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Table 1 Description of chiropractors for the total combined sample, and for COAST and O-COAST chiropractorsc

From: The profile of older adults seeking chiropractic care: a secondary analysis

 

Total combined sample

(n = 91)

COAST Chiropractors

(n = 52)

O-COAST Chiropractors

(n = 39)

Comparisona between COAST and O-COAST

Female (%)

27 (29.7%)

14 (26.9%)

13 (33.3%)

χ2 = 0.4, df = 1, p = 0.5

Mean age in years (range; SD)

43.1 (24–71; 10.3)

42.3 (24–64; 9.3)

44.1 (25–71; 11.7)

t = −0.84, df = 89, p = 0.4

Mean years in practiceb (range, SD) (N = 89)

16.1 (1–45; 9.7)

16.3 (1–39; 8.5)

15.8 (2–45; 11.2)

t = 0.82, df = 88, p = 0.8

Years since graduation (range, SD)

17.1 (1–45; 9.8)

16.9 (1–40; 8.7)

17.4 (3–45; 11.3)

t = 0.8, df = 89, p = 0.8

   Less than 10 years

25 (27.5%)

13 (25.0%)

12 (30.8%)

χ2 = 1.0, df = 2, p = 0.6

   Between 10 to 20 years

38 (41.8%)

24 (46.2%)

14 (35.9%)

 

   Greater than 20 years

28 (30.8%)

15 (28.9%)

13 (33.3%)

 

Country of chiropractic education:

 Australia

44 (48.4%)

44 (84.6%)

 

 Canada

34 (37.4%)

1 (1.9%)

33 (84.6%)

χ2 = 77.2, df = 4, < 0.0001

 United States

10 (11.0%)

4 (7.7%)

6 (15.4%)

 

 United Kingdom

1 (1.1%)

1 (1.9%)

 

 New Zealand

2 (2.2%)

2 (3.9%)

 

Mean number of adult encounters (range; SD)

74.5 (7–105; 26.0)

73.9 (7–104; 26.6)

75.4 (13–105; 25.3)

t = −0.3, df = 89, p = 0.8

Mean number of adult patients (range; SD)

62.2 (5–99; 24.8)

63.4 (7–95; 23.8)

60.5 (5–99; 26.3)

t = 0.6, df = 89, p = 0.6

% Patients ≥65 years

Mean (range; SD)

15.8 (0–80; 11.2)

12.5 (0–35; 7.9)

20.2 (1.25–80.0; 13.3)

t = −3.4, df = 89, p = 0.002

  1. aPearson χ2 test for categorical variables, t-test for means
  2. b For mean years in practice, N = 89. For all other variables data from all 91 chiropractors was used for analysis
  3. cIn both COAST and O-COAST studies, participating chiropractors were representative of respective, national chiropractors in terms of age, gender, location of practice and time since graduation