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Table 2 Logistic Regression Models for Smoking Increase, Initiation & Maintenance (N = 654)

From: Occupational correlates of smoking among urban transit operators: A prospective study

  

Model 1

Model 2

Model 3

n = 654

DF

B

p-value

OR

95% CI

B

p-value

OR

95% CI

B

p-value

OR

95% CI

(Intercept)

 

0.987

0.196

2.68

 

0.863

0.261

2.37

 

0.901

0.293

2.46

 

Male

1

-0.449

0.123

0.64

0.36, 1.13

-0.498

0.089

0.61

0.34, 1.08

-0.508

0.096

0.60

0.33, 1.09

Black

1

0.416

0.014

1.52

1.09, 2.11

0.413

0.015

1.51

1.08, 2.11

0.439

0.011

1.55

1.10, 2.18

Age (yr)

1

-0.028

0.056

0.97

0.94, 1.00

-0.026

0.073

0.97

0.95, 1.00

-0.029

0.086

0.97

0.94, 1.00

Alcohol

1

    

0.251

0.037

1.29

1.01, 1.63

0.235

0.054

1.26

1.00, 1.61

Burnout

1

        

0.114

0.116

1.12

0.97, 1.29

Job problems

1

        

0.263

0.004

1.30

1.09, 1.55

Unwind time

1

        

0.192

0.100

1.21

0.96, 1.52

Years driving

1

        

0.001

0.955

1.00

0.97, 1.03

  1. DF = Degrees of freedom
  2. OR = Odds Ratio
  3. CI = Confidence Interval