9%)

2,583,329 (35.5%)

  1. • Dependency refers to area-level concentrations of persons who do not have income from employment; indicator measures include seniors, children and adults with non-compensated work
  2. • Material deprivation is related to the inability of individuals or communities to access and attain basic material needs; indicator measures include income, quality of housing, educational attainment and family structure characteristics
  3. • Ethnic concentrations refers to area-level concentration of recent immigrants and people, other than aboriginal peoples, who are non-Caucasian in race or non-white in colour
  4. •Residential instability refers to area-level concentrations of people who experience high rates of family or housing instability; indicator measures include types and density of residential accommodations and family structure characteristics
  5. • Ontario marginalization index is a composite index of the dimensions, with a score ranging from 1–5, with 1 representing low levels of marginalization and 5 representing high levels of marginalization
  6. • The Ontario population characteristics are derived from PCOP, a population level dataset that includes all people in Ontario who are deemed alive and eligible at a given point in time. All indicators are as of the date March 31, 2010, among persons > 35 years of age, with various look back periods