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Table 3 Descriptive statistics and correlations of childhood study variables with young adult BPD features

From: Developmental predictors of young adult borderline personality disorder: a prospective, longitudinal study of females with and without childhood ADHD

Variables of interest

Mean

SD

n

2

3

4

5

6

7

8

9

10

11

12

1 Young Adult BPD Features

4.18

3.74

143

0.43b

0.29b

0.25b

0.36b

0.24b

0.38b

0.32b

0.35b

0.16

0.16

0.47b

2 Impulsivity (W1 SNAP-HI Mom/Teach Report)

9.30

7.69

143

-

0.73b

0.45b

0.78b

0.44b

0.7b

0.56b

0.66b

0.15

0.30b

0.23b

3 Inattention (W1 SNAP-IA Mom/Teach Report)

13.09

8.61

143

 

-

0.23b

0.66b

0.55b

0.49b

0.52b

0.47b

0.09

0.7b

0.14

4 Low Executive Functioning (W1 RCFT)

0.30

0.19

142

  

-

0.39b

0.21a

0.37b

0.24b

0.36b

-0.01

0.09

0.08

5 Externalizing (W1 CBCL Mom Report)

57.9

13.63

143

   

-

0.69b

0.68b

0.50b

0.61b

0.16

0.46b

0.22b

6 Internalizing (W1 CBCL Mom Report)

55.61

13.1

143

    

-

0.38b

0.28b

0.35b

0.25b

0.43b

0.33b

7 Overt Aggression (W1 CSBS Mom/Teach Report)

6.37

3.23

138

     

-

0.61b

0.73b

0.19a

0.27b

0.18a

8 Relational Aggression (W1 CSBS Mom/Teach Report)

14.13

4.87

134

      

-

0.45b

-0.05

0.29b

0.17

9 Negative Nominations (W1 Peer Report)

0.36

0.47

143

       

-

0.08

0.22b

0.15

10 Maternal Psychopathology (W1 BDI)

5.21

5.01

138

        

-

0.19b

0.22b

11 Maternal Parenting Stress due to Dysfunctional Interactions (W1 PSI-PCDI)

1.99

0.73

142

         

-

0.04

12 Cumulative History of Childhood Adversity (W4 ACEs)

1.22

0.42

144

          

-

  1. BPD: Borderline Personality Disorder, W1: Wave 1, SNAP: Swanson, Nolan and Pelham Questionnaire, HI: Hyperactivity/Impulsivity, IA: Inattention, RCFT: Rey Osterrieth Complex Figure Task, CBCL: Child Behavior Checklist, CSBS: Children’s Social Behavior Scale, BDI: Beck Depression Inventory, PSI: Parenting Stress Index, PCDI: Parent–Child Dysfunctional Interactions, ACEs: Adverse Childhood Experiences Scale, W1: Wave 1, W4: Wave 4
  2. a Correlation significant at 0.05 level
  3. b Correlation significant at 0.01 level