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Table 3 Logistic regression modeling for campaign exposure outcome (n = 5622)

From: Associations between measures of socio-economic status, beliefs about back pain, and exposure to a mass media campaign to improve back beliefs

 

Univariable associations

Multivariable associationsb

Variable

OR

95%-CI

p-value

Included in multivariable model

OR

95%-CI

p-value

Age

   

Yes

   

 18–24 (reference)

1

 

<0.001

 

1

 

<0.001

 25–34

0.61

0.46–0.82

0.001

 

0.62

0.45–0.85

0.003

 35–39

0.69

0.51–0.94

0.02

 

0.73

0.53–1.01

0.06

 40–44

0.84

0.63–1.12

0.24

 

0.92

0.67–1.26

0.60

 45–54

0.86

0.65–1.14

0.29

 

0.95

0.70–1.28

0.72

 55–64

1.00

0.76–1.32

1.00

 

1.04

0.77–1.39

0.82

 65+

0.98

0.74–1.30

0.89

 

0.96

0.71–1.30

0.80

Region

   

No

   

 Urban (reference)

1

      

 Rural

1.12

0.99–1.24

0.07

    

Language

   

Noa

   

 English/French (reference)

1

      

 Other

1.41

1.06–1.87

0.02

    

N people in household

0.99

0.94–1.04

0.55

No

   

Educational level

   

Yes

   

 High School Diploma or Lower (reference)

1

 

0.06

 

1

 

0.05

 College or Technical Training

1.04

0.91–1.18

0.61

 

1.08

0.94–1.25

0.28

 University Education

1.17

1.02–1.34

0.03

 

1.22

1.04–1.43

0.02

Employment

   

Noc

   

 Employed full-time or part-time (reference)

1

      

 Other (Homemaker/Retired/Unemployed/Student)

1.18

1.01–1.37

0.04

    

Occupation

   

Yes

   

 Manual workers (reference)

1

 

0.003

 

1

 

0.26

 Office workers

0.93

0.74–1.17

0.53

 

0.91

0.72–1.15

0.43

 Sales & Services workers

1.05

0.80–1.36

0.74

 

1.03

0.79–1.35

0.83

 Professional, Science & Technology workers

1.14

0.91–1.43

0.27

 

1.07

0.84–1.38

0.57

 Other (Homemaker/Student/Retired/Unemployed)

1.24

1.01–1.52

0.04

 

1.10

0.89–1.38

0.38

Marital status

   

No

   

 Single (reference)

1

 

0.44

    

 Married/Common law union

0.97

0.84–1.13

0.70

    

 Other (Divorced/Separated/Widowed)

1.07

0.89–1.29

0.49

    

Income category

   

No

   

 $19.999 or less (reference)

1

 

0.76

    

 $20.000–$39.999

1.00

0.74–1.36

0.98

    

 $40.000–$59.999

1.06

0.79–1.42

0.71

    

 $60.000–$79.999

1.11

0.82–1.50

0.50

    

 $80.000–$99.999

0.96

0.71–1.31

0.80

    

 $100.000 or more

0.98

0.74–1.30

0.88

    
  1. aNot sufficient cases to run in multivariable model; bHosmer-Lemeshow p = 0.404; cNot included in multivariable model due to high correlation with Occupation (Cramer’s V = 0.92); Bold indicates statistically significant at p > 0.05