A Biopsychosocial Profile of Adult Canadians with and without Chronic Back Disorders: A Population-Based Analysis of the 2009-2010 Canadian Community Health Surveys
Table 3
Multivariate model of adult Canadians with and without CBD.
Odds ratio for CBD
Unadjusted
Adjusted
OR (95% CI)
value
OR (95% CI)
value
Age
18–34
Reference category
Reference category
35–49
1.87 (1.73–2.01)
<0.001
1.25 (1.12–1.4)
<0.001
50–64
2.63 (2.45–2.82)
<0.001
1.36 (1.21–1.53)
<0.001
65+
2.71 (2.54–2.9)
<0.001
1.35 (1.2–1.53)
<0.001
Sex
Female
Reference category
Reference category
Male
0.93 (0.89–0.98)
0.005
0.98 (0.87–1.1)
0.739
Age * male
18–34
Reference category
35–49
1.22 (1.04–1.42)
0.012
50–64
1.25 (1.06–1.48)
0.009
65+
0.93 (0.8–1.09)
0.384
Education
Less than secondary
Reference category
Reference category
Secondary graduation
0.68 (0.63–0.74)
<0.001
0.99 (0.89–1.09)
0.803
Some postsecondary
0.62 (0.56–0.69)
<0.001
0.93 (0.82–1.06)
0.267
Postsecondary graduation
0.66 (0.62–0.71)
<0.001
1.01 (0.93–1.09)
0.819
MIZ
Urban/metropolitan
Reference category
Reference category
Rural strongly influenced
1.02 (0.91–1.15)
0.749
0.95 (0.83–1.08)
0.446
Rural moderately influenced
1.26 (1.17–1.36)
<0.001
1.08 (0.98–1.19)
0.102
Rural weak/uninfluenced + territories
1.28 (1.19–1.38)
<0.001
1.09 (1–1.18)
0.046
Ethnicity
Caucasian
Reference category
Reference category
Aboriginal
1.46 (1.3–1.65)
<0.001
1.23 (1.06–1.43)
0.007
Other
0.64 (0.58–0.71)
<0.001
0.84 (0.76–0.94)
0.002
Marital status
Single
Reference category
Reference category
Married + common law
1.57 (1.47–1.67)
<0.001
1.15 (1.06–1.25)
0.001
Widowed + separated + divorced
2.27 (2.09–2.46)
<0.001
1.17 (1.05–1.31)
0.004
Smoking status
Never smoked
Reference category
Reference category
Former smoker
1.44 (1.36–1.53)
<0.001
1.15 (1.07–1.23)
<0.001
Current smoker
1.7 (1.58–1.81)
<0.001
1.39 (1.29–1.51)
<0.001
BMI
Underweight/normal
Reference category
Reference category
Overweight
1.38 (1.31–1.47)
<0.001
1.11 (1.04–1.19)
0.001
Obese
1.72 (1.61–1.83)
<0.001
1.02 (0.95–1.1)
0.576
Number of comorbidities
None
Reference category
Reference category
1-2
2.62 (2.47–2.78)
<0.001
1.78 (1.67–1.91)
<0.001
3+
6.67 (6.21–7.16)
<0.001
2.68 (2.42–2.97)
<0.001
Physical activity-transportation + leisure
Active
Reference category
Reference category
Moderately active
1.11 (1.03–1.2)
0.008
0.94 (0.87–1.03)
0.19
Inactive
1.48 (1.39–1.58)
<0.001
0.98 (0.92–1.06)
0.677
Perceived disability
No pain or discomfort
Reference category
Reference category
Pain prevents no activities
4.12 (3.74–4.54)
<0.001
3.21 (2.89–3.56)
<0.001
Pain prevents a few activities
6.4 (5.87–6.98)
<0.001
4.67 (4.22–5.17)
<0.001
Pain prevents some activities
9.03 (8.12–10.03)
<0.001
5.84 (5.19–6.56)
<0.001
Pain prevents most activities
11.32 (10.12–12.65)
<0.001
6.35 (5.56–7.25)
<0.001
Self-rated stress
Not at all/not very
Reference category
Reference category
A bit
1.25 (1.17–1.33)
<0.001
1.18 (1.1–1.27)
<0.001
Quite a bit/extremely
1.83 (1.71–1.95)
<0.001
1.33 (1.23–1.45)
<0.001
Self-rated mental health
Excellent/very good
Reference category
Reference category
Good
1.74 (1.64–1.85)
<0.001
1.22 (1.14–1.32)
<0.001
Fair/poor
3.08 (2.82–3.37)
<0.001
1.29 (1.14–1.45)
<0.001
MIZ: metropolitan influenced zone; BMI: Body Mass Index; BP: blood pressure.