Category: Rating Scales
Objective: To explore a new rating tool to assess satisfaction with life and treatment (SLTS-7) in a PD population.
Background: The satisfaction with life and in particular treatment in Parkinson’s disease (PD) is currently understudied.
Method: In this cross-sectional, multi-center international study including patients screened for deep brain stimulation (DBS) psychometric characteristics of the SLTS-7 were analysed. An exploratory factor analysis (EFA) was performed to investigate if a division into domains was possible.
Results: In total, 131 PD patients were included. The data quality of the SLTS-7 was excellent (computable data 96.2%) and acceptability measures satisfied standard criteria. Besides the global assessment (item and domain 1) the EFA reproduced three domains among the specific items: Item 2 (physical satisfaction), item 3,4 and 5 (psycho-social satisfaction) and item 6 and 7 (treatment satisfaction). For the four domains we found a high internal consistency (Cronbach’s alpha index >0.890) and internal validity (intercorrelations 0.51-0.72). SLTS-7 correlations with motor scales were largely weak (80%), with non-motor in the range from weak to moderate. SLTS-7 showed the highest correlations with EQ-5D visual analogue scale (0.45-0.56, p<0.01). The SLTS-7 was able to discriminate between subjective PD change levels since the last visit (p=0.007).
Conclusion: Our results support that the new SLTS-7 is reliable and valid to assess satisfaction with life and treatment in a PD population before undergoing DBS. The SLTS-7 has the potential to improve our understanding on factors contributing to life satisfaction and the patient selection for advanced therapies.
To cite this abstract in AMA style:A. Sauerbier, P. Bachon, L. Ambrosio, P. Leohrer, A. Rizos, S. Jost, A. Gronostay, A. Konitsioti, M. Barbe, G. Fink, K. Ashkan, C. Nimsky, V. Visser-Vandewalle, K. Ray Chaudhuri, L. Timmermann, P. Martinez-Martin, H. Dafsari. The satisfaction with life and treatment scale (SLTS-7) in patients with Parkinson’s disease [abstract]. Mov Disord. 2021; 36 (suppl 1). https://www.mdsabstracts.org/abstract/the-satisfaction-with-life-and-treatment-scale-slts-7-in-patients-with-parkinsons-disease/. Accessed December 7, 2023.
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MDS Abstracts - https://www.mdsabstracts.org/abstract/the-satisfaction-with-life-and-treatment-scale-slts-7-in-patients-with-parkinsons-disease/