Table 2 Background difference among three identified clusters

Age

50.08

8.18

50.47

8.37

45.47

13.38

Education

14.74

2.49

14.97

1.71

14.13

1.96

Bidirectional Acculturation**

2.83

0.37

3.18

0.41

3.02

0.52

Smoking duration

18.32

8.66

19.25

9.03

16.13

8.72

Age at smoking onset

19.76

4.03

20.75

4.17

19.20

3.75

Cigarettes per day at baseline

16.58

5.44

16.88

4.82

17.60

7.91

Cigarettes per day at 12-M F/U*

4.88

6.47

8.22

7.40

9.36

6.10

Nicotine dependence at 1-M F/U**

0.10

0.52

0.14

0.35

1.00

2.05

Nicotine dependence at 3-M F/U

0.98

1.93

0.52

1.25

1.14

1.79

Nicotine dependence at 6-M F/U

1.36

2.26

1.68

2.21

2.15

1.86

Nicotine dependence at12-M F/U

1.40

2.07

2.35

2.35

2.50

2.31

Alcohol use at baseline

5.70

5.74

4.97

4.66

5.93

6.25

N

(%)

N

(%)

N

(%)

Female

8

8.25

5

5.15

3

3.09

Marital status (Married)*

42

43.30

27

27.84

8

8.25

Employment (Yes)

45

46.39

29

29.90

13

13.40

Alcohol use problems (Yes)

19

19.59

10

10.31

4

4.12