Table 3 Interaction effect of education and each lifestyle behavior on obesity in men (N = 6937): Korea National Health and Nutrition Examination Survey, 2010–2012

Smoking status

.01

 Non-smoking

1.00

1.01

(0.80–1.28)

1.02

(0.81–1.30)

1.12

(1.01–1.24)

.03

 Smoking

0.66

(0.50–0.86)

0.79

(0.62–1.01)

0.93

(0.71–1.22)

1.05

(0.94–1.17)

.41

Risk from drinking alcohol

<.001

 No or low risk

1.00

0.93

(0.73–1.18)

1.08

(0.84–1.39)

1.00

(0.89–1.11)

.95

 Medium or higher risk

1.19

(0.90–1.56)

1.50

(1.18-1.90)

1.56

(1.21–2.01)

1.16

(1.05–1.29)

<.01

Physical exercise

.76

 Inactive

1.00

1.10

(0.89–1.35)

1.20

(0.95–1.51)

1.09

(0.98–1.20)

.11

 Active

1.04

(0.77–1.41)

1.08

(0.81–1.46)

1.14

(0.86–1.52)

1.07

(0.96-1.20)

.21

Sleep duration

.33

 Long

1.00

1.11

(0.89–1.38)

1.13

(0.88–1.46)

1.06

(0.96–1.18)

.24

 Short

1.08

(0.84–1.38)

1.14

(0.88–1.47)

1.34

(1.03–1.73)

1.11

(1.00–1.24)

.05

Energy intake

<.001

 Not under- reported

1.00

1.14

(0.91–1.44)

1.28

(1.02–1.62)

1.01

(0.91–1.12)

.89

 Under- reported

2.29

(1.74–3.02)

2.23

(1.71–2.92)

2.19

(1.65–2.91)

1.29

(1.16–1.44)

<.001

Stress

.41

 Not stressful

1.00

1.03

(0.84–1.26)

1.16

(0.93–1.45)

1.08

(0.97–1.19)

.17

 Stressful

0.96

(0.68–1.34)

1.26

(0.95–1.68)

1.22

(0.94–1.59)

1.12

(1.00–1.24)

.05