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Table 1 Characteristics of Study Subjects (N = 654) by Smoking Status

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

Category

 

Increase, Initiate, or Maintain Smoking (n = 230)

Non-smoker (n = 424)

Mantel-Haenszel Chi-Square

  

No.

%

No.

%

Value

Probability

Gender

Male

204

(88.7%)

396

(93.4%)

5.67

0.02

 

Female

26

(11.3%)

28

(6.6%)

5.32

0.03

Race/ethnicity

Asian/Filipino

30

(13.0%)

86

(20.3%)

7.32

0.04

 

Black

132

(57.4%)

200

(47.2%)

6.50

0.02

 

Hispanic

22

(9.6%)

50

(11.8%)

3.32

0.09

 

White

41

(17.8%)

77

(18.2%)

2.89

0.10

 

Other

5

(2.2%)

11

(2.6%)

1.56

0.24

  

Mean

Standard Deviation

Mean

Standard Deviation

ANOVA

      

F value

Prob. > F

Age (years)

 

49.80

(5.48)

50.61

(5.94)

2.66

0.10

Alcohol

 

0.42

(0.76)

0.30

(0.62)

4.53

0.03

Unwind time

 

1.80

(0.82)

1.68

(0.80)

3.22

0.07

Job problems

 

1.69

(1.14)

1.81

(1.17)

1.57

0.21

Burnout

 

1.77

(1.52)

1.62

(1.39)

1.71

0.19

Years driving

 

18.12

(5.71)

18.47

(6.30)

0.69

0.40