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- Brandt, Ase, et al.
(författare)
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Towards an instrument targeting mobility-related participation: Nordic cross-national reliability
- 2008
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Ingår i: Journal of Rehabilitation Medicine. - : Medical Journals Sweden AB. - 1651-2081 .- 1650-1977. ; 40:9, s. 766-772
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To investigate test-retest reliability and internal consistency of a new instrument for evaluation of mobility device interventions. Material and methods: The instrument comprised 4 scales and one summed index. Two test-retest interviews involved 147 mobility device users (mean age 60 years) with a broad range of functional limitations, living at home. Results: For 2 scales and the summed index the reliability was substantial or almost perfect (K 0.71/ K-W 0.76/intraclass correlation coefficient = 0.93; confidence interval = 0.90-0.95). The reliability of one scale was moderate (K-w 0.4 1), but after reduction of grades and combination with another scale, it was substantial (K-w 0.66). The reliability of the fourth scale was moderate (K-w 0.55). The internal consistency of 3 scales varied from a 0.63 to 0.76. Conclusion: Even thou,,h the test-retest reliability of all but one of the scales of the new instrument was substantial to almost perfect, this study demonstrated that revision is required. The challenges identified were probably due to the highly complex relationship between outdoor participation while using mobility devices and accessibility to the outdoor physical environment. Thus. based on the results of this study the instrument will be revised and subsequently launched as the "Nordic mobility-related participation outcome evaluation of assistive device intervention" (NOMO instrument). More research on the concept of mobility-related participation and the psychometric qualities of the instrument is required.
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| 6. |
- Sund, Terje, et al.
(författare)
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Documentation of and satisfaction with the service delivery process of electric powered scooters among adult users in different national contexts
- 2013
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Ingår i: Disability and Rehabilitation: Assistive Technology. - : Informa UK Limited. - 1748-3115 .- 1748-3107. ; 8, s. 151-160
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Tidskriftsartikel (refereegranskat)abstract
- The purpose of this study was to investigate how different service delivery systems for assistive devices were associated with the service delivery process (SDP) and user satisfaction in two national contexts when electric powered scooters were provided. Method: The study had a follow-up design based on a consecutive inclusion of 50 Danish and 86 Norwegian adults as they were about to be provided a scooter. A study-specific structured questionnaire for documentation of the SDP was administered. The Satisfaction with Assistive Technology Services was used for documenting user satisfaction with the SDP. Besides descriptive statistics, regression analysis was used to identify contributors of variance and predictors of user satisfaction. Results: The various steps of the SDP were carried out to a various degree. Significantly more total time was spent in the SDP in the Danish sample (p < 0.001). About 80% of the informants were satisfied/very satisfied with different aspects of the SDP. Time spent in the different steps was not associated with user satisfaction with the SDP. Conclusion: This study supports the assumption that structure of the service impacts on the SDP, but not that the process impacts on outcomes in terms of user satisfaction with the SDP. It may, however, be questioned whether this actually is an outcome.
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- Sund, Terje
(författare)
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Powered Mobility Devices in a Nordic Context: Service Delivery, Effectiveness and Methodological Development
- 2015
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- This thesis has contributed to the methodological development in the field of assistive technology and has generated new knowledge about the effectiveness and the service delivery process when powered mobility devices are provided to adult first time users in a Nordic context. Some of the results have been used to investigate the relationship between the three key elements of Donabedian’s conceptual model when scooters are provided to users from two Nordic countries, Denmark and Norway. As most of the results from the psychometric testing of the SATS and NOMO 1.0 were above the recommended levels, both instruments can be reliably administered in studies among adult users of powered mobility devices in Nordic context. The factor analysis of the need for assistance and frequency scales of the NOMO 1.0 identified unidimensionality for the first scale and multi-dimensionality for the other. However, further psychometric testing is required for the NOMO 1.0 regarding the validity. As for the SATS, the instrument needs to go through a basic investigation of its validity. There is a need to consider the wording of the items in order to avoid, for example, double-barrel questions. A factor analysis should be carried out in order to establish the dimensionality and to see if there is a need for item reduction. In other words, a revision of the instrument is needed. Concerning the NOMO 1.0, (further validity studies) a confirmatory factor analysis is needed. Reliability and validity studies are needed for the study-specific questionnaires used in the SATS study. All three instruments need to be psychometrically tested in other user groups of assistive devices than powered mobility devices and in other cultures than the Nordic countries. Supporting previous research, this thesis showed that the powered mobility device interventions increase mobility-related participation in daily life among adult users in a Nordic context. Mobility became easier for several aspects, and buying groceries and go for a walk/ride were carried out more frequently. Men, scooter users, and users with poor self-reported health seem to benefit the most from the interventions. Assessments and administrative work were accomplished in almost all the cases, while the other steps of the service delivery process were carried out to a various degree when scooters were provided to users in Denmark and Norway. More time was spent on assessments, administration and total time in the Danish sample. The user satisfaction with different aspects of the service delivery process was high. However, there was no association between time spent in the service delivery process and use satisfaction and effectiveness. The finding that there were differences in time spent on the service delivery process between samples from two countries with structural differences confirm the assumption that structure of the services predicts the time spent in the service delivery process. Different rules regulating the area seem to be an important explanation for the time differences. The expected association between the structure, the time spent in the service delivery process and the outcomes in terms of user satisfaction with the service delivery process and effectiveness was not found.
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