Lower Back Pain Clinical Trial
— DynSit-PainOfficial title:
Effect of Dynamic Sitting on Pain Development in Adult Pain Developers in Sedentary Environments - a Randomized Controlled Cross-over Trial
Verified date | December 2023 |
Source | University of Applied Sciences for Health Professions Upper Austria |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Worksite based prolonged static sitting postures can cause musculoskeletal pain. While the development of pain increases due to the constant growth of digitalization at work, numerous interventions to reduce prolonged sitting periods have been created. The effects of such interventions have not yet been properly examined. Thus, the "DynSit-Pain" project was initiated to investigate the influence of dynamic sitting on the pain development of pain developers in office environments.
Status | Completed |
Enrollment | 13 |
Est. completion date | October 20, 2023 |
Est. primary completion date | October 20, 2023 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 65 Years |
Eligibility | Inclusion Criteria: - Signed informed consent - People aged between 18 and 65 years - People classified as pain developers (e.g., increase of pain of 10 mm on a 100 mm paper based visual analogue scale) determined by pre-screening - Office workers - Employment status: > 30 h / week - Sufficient German language skills (minimum B2 level) - Table height of at least 63 cm at the main workplace Exclusion Criteria: - Physical or mental limitations that aggravate dynamic sitting or using the interventional chair (e.g., wheel chair users, vestibular dysfunctions) - Pregnancy - Working in sitting posture for less than 20 hours per working week in the main workplace. - Bodyweight over 110 kg and a body height over 195 cm - Regular therapy or medication for pain |
Country | Name | City | State |
---|---|---|---|
Austria | University of Applied Sciences for Health Professions Upper Austria | Linz | Upper Austria |
Lead Sponsor | Collaborator |
---|---|
University of Applied Sciences for Health Professions Upper Austria | Bergardi GmbH |
Austria,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Mean change in subjectively perceived lower back pain as determined with a Visual Analogue Scale (VAS) | Participants will rate their subjectively perceived lower back pain before and after a conventional occupational day on 5 consecutive days starting at baseline (week 1) and ending with the post-intervention visit (week 6). Subjectively perceived lower back pain will be assessed with a Visual Analogue Scale (VAS). The VAS used for this study ranges from 0 (none) to 100 points (strongest pain imaginable).
Question: Please rate the level of your lower back pain at this moment. |
6 weeks | |
Secondary | Change in impact of pain on daily life (pre- vs. post-intervention) estimated with the German version of the Oswestry Disability Index (ODI-D) | Participants will rate their subjectively perceived pain with the German version of the Oswestry Disability Index (ODI-D) at the baseline and post-intervention visits.
The ODI-D coverts 10 items: Pain intensity, Personal care, Lifting, Walking, Sitting, Standing, Sleeping, Sex (if applicable), Social and Travel. Each item consists of 6 statements which are scored from 0 (lowest disability) to 5 (highest disability). |
6 weeks | |
Secondary | Mean change in subjectively perceived mental fatigue (pre- vs. post-work, weekly average) estimated via Visual Analogue Scale (VAS) | Participants will rate their subjectively perceived mental fatigue before and after a conventional occupational day on 5 consecutive days starting at baseline (week 1) and ending with the post-intervention visit (week 6). Subjectively perceived mental fatigue will be assessed with a Visual Analogue Scale (VAS). The VAS used for this study ranges from 0 (none) to 100 points (strongest mental fatigue imaginable).
Question: Please rate the level of your mental fatigue at this moment. |
6 weeks | |
Secondary | Mean subjectively rated working performance (post-work, weekly average) estimated via VAS | Participants will rate their subjectively perceived working performance before and after a conventional occupational day on 5 consecutive days starting at baseline (week 1) and ending with the post-intervention visit (week 6). Subjectively perceived working performance will be assessed with a Visual Analogue Scale (VAS). The VAS used for this study ranges from 0 (not productive at all) to 100 points (very productive).
Question: Please rate the level of your working performance on this working day. |
6 weeks | |
Secondary | Change in quality of life (pre- vs. post-intervention) estimated via 5-level EuroQol quality of life questionnaire (EQ-5D-5L) | Participants will rate their subjectively perceived quality of life with the German version of the EQ-5D-5L at the baseline and post-intervention visits.
The EQ-5D-5L covers 5 Dimensions: Mobility, Self-care, Usual activities, Pain/discomfort and Anxiety/depression. Each dimension consists of 5 levels ranging from level 1 (no problems/pain/anxiety) to level 5 (extreme problems/pain/anxiety). It also includes a vertical visual analog scale with a range from 0 (worst imaginable health state) to 100 points (best imaginable health state). |
6 weeks | |
Secondary | User's experience estimated with the User Experience Questionnaire-Short version (UEQ-S) | Subjects will rate the usability of the dynamic chair with the German version of the User Experience Questionnaire-Short version (UEQ-S) at the relevant post-intervention visit.
The UEQ-S cover both classical usability aspects (efficiency, perspicuity, dependability) and user experience aspects (originality, stimulation). It consists of 8 items, each rated on a seven-point scale with a ranked order. The endpoints of the items are (left to right): obstructive to supportive / complicated to easy / inefficient to efficient / confusing to clear / boring to exciting / not interesting to interesting / conventional to inventive and usual to leading edge. |
6 weeks | |
Secondary | User's experience via qualitative interview | The first five participants using the dynamic chair will be contacted for a qualitative interview regarding the user experience and usability of dynamic sitting. This interview will last for about 60 minutes. After five interviews the data will be analyzed, and the collection will be ceased if data saturation is reached, or else the other 5 participants will be interviewed as well. | 6 weeks | |
Secondary | Number of adverse events (AE) estimated via an adverse event form sheet | In the diary and at all study visits participants will be asked for new adverse events. | 16 weeks | |
Secondary | Sitting behaviors estimated via microcontrollers | The usage of the interventional chair will be tracked (i.e., the system cannot detect which person is sitting on it) by means of a microcontroller to determine if the dynamic chair was used or replaced within the interventional period. | During the 6 weeks of the period of intervention |
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