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. 2022 Feb 4;19(3):1767.
doi: 10.3390/ijerph19031767.

Reliability Study of the Items of the Alberta Infant Motor Scale (AIMS) Using Kappa Analysis

Jooyeon Ko  1 , Hyun Kyoon Lim  2
Affiliations

Reliability Study of the Items of the Alberta Infant Motor Scale (AIMS) Using Kappa Analysis

Jooyeon Ko et al. Int J Environ Res Public Health. .

Abstract

Purpose: We evaluated the interrater and intrarater reliabilities of the Korean version of the Alberta Infant Motor Scale (K-AIMS).

Methods: For the interrater reliability test, six raters participated in the K-AIMS evaluation using video clips of 70 infants (aged between 0 and 18 months). One rater participated in an intrarater reliability test. Among 70 infants, 46 were born preterm and 24 were born full term. A total of 58 AIMS items were evaluated for supine, prone, sitting, and standing positions. A reliability analysis was conducted using ICC and Fleiss' kappa.

Results: The highest Fleiss' kappa was found for the 4-7 months group for sitting (K = 0.701-1.000) and standing (K = 0.721-1.000), while the lowest K was the 3 months or under group for standing (K = 0.153-1.000). We found higher Fleiss' kappa statistics when all infants were evaluated without grouping for the three positions (K = 0.727-1.000), except standing (K = 0.192-1.000), for the interrater analysis.

Conclusion: Our results demonstrate the good reliability for the Korean version of the AIMS for Korean infants (preterm and full term).

Keywords: Alberta Infant Motor Scale (AIMS); Fleiss’ kappa; delayed development; preterm infants; reliability test.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Bland–Altman plots of intrarater reliability of the AIMS (Alberta Infant Motor Scale) total scores for rater A. In summary, the average difference and SD for all infants recruited in this study were 0.43 and 2.09, with 4.53 and −3.68 for the upper and lower limits.
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