Table 4: Linear regression model of factors associated with BMI in all survey participants, stratified according to gender.

 

 

 

All

 

 

Male

 

 

 

Female

 

n = 501

n = 105

n = 396

 

Coefficient

95% CI

p

Coefficient

95% CI

p

Coefficient

95% CI

p

Night shift

1.30

0.39-2.22

0.005

0.55

-1.24-2.36

0.542

1.56

0.53-2.58

0.003

Sleep debt (hours)

0.16

-0.07-0.39

0.177

0.49

-0.03-1.02

0. 066

0.09

-0.16-0.35

0.480

Age (years)

0.12

0.09-1.15

0.001

0.14

0.08-0.20

0.001

0.13

0.09-0.16

0.001

Active smoker

-0.37

-1.21-0.46

0.38

-0.78

-2.33-0.75

0.31

-0.18

-1.13-0.77

0.710

ESS

-0.24

-1.17-1.65

0.739

-0.85

-3.37-1.66

0.502

-0.11

-1.74-1.51

0.890

 

Abbreviations: ESS: Epworth Sleepiness Scale