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Table 1 Variability of BD symptoms and stressors between BD and HC groups over the 14-day period

From: Use of ecological momentary assessment to detect variability in mood, sleep and stress in bipolar disorder

 ICCEstimates of group effect on within-person variability (α1)p-value for group effect on within-person variabilityaEstimates of between-group difference the mean level of symptoms or stressors (γ01)p-value for between-group difference in the mean level of symptoms or stressorsb
Mood
 BD0.550.86< 0.0001− 18.420.015
 HC0.72    
Energy
 BD0.491.02< 0.0001− 20.990.006
 HC0.61    
Speed of thoughts
 BD0.401.73< 0.0001− 0.100.99
 HC0.67    
Impulsivity
 BD0.160.89< 0.000113.420.07
 HC0.68    
Pain
 BD0.801.64< 0.000138.750.001
 HC0.40    
Social stress
 BD0.200.030.850.610.06
 HC0.02    
Perception of skill
 BD0.230.65< 0.00010.840.05
 HC0.54    
Effort
 BD0.120.100.500.280.53
 HC0.23    
Preference of tasks
 BD0.130.060.680.480.17
 HC0.11    
Sleep (h)
 BD0.460.73< 0.0001− 0.670.27
 HC0.30    
  1. ICC intraclass correlation coefficient
  2. aThe p-values for group effect on within-person variability
  3. bThe p-values for between-group difference in the mean level of symptoms or stressors. Significant results are in italic