Abstract
Abstract Nurses suffer from musculoskeletal strains because of frequent patient mobilizations. Therefore, mobile patient hoists were developed. However, patient hoists are rarely used. A possible reason is a low user acceptance due to poor usability of available products. To increase the user acceptance in health facilities and thus the frequency of use, a comparative usability assessment was conducted. The goal is to support health facilities in future purchasing decisions. 12 hoists were tested by 40 nurses in three everyday scenarios. Every nurse tested three hoists in randomized order. In total, each hoist was tested ten times. The success rate was used to measure the effectiveness. To identify poorly designed components, success rates were clustered into categories, which describe different hoist parts. User acceptance was quantified in the range of 0 to 100 using a standardized questionnaire. The success rate over all hoists was high and ranges from 88 % to 95 % (M = 92 %, SD = 2 %). However, serious use errors occurred in 24 % of the scenarios. The slingbars of the hoists showed the lowest effectiveness (M = 82 %, SD = 6 %). The user acceptance of the hoists ranges from 49 to 86 (M = 68, SD = 10). Besides structural problems like limited space or product availability, design deficits are a possible reason, why hoists are not used. All in all, the study identifies ergonomically better-designed hoists. Based on the results, health facilities can take usability aspects into account when making purchasing decisions.
Highlights
Nurses suffer more often from musculoskeletal injuries like low back pain (LBP) than other professions [1].2.2 Usability assessmentThe usability assessment was carried out according to DIN EN 62366 by performing a user test and a user survey [10].Subjects 40 nurses were recruited from different hospitals and nursing homes
The overall effectiveness of the 12 hoists ranges from 88 % to 95 % (M = 92 %, SD = 2 %)
Informed consent: Informed consent has been obtained from all individuals included in this study
Summary
Nurses suffer more often from musculoskeletal injuries like low back pain (LBP) than other professions [1].2.2 Usability assessmentThe usability assessment was carried out according to DIN EN 62366 by performing a user test and a user survey [10].Subjects 40 nurses were recruited from different hospitals and nursing homes (see Table 1). Nurses suffer more often from musculoskeletal injuries like low back pain (LBP) than other professions [1]. The usability assessment was carried out according to DIN EN 62366 by performing a user test and a user survey [10]. Subjects 40 nurses were recruited from different hospitals and nursing homes (see Table 1). Allowed to participate were nurses with at least one-year work experience and knowledge in handling patient hoists. Participating nurses received a salary of 125 €. L. Müller et al, Usability assessment of patient hoists as a purchasing guide for health facilities — 142
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