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)	𝑃 value	OR (95% CI)	𝑃 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.