Table 2 Results of factors associated between having a meal together with family and smoking

Having a meal together with family

 Yes

1.00

1.00

 No

1.27

(1.05

-

1.54)

1.90

(1.33

-

2.71)

Age

 19–29

2.04

(1.37

-

3.02)

25.02

(11.62

-

53.88)

 30–39

3.26

(2.33

-

4.56)

17.86

(8.74

-

36.49)

 40–49

2.88

(2.14

-

3.88)

8.33

(4.16

-

16.67)

 50–59

2.07

(1.56

-

2.73)

1.77

(0.93

-

3.39)

 60-

1.00

1.00

Marital status

 Married

1.00

1.00

 Divorced, Separated

1.08

(0.80

-

1.47)

0.63

(0.37

-

1.06)

 Single, widow

2.72

(1.65

-

4.50)

1.64

(0.87

-

3.12)

Household income

 Low

1.11

(0.79

-

1.54)

1.18

(0.64

-

2.17)

 Mid-low

1.18

(0.95

-

1.48)

1.42

(0.97

-

2.07)

 Mid-high

1.22

(1.01

-

1.48)

1.46

(1.01

-

2.11)

 High

1.00

1.00

Educational level

 Middle school or below

1.28

(0.95

-

1.70)

6.70

(3.68

-

12.22)

 High school

1.34

(1.10

-

1.64)

3.44

(2.34

-

5.06)

 University or beyond

1.00

1.00

Region

 Metropolitan

1.20

(0.95

-

1.51)

1.51

(0.98

-

2.31)

 Urban

1.01

(0.80

-

1.27)

1.44

(0.94

-

2.22)

 Rural

1.00

1.00

Occupational categories

 White

1.00

1.00

 Pink

1.38

(1.05

-

1.82)

0.93

(0.58

-

1.48)

 Blue

1.37

(1.09

-

1.72)

1.01

(0.58

-

1.77)

 Inoccupation

1.17

(0.91

-

1.50)

0.93

(0.62

-

1.38)

Physical activity

 Adequate

1.00

1.00

 Inadequate

1.25

(1.07

-

1.45)

1.28

(0.94

-

1.73)

Current drinking status

 Never or occasionally

1.00

1.00

 2 ~ 4 times / month

1.91

(1.51

-

2.42)

1.70

(1.14

-

2.53)

 2 ~ 4 times / week

3.13

(2.43

-

4.03)

4.67

(3.06

-

7.13)

BMI

 Normal and underweight

1.00

1.00

 Overweight

0.90

(0.73

-

1.12)

0.92

(0.58

-

1.44)

 Obese

0.88

(0.74

-

1.04)

1.34

(0.93

-

1.94)

Number of chronic diseases

 0

1.00

1.00

 1

1.16

(0.97

-

1.38)

0.93

(0.63

-

1.39)

  ≥ 2

1.10

(0.86

-

1.39)

0.99

(0.57

-

1.74)

Household generation composition

 1st generation

1.00

1.00

 2nd generation

1.02

(0.71

-

1.47)

0.75

(0.44

-

1.30)

 3rd generation or more

1.06

(0.62

-

1.81)

1.55

(0.71

-

3.35)

Number of household members

 2

1.00

1.00

 3

0.88

(0.63

-

1.22)

0.89

(0.53

-

1.48)

 4

0.89

(0.62

-

1.27)

0.44

(0.24

-

0.79)

  ≥ 5

0.98

(0.63

-

1.51)

0.43

(0.23

-

0.83)

Frequency of eating out

 Everyday

1.00

1.00

 1 times more / week

0.94

(0.80

-

1.12)

0.94

(0.62

-

1.41)

 1 times more / month

0.99

(0.76

-

1.28)

0.97

(0.55

-

1.70)

 Never or less than once a month

1.03

(0.70

-

1.51)

1.57

(0.77

-

3.20)

Year

 2019

1.00

1.00

 2020

0.95

(0.79

-

1.13)

0.97

(0.67

-

1.40)

 2021

0.97

(0.82

-

1.16)

1.08

(0.74

-

1.57)