Usability and Feasibility of an Occupational Exergame-based Intervention

Healthy Clinical Trial

— Senso@Work  

Official title:

Usability and Feasibility Trial of an Exergame-based Occupational Health Intervention at Two Swiss Workforce Companies

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT06076915
• Other study ID #: EK-2021-N-49
• Status: Completed
• Phase: N/A
• Start date: June 1, 2021
• Est. completion date: September 30, 2021

Study information

• Verified date: October 2023
• Source: Swiss Federal Institute of Technology
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

High levels of sustained sedentary time in office workers are associated with non-communicable diseases as e.g. cardio-vascular diseases or diabetes. Moreover, recent evidence has further suggested a relationship between prolonged sitting periods and adverse mental health outcomes. Based on these facts, various types of occupational health-related interventions have already been undertaken, thereby mostly focusing on physical aspects. However, a promising intervention option that has only rarely been investigated in this context, are so-called exergames, which allow a combined physical and cognitive training in a motivating and time-efficient manner. This pilot trial aims to determine the usability and feasibility of an exergame-based intervention targeting occupational health aspects, whilst secondarily exploring potential effects on physical and cognitive functions.

The study is planned for healthy (self-reported) office workers, aged between 18 and 65 years. Participants are asked to perform a minimum of 18 training sessions with a duration of 10-20 minutes during a period of six weeks. The design is planned as a two-arm crossover trial, where participants will randomly get allocated to a group, and either start with the training period or the control period (no training). After having completed the six-week training period, participants will evaluate the usability and report their experience with the exergame device. In terms of evaluation of the feasibility, adherence and attrition rates will be calculated at the end of the study. Before, after six weeks, as well as after 12 weeks, cognitive and physical assessments will be performed and questionnaires on behalf of stress experience and management will be elicited.

The findings of this pilot trial will help to explore the possibilities of designing occupational health interventions by the implementation of motor-cognitive exergames. In addition, this trial offers the possibility of exploratorily analyzing the effects of exergame training in office-workers.

Description:

Office workers spend around 65-75% of their working hours in a seated position, whereby more than 50% of this time is accumulated in prolonged periods of sustained sitting. Growing evidence has shown, that such prolonged periods of sitting have deleterious health effects, even in adults meeting the usual physical activity guidelines of 150 minutes of weekly physical activity. These negative health effects include cardiovascular disease, general higher all-cause mortality and diabetes, whose strength of association is the most consistent. Moreover, sedentary behavior is negatively associated with reduced cognitive functions, whereby the associations are largely dependent on the assessed outcomes. Reducing sedentary phases by implementing intermittent physical activity was reported providing beneficial effects on multiple systems that are relevant for brain health, such as blood pressure, sympathetic function, or vascular function.

In addition to these direct physical consequences of working seated in an office, occupational stress can exert a further negative influence on employees. Such persisting increased levels of stress can lead to high costs in both human and economic aspects, and are associated with an increased risk of high blood pressure, depression, anger, anxiety, and irritability. For this reason, companies are more and more engaging in monitoring and preventing the occurrence of a stressful working environment, by addressing office vitality. This provides the further advantage of lowering the health care costs of employees while secondarily reducing absenteeism rates.

There exists already many studies in this area, which have dealt with the topic of occupational health. A common intervention in this regard is the implementation of sit-stand working stations or dynamic workstations with pedaling or walking tasks, mainly aiming to reduce the occurrence of musculoskeletal discomfort symptoms. However, a systematic review by Shrestha et al. showed that such sit-stand desks could not imply a considerable effect on working performance, and only an inconsistent effect on musculoskeletal symptoms. Moreover, walking breaks did not affect workplace sitting time whereas computer prompts to stand up had an inconsistent effect.

This indicates, that most current studies focus on promoting occupational health through physical interventions, with the main outcome being workplace sitting time and a strong focus on musculoskeletal outcomes. However, largely neglected so far are identified links of physical activity and sedentary behavior with cognition and mental health. It seems justified to assume that increasing physical activity or reducing sedentary behavior in office workers will also effect on mental health and cognition. As a way of example, the effect of a technology-based, combined physical and cognitive training, which has already been studied in various clinical settings, has only been rarely established in the context of healthy office workers. Research that analyses how this combination affects employees' health and well-being is therefore justified.

An emerging field that targets both physical and cognitive functions, are so-called exergames Exergames are games, which require the user to move his/her body to engage with a playful environment. The simultaneous cognitive task is thereby embedded in the game design, which helps to target multiple physical and cognitive functions in a combined manner. Due to the experienced enjoyment whilst playing the games, several studies reported such exergames to increase intrinsic motivation and thus adherence. Furthermore, most of the studies have shown exergames to be feasible, safe and proved them to have a high usability, as well as acceptance in geriatric, neurological, and cardiac patients. An exergame device that was developed based on this concept of combined cognitive-motor training and specifically designed for the needs of the mentioned target groups is the Dividat Senso. The ETH spin-off Dividat AG has developed this technology-based training system, with the main target of providing an optimal system for rehabilitation purposes and usage by older adults. With its hardware consisting of a pressure-sensitive step plate, surrounded by a handrail, it allows the user to interact with the software, presented on the screen in front, by the execution of steps or shifting of the body weight.

Findings from several studies in this area of cognitive-motor training have shown above all that the addition of such a cognitive training to the conventional balance and strength exercises of elderly people provide an additional positive effect on gait initiation, divided attention, and dual-task costs while walking. Due to this evidence base, the Dividat Senso was up till now mainly deployed in the field of (geriatric) research, training centers, rehabilitation clinics, and hospitals. However, with its simple operation, as well as the short intervals of the different games (2-5 minutes), the Dividat Senso could be an optimal addition to the field of occupational health, by playfully motivating employees to exercise during short work break intervals. This is supported by the study of Glazer et al. which showed that accruing physical activity in bouts of <10 minutes may already lead to a favorable influence on the general cardiometabolic risk.

The aim of this trial is, therefore, to explore whether such a combined cognitive-motor training with the Dividat Senso could be a usable and acceptable option to promote beneficial active breaks for healthy office workers. Moreover, this trial aims to assess whether this exergame training could be a way to not only interrupt the sedentary office periods with short movement bouts but also provide an optimal cognitive stimulus, leading to positive effects regarding stress and frustration levels.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 22
• Est. completion date: September 30, 2021
• Est. primary completion date: September 30, 2021
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: 18 Years to 65 Years

Eligibility

Inclusion Criteria:

• Provide a signed informed consent

• Aged between 18 and 65 years

• Present at min. 2 workdays a week

Exclusion Criteria:

• Severe sensory impairments (mainly visual, auditory, color blindness)

• Planned absence from work for >2 week

• Acute or unstable chronic diseases (e.g. cardiac infarction during the last year, uncontrolled high blood pressure or cardiovascular disease, uncontrolled diabetes)

• Rapidly progressing or terminal illnesses

• Chronic respiratory disease

• Condition or therapy that weakens the immune system

• Cancer

• Serious obesity > 40kg/m2

Related Conditions & MeSH terms

• Healthy

Intervention

Behavioral:
• Exergame training
During the exergame intervention period, the participants in the respective group will be asked to train at least two times per week for 10 minutes per session. The proposed 10 to 15 min-sessions can also be split up into multiple short training slots during the day, to thus reach the targeted 10 minutes. Moreover, the participants are allowed to train even more during their "exergame-intervention" period of six weeks. However, during the control period of six weeks, they are prohibited from training on the device. The training program will start with four pre-defined programs of the Dividat Senso (Dividat AG, Schindellegi, Switzerland; CE certification) program. This training program will be adapted weekly by the investigator to generate new stimuli through varying games and thereby also further support the motivation.

Locations

Country	Name	City	State
Switzerland	Baryon AG	Zurich	ZH

Sponsors (1)

Lead Sponsor	Collaborator
Swiss Federal Institute of Technology

Country where clinical trial is conducted

Switzerland, 

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* Note: There are 35 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	System Usability	Score at the System Usability Scale (SUS) (for all single items and the in total) after receiving the Exergame Training for 6 weeks Higher scores imply better system usability	6 weeks
Primary	Technology Acceptance	Score at the Tailored Technology Acceptance Model (TAM) (for all single items and the in total) items after receiving the Exergame Training for 6 weeks Higher scores imply higher acceptance	6 weeks
Primary	Usability	Score at the Tailored usability questionnaire items after receiving the Exergame Training for 6 weeks	6 weeks
Primary	Situational Motivation Scale (SIMS)	The SIMS is a 16-item questionnaire that measures the aspects of intrinsic motivation, identified regulation, external regulation and amotivation. This brief and versatile self-report measure asks participants to rate their agree- or disagreement to predefined statements on a 7-point Likert scale.	6 weeks
Primary	Adherence Rate	Duration of attended exergame training sessions in relation to the duration of the recommended (2 x 10min x 6 weeks=120 minutes) sessions (in %).	6 weeks
Primary	Attrition	Number of participants that dropped out of the study during the exergame training intervention period.	6 weeks
Primary	Recruitment Rate	Number of participating employees in relation to the total number of employees working at the company and fulfilling the inclusion/exclusion criteria at the time the study took place.	6 weeks
Secondary	Changes in Mental Flexibility after 6 weeks of Exergame Training (from T1 to T2 (for G1) and from T2 to T3 (for G2)	The Flexibility Test measures figural cognitive flexibility (the ability to switch between different concepts). Participants need to react as fast as possible to the presented round figure, then to the angular figure, then to the round figure and so on. Reaction times (in ms) were calculated.	6 weeks of Exergame Training
Secondary	Changes in Selective Attention after 6 weeks of Exergame Training (from T1 to T2 (for G1) and from T2 to T3 (for G2)	The Arrow Test is used to measure selective attention and inhibition. A small grey dot in the middle of the screen needs to be fixated. On the right and left side of this grey dot, arrows appear, that point either to the right or left, in a randomized order. Steps then need to be performed as fast as possible in the direction where the arrowheads are pointing (and not the side where they are appearing). Reaction times (in ms) were calculated.	6 weeks of Exergame Training
Secondary	Changes in Inhibition after 6 weeks of Exergame Training (from T1 to T2 (for G1) and from T2 to T3 (for G2)	The Stroop Test measures inhibition in a combination of four subtests. Four colored circles are always presented on the screen ( front=yellow, left= red, back=green, right= blue).; During subtest (1), a square is presented in the middle, whereafter the circle with the matching color needs to be selected as fast as possible. During subtest (2), a word is presented in the middle, whereafter, the circle with the matching color needs to be selected as fast as possible. During subtest (3), word is presented in the middle, whereafter the circle needs to be selected, whose color matches the color of the letters. During subtest (4), a word appears in the middle, randomly either framed or not. If the word appears framed, the circle needs to be selected that matches the described color. If the word is unframed, the circle needs to be selected in the color of the word letters. Reaction times (in ms) were calculated in all subtests.	6 weeks of Exergame Training
Secondary	Changes in postural sway after 6 weeks of Exergame Training (from T1 to T2 (for G1) and from T2 to T3 (for G2)	Sway Test (Senso): The Sway Test is based on the widely used Romberg Test and assesses postural control. Participants will stand on the plate with their feet shoulder-width apart and their arms extended at the front, while being standing as still as possible for 30 seconds. The test will be repeated in a second condition with closed eyes, to assess the sensory contribution to the postural control as well as in a third condition on a soft mat to assess the postural control in a more challenging environment. During these three tasks, the Center of Pressure displacement (path length in mm) is measured to evaluate participants postural control.	6 weeks of Exergame Training