Table 1

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

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)*


* p < 0.001

# p = 0.001

Janno et al. BMC Neurology 2008 8:10   doi:10.1186/1471-2377-8-10

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