Total junior high school students

Male

Female

OR

95%CI

OR

95%CI

OR

95%CI

Only father smokes

0.60

^*

0.49

0.74

0.62

^*

0.48

0.81

0.55

^*

0.39

0.76

Only mother smokes

2.50

^*

1.81

3.46

2.72

^*

1.75

4.22

2.42

^*

1.49

3.92

Only older brother smokes

2.43

^*

1.43

4.12

2.41

^*

1.14

5.09

2.61

^*

1.23

5.56

Only older sister smokes

1.48

0.42

5.16

1.63

0.34

7.87

1.25

0.15

10.22

Only father smokes

0.76

^*

0.64

0.89

0.73

^*

0.60

0.90

0.79

0.60

1.05

Only mother smokes

2.66

^*

1.95

3.63

2.68

^*

1.79

4.03

2.68

^*

1.61

4.44

Only older brother smokes

1.99

^*

1.39

2.84

1.90

^*

1.20

3.01

2.12

^*

1.17

3.82

Only older sister smokes

2.79

^*

1.33

5.86

3.22

0.98

10.58

3.41

^*

1.27

9.16