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Table 3 Hierarchical Multiple Regression Analyses with the UPPS Subscales and Delay Discounting predicting the Degree of Substance Use and Substance-Related Problems

From: Disentangling substance use and related problems: urgency predicts substance-related problems beyond the degree of use

Predictors

Degree of substance use

Substance-related problems

ΔR2

F

B

SE

β

ΔR2

F

B

SE

β

Step 1

.087**

24.45

   

.017*

4.432

4

  

Male gender

  

11.57

2.34

.30**

  

0.75

0.35

.13*

Step 2

     

.305**

114.22

   

Male gender

       

−0.23

0.31

−.04

Degree of substance use

       

0.08

0.01

.58**

Step 3 - UPPS

.144**

11.70

   

.068**

6.99

   

Male gender

  

7.38

2.52

.19**

  

−0.06

0.33

−.01

Degree of substance use

       

0.07

0.01

.49**

Urgency

  

0.52

0.21

.16*

  

0.11

0.03

.23**

Premeditation

  

−0.09

0.28

−.02

  

−0.04

0.04

−.06

Perseverance

  

0.64

0.28

.15*

  

0.06

0.04

.10

Sensation seeking

  

0.83

0.18

.31**

  

0.03

0.02

.07

Step 4 - MCQ

.022**

7.26

   

.001

0.30

   

Male gender

  

6.40

2.51

.16*

  

−0.08

0.34

−.01

Degree of substance use

       

0.07

0.01

.48**

Urgency

  

0.43

0.21

.13*

  

0.11

0.03

.22**

Premeditation

  

−0.08

0.27

−.02

  

−0.04

0.04

−.06

Perseverance

  

0.67

0.27

.15*

  

0.07

0.04

.10

Sensation seeking

  

0.86

0.17

.32**

  

0.03

0.02

.08

Log(k)

  

3.88

1.44

.15**

  

0.10

0.19

.03

Total R2

.253**

14.08

   

.391**

22.83

   
  1. Note. ΔR2 = change in proportion of explained variance; B = unstandardized estimate; SE = standard error of B, β = standardized estimate. * p < .05. ** p < .01
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BMC Psychiatry

ISSN: 1471-244X

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