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Table 5 Bivariate correlations among the measures included in the regression analyses

From: Sleep characteristics and problems of 2-year-olds with Williams syndrome: relations with language and behavior

 

2

3

4

5

6

7

8

1. CDI-EV SS

.88**

.65**

.63**

− .31*

.01

.17

− .09

2. MSEL Expressive Language T

 

.68**

.63**

− .28*

− .05

.17

− .10

3. MSEL Receptive Language T

  

.68**

− .32*

− .05

.16

− .15

4. MSEL Visual Reception T

   

− .36**

− .13

− .08

− .19

5. CBCL Internalizing Problems T

    

.45**

− .22

.17

6. CBCL Externalizing Problems T

     

− .02

.50**

7. Nighttime sleep duration

      

− .01

8. Sleepiness score

       
  1. N = 96 for all correlations except those including Sleepiness score, for which N = 70
  2. CDI-EV SS MacArthur-Bates Communicative Development Inventory: Words and Sentences expressive vocabulary standard score, MSEL Mullen Scales of Early Learning, CBCL Child Behavior Checklist
  3. *p < .01, **p < .001
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Journal of Neurodevelopmental Disorders

ISSN: 1866-1955

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