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Table 1 Inter-rater reliability coefficients for actometry variables in 99 in-patients with schizophrenia: kappa for categorical and ICC coefficients for continuous measures.

From: Neuroleptic-induced movement disorders in a naturalistic schizophrenia population: diagnostic value of actometric movement patterns

 

kappa

presence of activity periods

0.905*

presence of rhythmical activity

0.786*

 

ICC (95% CI)

amount of activity periods

0.967 (0.951–0.978)*

dominant frequency

0.739 (0.624–0.822)*

second prevalent frequency

0.787 (0.672–0.864)*

third prevalent frequency

0.789 (0.672–0.867)*

minimal frequency

0.351 (0.149–0.525)#

maximal frequency

0.831 (0.750–0.887)*

highest value of acceleration peaks

0.841 (0.768–0.893)*

  1. * p < 0.001
  2. # p = 0.001