+ Site Statistics
+ Search Articles
+ PDF Full Text Service
How our service works
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ Translate
+ Recently Requested

Psychometric properties of four fear of falling rating scales in people with Parkinson's disease

Psychometric properties of four fear of falling rating scales in people with Parkinson's disease

Bmc Geriatrics 14: 66

Fear of falling (FOF) is commonly experienced in people with Parkinson's disease (PD). It is a predictor of recurrent falls, a barrier to physical exercise, and negatively associated with health-related quality of life. A variety of rating scales exist that assess different aspects of FOF but comprehensive head-to-head comparisons of their psychometric properties in people with PD are lacking. The aim of this study was to evaluate the psychometric properties of four FOF rating scales in people with PD. More specifically, we investigated and compared the scales' data completeness, scaling assumptions, targeting, and reliability. The FOF rating scales were: the Falls Efficacy Scale-International (FES-I), the Swedish FES (FES(S)), the Activities-specific Balance Confidence scale (ABC), and the modified Survey of Activities and Fear of Falling in the Elderly (mSAFFE). A postal survey was administered to 174 persons with PD. Responders received a second survey after two weeks. The mean (SD) age and PD duration of the 102 responders were 73 (8) and 7 (6) years, respectively. ABC had worse data completeness than the other scales (6.9 vs. 0.9-1.3% missing data). All scales had corrected item-total correlations exceeding 0.4 and showed acceptable reliabilities (Cronbach's alpha and Intraclass Correlation Coefficient (ICC) >0.80) but only FES-I had ICC >0.90. The standard error of measurements ranged from 7% (FES-I) to 12% (FES(S)), and the smallest detectable differences ranged from 20% (FES-I) to 33% (FES(S)) of the total score ranges. ABC and FES(S) had substantially more outliers than mSAFFE and FES-I (10 and 15 vs. 3 and 4, respectively) when the two test occasions were compared. When assessing FOF in people with PD, the findings in the present study favoured the choice of FES-I or mSAFFE. However, FES-I was the only scale with ICC >0.90 which has been suggested as a minimum when using a scale for individual comparisons.

Please choose payment method:

(PDF emailed within 0-6 h: $19.90)

Accession: 055273770

Download citation: RISBibTeXText

PMID: 24884466

DOI: 10.1186/1471-2318-14-66

Related references

Behaviorally Anchored Rating Scales vs. Summated Rating Scales: Psychometric Properties and Susceptibility to Rating Bias. Educational and Psychological Measurement 45(3): 535-549, 1985

A new measure of fear of falling: psychometric properties of the fear of falling questionnaire revised (FFQ-R). International Psychogeriatrics 27(7): 1121-1133, 2015

Factors associated with fear of falling in people with Parkinson's disease. Bmc Neurology 14: 19, 2014

Metric properties of the mini-mental Parkinson and SCOPA-COG scales for rating cognitive deterioration in Parkinson's disease. Movement Disorders 25(15): 2555-2562, 2010

Gait difficulty, postural instability, and muscle weakness are associated with fear of falling in people with Parkinson's disease. Parkinson's Disease 2012: 901721, 2012

Walking ability is a major contributor to fear of falling in people with Parkinson's disease: implications for rehabilitation. Parkinson's Disease 2012: 713236, 2012

Fear of falling and falls in people with Parkinson's disease treated with deep brain stimulation in the subthalamic nuclei. Acta Neurologica Scandinavica 123(6): 424-429, 2011

Content Analysis of Four Fear of Falling Rating Scales by Linking to the International Classification of Functioning, Disability and Health. PM&R 5(7): S1934148213000099-5820, 2013

Content analysis of 4 fear of falling rating scales by linking to the international classification of functioning, disability and health. Pm and R 5(7): 573-582.E1, 2013

Interpretation of response categories in patient-reported rating scales: a controlled study among people with Parkinson's disease. Health and Quality of Life Outcomes 8: 61, 2010

Psychometric properties of the Unified Parkinson's Disease Rating Scale and of the Short Parkinson's Evaluation Scale. Neurological Sciences 24(3): 190-191, 2003

Longitudinal metric properties of disability rating scales for Parkinson's disease. Value in Health 9(6): 386-393, 2006

Fall-related activity avoidance in relation to a history of falls or near falls, fear of falling and disease severity in people with Parkinson's disease. Bmc Neurology 16: 84, 2016

Psychometric properties of apathy scales in Parkinson's disease: a systematic review. Neurodegenerative Disease Management 8(4): 267-282, 2018

Psychometric properties of the Italian version of the Scales for Outcomes in Parkinson's disease- Cognition (SCOPA-Cog). Functional Neurology 28(2): 121-125, 2014