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Table 2 Regression statistics, standardized betas and t-tests by predictor and dependent variables

From: Predicting alcohol consumption during the month before and after beginning college

 

August

September

Increase

 

DD

Vol.

DDD

DD

Vol.

DDD

DD

Vol.

DDD

F-value

50.58

17.68

31.81

13.28

16.49

20.40

6.43

9.00

8.28

dfn/dfd

1/141

3/139

2/140

3/139

4/138

3/139

2/140

2/140

1/141

p-value

.001

.001

.001

.001

.001

.001

.002

.001

.005

Adj. R2

.26

.26

.30

.21

.30

.29

.07

.10

.05

Standardized Betas:

         

residency

 

-.17*

     

.16†

 

HS Rank

   

-.18*

-.14†

 

-.15†

  

Roommates

    

.21**

.19**

   

sex

  

-.38***

 

-.23**

-.44***

   

offense

 

.14†

 

.15*

     

1stIntox

-.51***

-.53***

-.45***

-.37***

-.42***

-.28***

.28**

.35***

.24**

t-values

residency

 

2.29

     

1.87

 

HS Rank

   

2.28

1.92

 

1.82

  

Roommates

    

2.91

2.70

   

sex

  

5.37

 

3.20

6.20

   

offense

 

1.88

 

2.00

     

1stIntox

7.11

7.04

6.41

4.86

5.85

3.97

3.42

4.18

2.89

  1. *** denotes p < .001; ** denotes p < .01, * denotes p < .05, † denotes p < .10
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Substance Abuse Treatment, Prevention, and Policy

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