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Table 1 Intra- and Inter-rater reliability of SATCo

From: Segmental Assessment of Trunk Control in infants from 4 to 9 months of age- a psychometric study

  ICC 95% CI
Intra-rater reliability (n = 17)
 Examiner 1 (first author, TWP)   
  Static control 0.987 0.964, 0.995
  Active control 0.982 0.949, 0.993
  Reactive control 0.985 0.985, 0.994
 Examiner 2 (second author, PBB)   
  Static control 0.976 0.935, 0.991
  Active control 0.978 0.938, 0.992
  Reactive control 0.964 0.900, 0.987
Inter-rater reliability (2 examiners on 1 occasion)
 4 months (n = 20) 0.895 0.736, 0.959
 5 months (n = 20) 0.761 0.397, 0.905
 6 months (n = 20) 0.641 0.094, 0.858
 7 months (n = 20) 0.967 0.917, 0.987
 8 months (n = 20) 0.812 0.524, 0.925
 9 months (n = 18) 0.873 0.660, 0.952
  1. All ICC significant at p ≤ 0.015 at two-way mixed effects model on average measures with absolute consistency definition
  2. n number of infants at each month