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Table 2 Lagged cross-correlations in ± 8 days

From: Maladaptive behaviors are linked with inefficient sleep in individuals with developmental disabilities

Lag number R value Significance
−8 −.72 .000
−7 −.72 .000
−6 −.72 .001
−5 −.72 .001
−4 −.71 .001
−3 −.71 .001
−2 −.70 .001
−1 −.70 .001
Concurrent −.70 .001
1 −.70 .001
2 −.71 .001
3 −.72 .001
4 −.72 .000
5 −.72 .000
6 −.72 .000
7 −.72 .001
8 −.71 .001
  1. Lagged cross correlations between log of sleep efficiency ratios and log of mean maladaptive behaviors for 8 days before and 8 days after the target evening of sleep. Negative correlations indicate that poor sleep is related to problem behaviors and that the relation between these variables is chronic and not acute