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Table 3 Logistic regression analyses predicting effects on lifestyle variables

From: Associations between night work and BMI, alcohol, smoking, caffeine and exercise - a cross-sectional study

Independent Variable

Obesity (BMI > 30)

AUDIT-C (Score ≥3 female ≥4 males)

Smoking (yes/no)

Caffeine Consumption (Score ≥ 3)

Exercise Habits (≥1 hour per week)

Crude(n = 1730-2038)

Adjusted (n = 1622)

Crude (n = 1711-2011)

Adjusted (n = 1612)

Crude (n = 1658-1956)

Adjusted (n = 1557)

Crude (n = 1741-2050)

Adjusted (n = 1631)

Crude (n = 1678-1971)

Adjusted (n = 1575)

OR

95 % CI

OR

95 % CI

OR

95 % CI

OR

95 % CI

OR

95 % CI

OR

95 % CI

OR

95 % CI

OR

95 % CI

OR

95 % CI

OR

95 % CI

Age

1.02* n = 2036

1.00-1.04

1.02

0.99-1.04

0.95* n = 2010

0.94-0.97

0.97*

0.95-0.98

0.97* n = 1955

0.95-0.99

0.96*

0.94-0.97

1.10* n = 2048

1.08-1.11

1.10*

1.09-1.14

1.00 n = 1969

0.99-1.01

1.01

0.99-1.02

Gender

Female

1.00 n = 1836

 

1.00

 

1.00 n = 1821

 

1.00

 

1.00 n = 1737

 

1.00

 

1.00 n = 1849

 

1.00

 

1.00 n = 1774

 

1.00

 

Male

1.83* n = 192

1.18-2.82

1.45

0.88-2.47

0.82 n = 190

0.60-1.13

0.78

0.53-1.15

1.15 n = 210

0.69-1.91

1.05

0.59-1.85

3.25* n = 191

2.30-4.58

3.17*

2.10-4.81

1.83* n = 187

1.34-2.50

1.65*

1.15-2.36

Average hours worked /week

1.00 n = 1996

0.98-1.02

0.99

0.97-1.02

1.03* n = 1971

1.02-1.05

1.03*

1.01-1.05

0.99 n = 1915

0.97-1.02

1.00

0.98-1.03

1.02* n = 2008

1.01-1.03

1.01

1.00-1.03

1.02* n = 1932

1.01-1.04

1.01

0.99-1.03

Schedule with night work

<5 years

1.00 n = 1141

 

1.00

 

1.00 n = 1130

 

1.00

 

1.00 n = 1097

 

1.00

 

1.00 n = 1150

 

1.00

 

1.00 n = 1115

 

1.00

 

>5 years

1.31 n = 589

0.94-1.82

1.07

0.74-1.54

0.59* n = 581

0.47-0.73

0.75*

0.59-0.95

0.92 n = 561

0.66-1.28

1.15

0.80-1.65

1.70* n = 591

1.39-2.08

0.95

0.75-1.21

1.03 n = 563

0.83-1.28

1.10

0.86-1.41

Children living at Home

No

1.00 n = 982

 

1.00

 

1.00 n = 971

 

1.00

 

1.00 n = 941

 

1.00

 

1.00 n = 989

 

1.00

 

1.00 n = 944

 

1.00

 

Yes

1.11 n = 966

0.82-1.51

1.08

0.75-1.54

0.48* n = 953

0.40-0.59

0.60*

0.47-0.76

1.05 n = 932

0.78-1.40

1.12

0.84-1.68

0.75* n = 969

0.63-0.90

0.83

0.65-1.00

0.61* n = 941

0.50-0.75

0.59*

0.47-0.75

NNL

1.01* n = 2038

1.00-1.01

1.01*

1.00-1.01

1.00 n = 2011

1.00-1.01

1.00

1.00-1.01

1.00 n = 1956

1.00-1.01

1.00

0.99-1.00

1.00* n = 2050

1.00-1.01

1.00*

1.00-1.01

1.00 n = 1971

1.00-1.01

1.00

1.00-1.00

  1. * Significant finding, p < .05. NNL number of night shifts worked last year
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BMC Public Health

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