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Table 3 Association of PFL participant characteristics with changes in amount of substance use reported for the 30 days prior to intervention

From: Reports of past alcohol and drug use following participation in a motivation enhancing intervention: Implications for clinical assessment and program evaluation

  

Postintervention relative to preintervention

  
  

Less

Same

More

  

Participant characteristic

n

%

%

%

χ 2 (df)

p

Peak number of drinks in a day

Age

    

48.79 (8)

<.001

 <24

2,980

14.1

47.0

38.8

  

 25-34

2,332

12.7

52.0

35.3

  

 35-44

1,562

12.7

54.4

32.9

  

 45-54

1,082

14.5

54.3

31.2

  

 55+

427

16.9

55.5

27.6

  

Education

    

28.30 (8)

<.001

 <High school (n = 89)

89

12.4

59.6

28.1

  

 High School/GED

207

14.5

54.6

30.9

  

 Some college

653

18.8

50.2

30.9

  

 Tech school graduate

2,900

13.5

53.1

33.3

  

 College degree(s)

2,696

13.1

49.9

37.1

  

Race

    

12.34 (2)

.002

 White

7,280

13.3

50.8

35.9

  

 Non-white

1,007

16.0

53.2

30.8

  

Marital Status

    

20.96 (4)

<.001

 Never married

4,137

14.0

49.0

36.9

  

 Married/live together

2,290

12.3

52.9

34.8

  

 Divorced/separated/widowed

1,751

14.7

53.4

31.9

  

Number of dependence indicators

    

140.91 (4)

<.001

 0

2,410

14.8

59.3

26.0

  

 1-2

3,171

14.4

48.3

37.3

  

 3-6

2,793

11.9

47.3

40.8

  

Usual number of drinks

Gender

    

7.55 (2)

.023

 Male

6,227

12.2

57.3

30.5

  

 Female

1,948

10.0

59.6

30.4

  

Age

    

32.69 (8)

<.001

 <24

2,980

11.5

55.1

33.5

  

 25-34

2,332

11.7

57.7

30.6

  

 35-44

1,562

10.7

59.7

29.6

  

 45-54

1,082

12.9

61.2

25.9

  

 55+

427

13.6

61.4

25.1

  

Race

    

7.04 (2)

.030

 White

7,280

11.3

58.0

30.7

  

 Non-white

1,007

14.1

56.4

29.5

  

Marital Status

    

14.77 (4)

.005

 Never married

4,137

11.8

56.1

32.1

  

 Married/live together

2,290

10.8

60.2

29.0

  

 Divorced/separated/widowed

1,751

12.7

58.7

28.6

  

Number of dependence indicators

    

161.70 (4)

<.001

 0

2,410

12.5

65.9

21.6

  

 1-2

3,171

12.0

56.9

31.1

  

 3-6

2,793

10.6

51.6

37.7

  

Marijuana or other drug use

Age

    

81.63 (8)

<.001

 <24

2,965

4.5

80.9

14.6

  

 25-34

2,311

3.4

86.0

10.6

  

 35-44

1,547

3.1

88.3

8.6

  

 45-54

1,080

3.8

87.9

8.3

  

 55+

419

1.9

92.1

6.0

  

Education

    

29.61 (8)

<.001

 <High school

83

3.6

85.5

10.8

  

 High School/GED

203

2.0

86.2

11.8

  

 Some college

647

6.6

78.1

15.3

  

 Tech school graduate

2,877

3.2

84.7

12.2

  

 College degree(s)

2,687

4.4

84.3

11.3

  

Marital Status

    

45.68 (4)

<.001

 Never married

4,109

4.3

82.8

12.9

  

 Married/live together

2,278

2.6

87.8

9.6

  

 Divorced/separated/widowed

1,733

3.5

88.1

8.4

  

Number of dependence indicators

    

70.61 (4)

<.001

 0

2,397

3.7

88.2

8.1

  

 1-2

3,148

3.6

86.4

10.0

  

 3-6

2,768

3.8

81.1

15.1

  
  1. We did not include nonsignificant associations for gender with peak number of drinks and marijuana/other drug use (χ2 = 2.46, df = 2, p = .293 and χ2 = 2.99, df = 2, p = .225; respectively), education on usual number of drinks (χ2 = 7.71, df = 8, p = .463), or race on marijuana/other drug use (χ2 = 4.81, df = 2, p = .09).
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Substance Abuse Treatment, Prevention, and Policy

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