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Table 2 Grand mean correlations among the 3 actigraphic (WA) variables

From: Latent class analysis of actigraphy within the depression early warning (DEW) longitudinal clinical youth cohort

Correlation

Acceleration

Sleep duration

Sleep efficiency

Acceleration

-

  

Sleep duration

−0.15

-

 

Sleep efficiency

0.31*

0.62**

-

  1. Each observation of the data set was the averaged means of each participant for all arms (between 1 and 8) within the study
  2. The Cramer V coefficient between acceleration and sleep efficiency was 0.27 (p = 0.04), and 0.21 (p = 0.17) between acceleration and sleep duration
  3. *p < 0.05 **p < 0.001
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Child and Adolescent Psychiatry and Mental Health

ISSN: 1753-2000