Skip to main content

Table 2 Percentage of postintervention response categories by preintervention response (For 30-Day period 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

 

Preintervention

Postintervention

  

0 drinks

1-3 drinks

4-6 drinks

7-9 drinks

10-12 drinks

13+ drinks

Peak number in a day

0 drinks

68.1

11.9

6.8

4.2

3.6

5.4

 

(n = 2,963)

      
 

1-3 drinks

12.1

42.5

24.2

9.3

6.1

5.8

 

(n = 1,923)

      
 

4-6 drinks

5.6

13.0

38.9

21.3

11.8

9.4

 

(n = 1,443)

      
 

7-9 drinks

4.7

7.4

15.6

32.5

21.9

17.9

 

(n = 761)

      
 

10-12 drinks

4.9

6.6

11.0

13.6

27.2

36.7

 

(n = 589)

      
 

≥13 drinks

4.2

4.2

4.2

7.2

11.6

68.6

 

(n = 708)

      
  

0 drinks

1-3 drinks

4-6 drinks

7-9 drinks

10+ drinks

 

Usual number of drinks

0 drinks

66.0

15.7

9.6

4.2

4.5

 
 

(n = 2,918)

      
 

1-3 drinks

8.5

56.9

24.2

6.0

4.4

 
 

(n = 3,008)

      
 

4-6 drinks

6.6

17.9

48.1

17.7

9.7

 
 

(n = 1,438)

      
 

7-9 drinks

3.9

8.9

20.1

40.7

26.4

 
 

(n = 518)

      
 

≥10 drinks

5.9

8.9

9.3

15.5

60.4

 
 

(n = 505)

      
  

Never

≤1x week

≥2x week

   

Per week marijuana drug use

Never

88.8

7.4

3.8

   
 

(n = 7,121)

      
 

≤1x week

25.2

53.2

21.6

   
 

(n = 607)

      
 

≥2x week

12.7

13.2

74.1

   
 

(n = 598)

      
  1. Table notes:
  2. Diagonal percents are bolded and represent participants who provided the same response at preintervention and postintervention; those under the diagonal represent reported greater use at preintervention and those over the diagonal reported greater use postintervention. All reports were about the 30 days prior to intervention.