Table 2 Characteristics of the three latent classes (unweighted column %)^a

 Mean (SE)

27.6 (0.6)

37.0 (1.0)

39.9 (0.5)

37.8 (0.4)

<0.0001

 18–24

40.1

18.2

14.6

18.6

<0.0001

 25–34

43.8

32.3

27.0

30.1

 35–45

13.6

21.8

18.7

18.4

 46+

2.5

27.6

39.8

32.9

Gender

<0.0001

 Female

40.1

29.4

49.4

45.2

 Male

59.9

70.6

50.6

54.8

Race

<0.0001

 White

38.3

7.6

35.5

31.9

 Black

61.7

92.3

64.5

68.1

Education

<0.0001

 Less than high school

3.7

10.0

8.1

7.7

 High school diploma

10.5

32.3

22.6

22.4

 GED

5.6

11.2

7.7

7.9

 Some college

55.6

32.3

39.3

40.6

 College diploma or greater

24.7

14.1

22.3

21.4

Menthol use

<0.0001

 Yes

59.3

88.2

62.1

65.5

Heavy Smoking (≥10 cigs per day)

0.002

 Yes

66.7

78.8

80.6

78.4

Alcohol

 Binge drinking

57.4

51.2

52.4

52.9

0.449

 # days used in typical week - Mean (SE)

4.2 (0.1)

4.4 (0.2)

4.3 (0.1)

4.3 (0.1)

0.430

 # drinks per episode - Mean (SE)

5.4 (0.4)

6.4 (0.5)

5.5 (0.2)

5.6 (0.2)

0.089

Other drug use

<0.0001

 Use in past 90 days

39.6

35.7

18.8

24.1

Current tobacco use

 Cigars

64.8

19.4

3.2

14.0

<0.0001

 E-cigarettes

79.6

5.9

5.6

15.8

<0.0001

 Cigarillos

67.3

100.0

0.0

23.7

<0.0001

 Chew

16.1

6.5

1.0

3.8

<0.0001

 Hookah

88.3

12.4

3.2

16.2

<0.0001

 Other tobacco

9.9

1.8

0.5

2.0

<0.0001

 Mean (SE)

3.0 (0.1)

1.7 (0.1)

0.6 (0.0)

1.1 (0.0)

<0.0001

Desire to quit in next 6 months

0.017

 No

12.3

4.3

6.5

7.0

 Yes

87.7

95.7

93.4

93.0

Mental health

0.081

 Prescribed medication for mental health problem

11.1

6.5

12.5

11.5