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

BMC Pediatrics

Table 1 Intra- and Inter-rater reliability of SATCo

	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

All ICC significant at p ≤ 0.015 at two-way mixed effects model on average measures with absolute consistency definition
n number of infants at each month

ISSN: 1471-2431