Table 3 Differences in means of traditional quantifiers of the actigraphy time series for the non-depressed (\(n=25\)) and depressed (\(n=21\)) groups.

From: Uncovering complexity details in actigraphy patterns to differentiate the depressed from the non-depressed

Quantifier

\(Mean_N \pm SD\)

\(Mean_D \pm SD\)

t-statistic

p-value

Cohen’s d

Average activity

262.388±77.570

228.040±84.319

− 1.427

0.161

0.435

IS

0.368±0.325

0.424±0.367

0.542

0.591

− 0.166

IV

1.414±0.65

1.256±0.55

− 0.891

0.378

0.265

RA

0.905±0.075

0.896±0.073

0.393

0.696

− 0.117

  1. IS: Interdaily stability; IV: Intradaily variability; RA: Relative Amplitude; \(Mean_N\): Mean of the non-depressed group; \(Mean_D\): Mean of the depressed group; SD:standard deviation.
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