Truck drivers’ perceptions on wearable devices and health promotion: a qualitative study
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Professional truck drivers, as other shift workers, have been identified as a high-risk group for various health conditions including cardiovascular disease, obesity, diabetes, sleep apnoea and stress. Mobile health technologies can potentially improve the health and wellbeing of people with a sedentary lifestyle such as truck drivers. Yet, only a few studies on health promotion interventions related to mobile health technologies for truck drivers have been conducted. We aimed to explore professional truck drivers’ views on health promotion delivered via mobile health technologies such as wearable devices.
We conducted a phenomenological qualitative study, consisting of four semi-structured focus groups with 34 full-time professional truck drivers in the UK. The focus groups were audio-taped, transcribed verbatim and analysed using thematic content analysis. We discussed drivers’ perceptions of their health, lifestyle and work environment, and their past experience and expectations from mobile health technologies.
The participants viewed their lifestyle as unhealthy and were aware of possible consequences. They expressed the need and wish to change their lifestyle, yet perceived it as an inherent, unavoidable outcome of their occupation. Current health improvement initiatives were not always aligned with their working conditions. The participants were generally willing to use mobile health technologies such as wearable devices, as a preventive measure to avoid prospect morbidity, particularly cardiovascular diseases. They were ambivalent about privacy and the risk of their employer’s monitoring their clinical data.
Wearable devices may offer new possibilities for improving the health and wellbeing of truck drivers. Drivers were aware of their unhealthy lifestyle. They were interested in changing their lifestyle and health. Drivers raised concerns regarding being continuously monitored by their employer. Health improvement initiatives should be aligned with the unique working conditions of truck drivers. Future research is needed to examine the impact of wearable devices on improving the health and wellbeing of professional drivers.
KeywordsOccupational health Health promotion Shift work Lifestyle Health technology Motor vehicles Public health Focus groups, qualitative study mHealth eHealth Wearable devices
In 2014, there were over 2 million professional drivers in the United Kingdom (UK), of which 53.7 % were road transport drivers or heavy goods vehicle (HGV) drivers. Truck drivers make up 1.6 % of the UK population . Professional drivers, particularly truck drivers, tend to live an unhealthy lifestyle and have increased cardiometabolic risk factors in comparison to other professions [2, 3, 4, 5]. Their working conditions are dictated by the global economy that requires industries to operate 24/7 under tight schedules. The irregular working schedule brings along challenges to adopting a lifestyle change [6, 7] because it disrupts healthy eating habits as well as sleep, exercise and social life . Their long and irregular working hours are associated with sleep deprivation which leads to drowsiness, irritability, confusion, as well as impaired attention, recall, reaction time, hand-eye coordination and vigilance level . Fatigue in general is a major risk for driving safety of truck drivers . Their sedentary work style and being constantly on the road allows fewer opportunities to exercise  and access to healthy food and maintain a balanced diet, which substantially influence drivers’ wellbeing and performance at work [12, 13]. Truck drivers are also hard to reach for health promotion interventions as they spend long hours driving on the road.
Whereas truck drivers in various countries have different working conditions and each country has different regulations, findings regarding health of truck drivers are rather universal; most of them are obese, work overtime and do not get enough sleep. A survey among American commercial drivers (n = 260) found that the majority (64 %) of them were obese or morbidly obese and at high or very high cardiometabolic risk (89 %). Most of them worked an irregular daily schedule and almost half of them did not get proper night sleep. The more hours they worked daily, the greater was their body mass index. Those who did more shift work and slept less hours had worse sleep quality . Obesity and smoking are twice as prevalent in long-haul truck drivers as in the adult American working population . Over 61 % reported having at least two of the following risk factors: hypertension, obesity, smoking, high cholesterol, limited physical activity, six or fewer hours of sleep per 24-h period . Taiwanese truck drivers who did not get a quality sleep, drove larger yearly distances and drove late at night tended to commit more speeding offenses . UK data suggest that 10–25 % of truck crashes are related to driver fatigue . A survey of 996 UK HGV drivers reported that drivers who snore whilst sleeping at night, were more likely to be obese, had a noticeably large collar size, and had higher accident liabilities than those not reporting these characteristics. Drivers who tended to report daytime sleepiness had increased accident liability . In another study, 81 % of 192 UK truck drivers reported some musculoskeletal pain during the previous 12 months and 60 % reported low back pain .
Health and safety implications of truck drivers’ impaired health
Beyond the health implications, there are safety and economic implications to truck drivers’ morbidity. Commercial driving and long driving hours are leading causes of fatal work injuries, accounting for 40 % of all-cause fatal occupational injuries in America , and 17 % of fatal accidents in the EU . Such accidents are commonly linked to human error caused by the truck driver .
Driving safety regulations in the UK, EU and the US
In any working day the maximum amount of driving permitted is 10 h
In any working day the maximum amount of duty permitted is 11 h. A driver is exempt from the daily duty limit (11 h) on any working day when a driver does not drive.
A maximum amount of daily driving time of 9 h that can be extended to 10 h no more than twice a week.
A maximum amount of weekly driving time of 56 h.
A maximum total accumulated driving time during any two consecutive weeks of 90 h.
After driving for a period of 4.5 h, a driver must take an uninterrupted break of not less than 45 min, unless he takes a rest period.
A minimum daily rest of 11 h, which can be reduced to 9 h, no more than 3 times a week.
A regular weekly rest period of minimum 45 h and a reduced weekly rest period of a minimum of 24 h.
May drive a maximum of 11 h after 10 consecutive hours off duty.
May not drive beyond the 14th consecutive hour after coming on duty, following 10 consecutive hours off duty. Off-duty time does not extend the 14-h period.
May drive only if 8 h or less have passed since end of driver’s last off-duty
May drive only if 8 h or less have passed since end of driver’s last off-duty or sleeper berth period of at least 30 min.
May not drive after 60/70 h on duty in 7/8 consecutive days. A driver may restart a 7/8 consecutive day period after taking 34 or more consecutive hours off duty.
Workplace health, disease prevention and wellness programmes
There is growing interest in workplace health, disease prevention and wellness programmes to improve health outcomes and productivity and yield lower costs. Such programmes showed return on investment which suggests a wider adoption of such programmes [26, 27]. Programmes associated with favourable outcomes have several characteristics in common including corporate culture, employees and leadership commitment, a participation-friendly corporate policy and physical environment, adaptation to the changing needs of the employees, support of community health organizations, and utilization of technology to facilitate health risk assessments and wellness education . Successful programmes were also well-designed, well-executed, and were evidence-based . However, as yet, employee participation in such programmes is limited in low-wage industries [29, 30]. Health and wellness programmes in trucking companies commonly fall short, and are insufficient to improve health outcomes in a sustainable way . Lemke et al.  proposed a systems-based paradigm as a conceptual and methodological framework with the potential to meaningfully advance interventions in blue-collar work settings.
The role of mobile health in health promotion for truck drivers
Mobile health (mHealth) technologies offer potential solutions to promote a healthier lifestyle for truck drivers. There are various definitions of mHealth . However there is general agreement that it refers to the usage of mobile and wireless devices to deliver remote healthcare and preventative services. Wearable devices include electronic monitors that contain sensors, storage systems or capacity to track individuals’ health behaviours and physical activities. Therefore wearable devices may serve as one channel of mHealth – through integration of mobile technology to record, track and monitor personal health-related information.
The development and availability of mHealth technologies such as smartphones and smart watches enables ubiquitous access to health promotion tools such as reminders and follow-up of biomedical measures. However, studies have noted the negative effects of in-vehicle visual displays in distracting drivers’ attention, and the information overload caused by performing secondary tasks while driving .
Despite their notable unhealthy lifestyle and increased risk of impaired health, only a few studies on health promotion interventions in truck drivers exist [2, 3, 4, 5]. It is unclear how drivers perceive their own health and lifestyle, and how do they make use of such technologies aiming to improve their health. The aim of this study is to explore professional drivers’ perceptions of health promotion and mobile health (mHealth) technological interventions that aim to promote their health and wellbeing. Hence there is a need for health promotion initiatives to improve the health and wellbeing of professional truck drivers which will potentially benefit drivers, employers, other road users and the public health system.
We conducted a phenomenological, qualitative study to explore the needs and attitudes of professional drivers regarding health promotion interventions, and particularly their perception about the role of wearable health devices in improving their health. We conducted semi-structured focus groups with professional truck drivers. A semi-structured protocol is systematic yet sensitive to the dynamics of the conversation. Focus groups have been found especially valuable for testing new programmes and ideas [34, 35]. Phenomenological research aims to describe a lived experience, and hence a suitable approach for the study question. For Creswell , “a phenomenological study describes the meaning for several individuals of their lived experiences of a concept or a phenomenon. The basic purpose of phenomenology is to reduce individual experiences with a phenomenon to a description of the universal essence”. Hence it was more appropriate than other qualitative approaches such as narrative research, grounded theory, ethnography, and case studies. We followed the psychological phenomenology approach , which focuses less on hermeneutics (the researcher’s interpretations) and more on a description of the participants’ experience. The procedure of this approach consists of identifying a phenomenon to study, bracketing out one’s experiences, and collecting data from several persons who have experienced the phenomenon, followed by data analysis aimed at reducing the information to significant statements or quotes and combines the statements into themes . We followed the COREQ checklist for reporting findings of interviews and focus groups .
Recruitment and participants
We recruited participants by approaching companies, advertising in truck magazines and using social media such as truck drivers’ blogs. Because directly approaching truck drivers did not result in a sufficiently large sample, we contacted 95 companies, which were mainly UK haulage companies and major retailers. Most of them did not respond or were reluctant to participate. One medium-size logistics company agreed to partake. Posters were supplied to the company, and interested drivers were provided with information sheets. All participants were 18 years or older and able to speak and read English. To become a lorry driver in the UK, one needs to have a full car licence, be over 18 (with some exceptions), and get a professional driving qualification (Certificate of Professional Competence) . All drivers drove only within the UK. We interviewed a purposive sample of 34 participants who participated in one of four focus groups. Although women were eligible, only male drivers participated, which is likely because over 96 % of UK truck drivers are male . The study was approved by the Imperial College Research Ethics Committee (Ref: 14IC2246). The participants were compensated by £20 vouchers upon the completion of the interview. The participants deliberately chose to participate in the focus groups. None have refused to participate or dropped out.
After studying the relevant literature, we defined four themes for discussion, covering prior experiences with health technology, motivations for using health technology, expectations from health technology platforms and wearable devices and views on employers’ health promotion activities (See Appendix 1). The focus groups were designed to fit a period of 90 min. At the beginning of the focus groups, we administered a brief self-reported questionnaire to collect demographic data and self-reported health and lifestyle ratings. No relationship was established with the participants prior to study commencement.
We conducted four focus groups consisting of 5–12 participants each, and lasted between 50 and 60 min. They took place between November and December 2014 at the employer’s premises. Two researchers experienced in moderating group discussions led the focus groups; RG as the lead moderator and EB as a facilitator, who also recorded the nonverbal communication. Both researchers are research assistants trained in qualitative research methods, have a MA degree, and are female. The participants were only informed that the researchers are research assistants at Imperial College London.
To engage positively and gain the trust of the participants, we emphasized that there were no ‘right’ or ‘wrong’ answers, and participants were free to leave at any time. We emphasized that individual responses will be kept confidential, allowing them to freely express their views. During the focus groups we used clinical interview techniques, such as reflection, restatement, clarification, and exploration. There was no one else present in the room besides the participants and researchers. The discussions were audio-taped and later transcribed verbatim by RG and EB, and were verified by CPW. Any identifying details were removed during transcription. The participants’ names were kept confidential, and the transcriptions were not shared with the management of the company.
Data analysis and thematisation
The aim of the data analysis within the empirical phenomenology approach, is to reduce the information to significant statements or quotes and to combine the statements into themes . Using a thematic content analysis is useful for this purpose. The analysis was based on the transcriptions of the audio recordings as well as on notes taken of nonverbal communication of the participants. The open coding was done by two qualitative researchers (RG, EB) who independently analysed the data and generated initial codes. We developed the codes for each interview as a standalone unit and then combined them into a mutual set. We developed the codes and themes in an iterative process where codes led to shaping broader themes and vice versa. The meaning of the iterative process is working in a data-codes-themes cycles, where initial codes (i.e., repetitive matters) are first drawn from the text and serve as building blocks for higher level themes. The new themes are then tested against further data, and so on, until the codes and themes system make sense. The themes were derived from the raw data, yet some of them followed the themes predefined in the protocol. We conducted ongoing discussions with the other authors on coding and interpretation of the data. Coding and thematisation continued until thematic saturation was reached. Because the participants were employees of the commercial company and work under tight schedules, the transcripts weren’t returned to participants for comments nor were the participants asked to provide feedback on the findings.
Descriptive characteristics of the study participants
Age (years), mean ± SD; range
42.2 ± 7.8; [27–57]
Sex, n (% male)
Driving experience (years), mean ± SD; range
16.1 ± 9.9; [1–33]
Vehicle type, n (%)
Both long-haul and short-haul
Perception of health, n (%)
Perception of lifestyle, n (%)
Not very healthy
Barriers to maintaining healthy lifestyle: the gap between awareness and reality
“We know it’s unhealthy for us but you’re stopping at greasy cafes and places at the moment because it’s the first thing you can eat”.
“I think if you’d monitor our sleeping patterns you would be amazed! You would be absolutely amazed, some days we only get 3 h of sleep and then go to a 12 h shift.”
“We now have the gym downstairs, but after working 12–15 h you won’t say, oh yes I need to go to the gym really.”
“I want to change my lifestyle, I would like to take more care of my health and wellbeing but in the current work environment it is hard to make a change in my lifestyle”.
“It’s just getting the time and the education to change that, to change my lifestyle.”
Wearable devices as a means to close the gap between awareness and reality
“Don’t know what’s out there what I can use, because I don’t mind using it, because I want to improve my health and I understand it is going to be hard work”.
“I am interested in how it works what it can tell you and how to obtain it? And obviously if it helps it will be a worthwhile investment”.
“It shouldn’t be a quick fix, it should be something that really changes the perception of people’s lifestyle, not just a quick diet.”
“But if it would involve a lot, it’s going to last about two days. You know what I mean because at the end of the week you’re tired and full of stress… we might stop using it”.
“Also the things that are available on the market right now take a regular 9–5 job person into account, but not a truck driver who usually has to go to bed at 5 in the afternoon and get up at 2 in the morning.”
Motivation for using wearable devices
“Rather than putting their head in the sand, use a piece of technology or telling you from day to day minute to minute how their lifestyle is. And if you changed it you can see it rather than being told or putting your head in the sand”.
“Well ok, but I mean incorporating it into something like, it should have a sort of dietary aspect to it you know what I mean, what to eat what not to eat. I’m still sort of on the preventive side of things if you know what I mean”.
“I’m just saying, if you went to your doctor …and someone could wear that for a week to monitor. They don’t have to put you on medication, but can see where you’re standing and prevent it. Medicine is moving anyway to preventive medicine, isn’t it?”
“Or when you know someone, like one of my best mates died of a heart attack and he was a HGV driver and that gave me a wake-up call“
“Heart attack…. Because if that thing happen it shocks you really. I don’t like it, but if I would have a heart problem or would be diabetic I would probably wear one, because then I have to know what is going on.”
The “Big brother”- the experience of being continuously monitored
“Talking about a perspective from the health of a company it gives the management a better idea if they saw what you are actually doing physically and mentally each day. Over the hours or period that you are working“.
“If that’s monitoring your heart rate, your blood pressure and your cholesterol level what’s wrong with the company knowing that?
“I think at the end of the day you can go to your line manager or your boss or anything like that and they tell you a load of crap like you’re not doing that you’re not doing that mate. You can go, hang on a second, there’s your proof in your pudding. That’s my week at work, that’s when I was off, there’s your blood pressure everything sleep pattern, fine, that’s for two or three weeks go on and compare“.
“Yeah well, the sleeping patterns obviously because if your employer could somehow monitor it and your employer can see you only had two hours of sleep and sends you out to a twelve hour journey to London. You know what I mean? It can risk your job”.
“Let’s say they can see you are stress and tired, do you really want them to see it?”
Who will benefit from wearable devices?
“I haven’t worked for anyone else who puts me on this much stuff about health and wellbeing”.
“The company is doing more with health that it starts bringing it to the top of the chain”.
“They want people to work until they retire. It will save them money in the end”.
“There is no young coming in, so they now have to look into keeping us lot healthy, because they want us to work until we retire and that’s why they are going to bother”.
Summary of findings
The drivers’ accounts raised two main narratives. The first narrative was how drivers relate to their unhealthy lifestyle and the occupational factors refraining them from adopting a healthier lifestyle. The other narrative was the role of mHealth wearable devices in promoting their health while help in prevention health conditions and especially cardiovascular disease. Drivers were aware of their unhealthy occupational lifestyle and its possible consequences. Participants were generally welcoming towards the discussed mHealth devices, yet the introduction of such technologies raised concerns about violation of their privacy and their data being available to their employers as it imposes risk to their jobs. Second, there was some ambivalence towards the interest of companies to provide such devices to their drivers (i.e., whether they authentically care for the drivers or motivated by sheer economic interests).
There was a mismatch between the drivers’ self-rating of health (mostly “good”) and lifestyle (mostly “healthy”) in the questionnaire administered preceding the focus groups, and what they expressed during the focus groups. This may be a result of a cognitive bias (i.e. people report what is easier for them to report, because it is emotionally more difficult to report that one’s health is not so good). Methodologically, it may also serve as an example of the power of qualitative research in bringing up above the surface issues which are difficult to capture in surveys.
Challenges raised by the findings
The importance seen by companies to offer health promotion programmes
The fact that only one out of 95 companies approached was willing to partake in the study is a meaningful finding by itself. While commercial confidentiality, time constraints and lack of direct benefit to the company are likely to have played a role here, it may hint at the relative importance given to looking after drivers’ health and wellbeing by companies. The scarcity of scholarly literature on health promotion interventions for truck drivers as high-risk population may be another echo of the current lack of policy and academic interests in this population. Bearing in mind that in the EU, 46 % of goods transport is transferred via roads (in comparison to 30 % in the USA, 60 % in Japan and 11 % in China ), the health of truck drivers is a crucial issue from both public health and economic perspectives. In Europe, including the UK, the shortage of truck drivers is already ‘a ticking bomb’ which may create a logistic bottleneck to the economy . Another challenge here is that truck drivers are hard to reach for health promotion interventions as they are mostly on the road.
Helping employers to reduce road related collisions at work, including through improved HGV safety is one of the UK Government key priorities for road safety . Highways England (a government-owned company with responsibility for managing the core road network in England) aims to move towards its target of reducing the number of people killed or seriously injured on the strategic road network by 40 % by the end of 2020.
Tailoring health promotion programmes to drivers’ needs
Another important matter apparent in the data is the need to fully understand the particular needs of the targeted populations to design appropriate public health intervention. In this specific company, efforts have been made to promote health and wellbeing, such as a free gym, a health check machine and healthy snacks in the cafeteria. However, many of these goodwill efforts do not seem to reach the drivers due to their work conditions: their long working hours do not leave them enough time to go to the gym, and being mostly on the road they do not take the full advantage of the cafeteria. To improve the chances of health improvement initiatives are taken by truck drivers, the initiatives should be tailored to their particular work conditions.
Compliance with regulatory work hours
A worrying fact is that many of the drivers do not seem to adhere to rest hour regulations, and appear to be afraid of the consequences if this information will be known to their employer. Non-adherence to rest hour regulations may have severe consequences not only on the drivers’ health, but also impinge on the safety of other road users. Several studies [24, 25] indicated that long-haul truck drivers do not obtain enough sleep required for alertness on the job. Adhering to the work hours regulations, access to physical activity facilities and healthy food, as well as improve the ease of access to health professionals, social support are needed to improve the health and wellbeing of truck drivers.
The ‘big brother’ issue
Growing number of employers are now using vehicle telematics to monitor their drivers’ location and behaviour. Drivers may be naturally concerned about their driving behaviour monitored by their employer, and who can then access that data and for what purpose. Such data is protected under the Data Protection Act (1998), yet drivers may not be aware of their rights. In the UK, the Royal Society for the Prevention of Accidents produced a policy paper discussing road safety and in-vehicle monitoring technology (driving telematics) . It is mandatory for Event Data Recorders to be fitted in cars and light vehicles sold in the USA from September 2013. In Europe, such technologies became mandatory on all new vehicles in 2015 .
Strengths and limitations
This is the first study that explored professional drivers’ perceptions on mHealth technologies in promoting their health and wellbeing. Methodologically, qualitative data collected in the four focus groups enabled us to gain insights on personal daily experience and the work environment of professional drivers. In addition, the open discussions highlighted drivers’ self-awareness to their unhealthy lifestyle and how drivers’ lifestyle could be influenced by their work environment. However, this exploratory study has several limitations. First, all participants were recruited from the same organisation which may limit the generalizability of our findings and introduced volunteer bias. Yet, qualitative research rarely seeks to generalize but to explore perceptions, ideas and opinions. Second, the particular organisation that was willing to participate was already interested in health promotion, and may not be representative of the haulage industry. Third, it is difficult for people to comment on a concept or on a service that they did not use before. While conducting the interviews we have noticed different levels of knowledge and experience with technology, hence responses were likely based on previous experience with available technologies such as smartphones or pedometers.
Future research could examine the impact and experience of using wearable devices, and to understand the impact of health monitoring on driving performance and safety, and drivers’ health and wellbeing. Future studies should strive to include participants from different organisations, including private companies and the public sector. Another research avenue is the employer’s angle, capturing motivations and challenges in promoting health of professional drivers, and their opinions regarding the usage of wearable devices.
Truck drivers are a high-risk population for various health conditions, and yet a neglected profession from a public health perceptive. The transport sector, the haulage industry and the public health sector should acknowledge these challenges, and mutual actions should be taken to remedy truck drivers’ work conditions. The participants viewed their lifestyle as unhealthy and were aware of possible consequences. They expressed the need and wish to change their lifestyle, yet perceived it as an inherent, unavoidable outcome of their occupation. Current health improvement initiatives were not always aligned with their working conditions. The participants were generally willing to use mobile health technologies such as wearable devices, as a preventive measure to avoid prospect morbidity, particularly cardiovascular diseases. They were ambivalent about privacy and the risk of their employer’s monitoring their clinical data if such devices were to be used at work. Such technologies should be tailored to the particular needs and work conditions of truck drivers, and if found useful, could be later on extended to other types of shift workers. Further research on the acceptances and benefits of the health technology services will be needed once it is being offered and used by the drivers.
EIT, European Institute of Innovation and Technology; HGV, heavy goods vehicle; UK, United Kingdom.
We would like to thank the participants to this study. We would also like to thank Adrian King (Strategia Group, London) for providing us with advice on which companies to contact.
This study was partially funded by EIT Digital Health and Wellbeing Activity 14036 “Phaser” in 2014. This independent research was also in part funded by the National Institute for Health Research (NIHR) under the Collaborations for Leadership in Applied Health Research and Care (CLAHRC) programme for North West London. The views expressed in this publication are those of the author(s) and not necessarily those of EIT Digital, the NHS, the NIHR or the Department of Health. Neither the funders nor our collaborators influenced the design and conduct of the study, and none of them had a role in the analysis and write-up.
Availability of data and materials
Data and all other materials for this study are kept at the Department of Primary Care and Public Health at Imperial College London. Anyone who wishes to have further information is welcome to contact the Principal Investigator (firstname.lastname@example.org) who will then consider whether the request is in line with the obtained ethical approval.
RG coordinated the study, designed the study protocol, recruited the participants, facilitated the focus groups, transcribed the data, analysed the data and drafted the manuscript. EB coordinated the study, designed the study protocol, recruited the participants, facilitated the focus groups, transcribed the data, analysed the data and drafted the manuscript. CPW assisted in study design, obtained ethics approval, helped in data interpretation and reviewed the manuscript. ERS participated in the literature research. GG assisted in study design, supervised the qualitative analysis, helped in data interpretation and reviewed the manuscript. AM initiated the study, was responsible for obtaining funds, and reviewed the manuscript. JC initiated the study, was responsible for obtaining funds, and reviewed the manuscript. PAW initiated and supervised the study, obtained ethics approval and reviewed the manuscript. All authors read and approved the final manuscript.
In 2014, we were collaborating with Philips Research, Telecom Italia (Joint Open Lab, Pisa) and Scuola Superiore Sant’Anna to co-design a health promotional service for professional drivers. This activity was funded by the European Institute of Innovation and Technology (EIT) Digital, under the Health and Wellbeing Action line ‘Personal health and wellbeing self-management services (PHASER)’ Activity (ID 14036). The current study was part of this EIT Digital activity that aimed to improve health and wellbeing of professional drivers, and had also a partially commercial nature. After exploring general perceptions on wearable devices and health promotional services that we described in this manuscript, we asked drivers about their perception of the proposed design of the specific product (which we do not present in this manuscript). This was declared in the information sheets, in the informed consent sheet and during the focus groups. We continue collaborating with industrial partners and EIT Digital to improve health and wellbeing of truck drivers.
Consent for publication
Ethics approval and consent to participate
The study was approved by the Imperial College Research Ethics Committee (Ref: 14IC2246). The participants were compensated by £20 vouchers upon the completion of the interview. The participants deliberately chose to participate in the focus groups. We received written informed consent from the study participants.
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