Skip to main content

Table 3 Group Means at Baseline, and 3-Month and 6-Month Follow-ups

From: African-American crack abusers and drug treatment initiation: barriers and effects of a pretreatment intervention

  

3-Month Follow-up

 

6-Month Follow-up

 

Variable

Baseline

I (N = 198) C (N = 200)

 

I (N = 196) C (N = 198)

 

% Entered Treatment Past 90 Days a

     

Intervention

 

7.6

 

10.0

 

Control

 

5.5

 

8.7

 

% Made appt./tried/entered Treatment a

     

Intervention

 

20.2*

 

24.2

 

Control

 

12.5

 

18.3

 
 

Mean (S.D.)

Mean (S.D.)

DF

Mean (S.D.)

DF

# Days Crack Use a,b

     

Intervention

15.1 (10.4)

8.5 (9.4)***

196

6.6 (8.9)***

193

Control

15.2 (10.5)

8.1 (9.3)***

199

6.3 (8.5)***

197

# Days Alcohol Use a,b

     

Intervention

17.3 (11.9)

12.8 (11.1)***

196

11.5 (10.6)***

195

Control

17.2 (11.8)

11.9 (10.7)***

197

12.0 (10.5)***

197

# Days Drank 5+ Drinks c,d

     

Intervention

10.3 (11.5)

6.0 (9.0)***

197

5.7 (9.1)***

195

Control

10.1 (11.7)

6.3 (9.5)***

197

5.9 (8.4)***

197

# Drinks/Day c,d

     

Intervention

9.3 (11.4)

4.6 (7.6)***

196

5.2 (9.4)***

194

Control

6.7 (7.4)

4.3 (4.1)***

196

4.6 (4.8)**

196

  1. *p < .05, **p < .01, ***p < .001
  2. aComparisons are between groups
  3. bP-values are calculated using Pearson chi-square test
  4. cComparisons are from baseline to 3-month follow-up and from baseline to 6-month follow-up
  5. dP-values are calculated using paired t-tests'.
  6. DF = Degrees of freedom