Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Intra-Rater Test-Retest Reliability of Self-Reported Child Functioning Module

Version 1 : Received: 8 August 2020 / Approved: 25 August 2020 / Online: 25 August 2020 (11:48:46 CEST)

A peer-reviewed article of this Preprint also exists.

Ng, K.; Asunta, P.; Leppä, N.; Rintala, P. Intra-Rater Test-Retest Reliability of a Modified Child Functioning Module, Self-Report Version. Int. J. Environ. Res. Public Health 2020, 17, 6958. Ng, K.; Asunta, P.; Leppä, N.; Rintala, P. Intra-Rater Test-Retest Reliability of a Modified Child Functioning Module, Self-Report Version. Int. J. Environ. Res. Public Health 2020, 17, 6958.

Journal reference: Int. J. Environ. Res. Public Health 2020, 17, 6958
DOI: 10.3390/ijerph17196958

Abstract

Determining disability prevalence is an important area for population statistics, especially among young adolescents. The Washington Group on Disability Statistics is one source of reporting disabilities through functional difficulties. However, young adolescents self-reporting this measure is in its infancy. The purpose of this study was to carry out an intra-rater test-retest reliability study on a modified set of items for self-reporting functional difficulties. Young adolescents (n=74; boys=64%; age m=13.7, SD=1.8) completed a self-reported version of the child functioning module in a supervised classroom. The second administration took place two weeks later. Intraclass correlation coefficient (ICC) and Kappa (k) statistics were used to test reliability of the items, and interpretation through Landis & Koch, and Cohen, respectively. The majority of items had substantial or moderate agreement, although there was only fair agreement for self-care (ICC=0.59), concentration (ICC=0.50), and routine (ICC=0.54). Kappa statistics of behaviour were interpreted to be large (k=0.65), and seeing (k=0.49), walking (k=0.49), and speaking (k=0.49) difficulties were moderate. The majority of the items in the self-reported version of the child functioning module can be used in a scale format, although some caution may be required on items of self-care and concentration when used as a dichotomous variable.

Subject Areas

disability statistics; kappa; intraclass correlation coefficient; young adolescents; functional difficulties; special education; survey; health behaviour

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