Interrater Reliability of AM-PAC “6-Clicks” Basic Mobility and Daily Activity Short Forms | Zendy

Diane U. Jette | Zendy; Mary Stilphen | Zendy; Vinoth K. Ranganathan | Zendy; Sandra Passek | Zendy; Frederick Frost | Zendy; Alan M. Jette | Zendy

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Interrater Reliability of AM-PAC “6-Clicks” Basic Mobility and Daily Activity Short Forms

Author(s) -

Diane U. Jette,

Mary Stilphen,

Vinoth K. Ranganathan,

Sandra Passek,

Frederick Frost,

Alan M. Jette

Publication year - 2014

Publication title -

physical therapy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 150

eISSN - 1538-6724

pISSN - 0031-9023

DOI - 10.2522/ptj.20140174

Subject(s) - inter rater reliability , intraclass correlation , kappa , confidence interval , observational study , reliability (semiconductor) , physical therapy , medicine , psychology , activities of daily living , cohen's kappa , physical activity , physical medicine and rehabilitation , clinical psychology , psychometrics , rating scale , statistics , developmental psychology , linguistics , philosophy , power (physics) , physics , quantum mechanics , mathematics

Background The interrater reliability of 2 new inpatient functional short-form measures, Activity Measure for Post-Acute Care (AM-PAC) “6-Clicks” basic mobility and daily activity scores, has yet to be established. Objective The purpose of this study was to examine the interrater reliability of AM-PAC “6-Clicks” measures. Design A prospective observational study was conducted. Methods Four pairs of physical therapists rated basic mobility and 4 pairs of occupational therapists rated daily activity of patients in 1 of 4 hospital services. One therapist in a pair was the primary therapist directing the assessment while the other therapist observed. Each therapist was unaware of the other's AM-PAC “6-Clicks” scores. Reliability was assessed with intraclass correlation coefficients (ICCs), Bland-Altman plots, and weighted kappa. Results The ICCs for the overall reliability of basic mobility and daily activity were .849 (95% confidence interval [CI]=.784, .895) and .783 (95% CI=.696, .847), respectively. The ICCs for the reliability of each pair of raters ranged from .581 (95% CI=.260, .789) to .960 (95% CI=.897, .983) for basic mobility and .316 (95% CI=−.061, .611) to .907 (95% CI=.801, .958) for daily activity. The weighted kappa values for item agreement ranged from .492 (95% CI=.382, .601) to .712 (95% CI=.607, .816) for basic mobility and .251 (95% CI=.057, .445) to .751 (95% CI=.653, .848) for daily activity. Mean differences between raters' scores were near zero. Limitations Raters were from one health system. Each pair of raters assessed different patients in different services. Conclusions The ICCs for AM-PAC “6-Clicks” total scores were very high. Levels of agreement varied across pairs of raters, from large to nearly perfect for physical therapists and from moderate to nearly perfect for occupational therapists. Levels of agreement for individual item scores ranged from small to very large.

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