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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