How did the public respond to the 2015 expert consensus public health guidance statement on workplace sedentary behaviour? A qualitative analysis
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In June 2015, an expert consensus guidance statement was published recommending that office workers accumulate 2–4 h of standing and light activity daily and take regular breaks from prolonged sitting. This paper describes public responses to media coverage of the guidance, so as to understand public acceptability of the recommendations within the guidance, and perceptions of sitting and standing as health behaviours.
UK news media websites that had reported on the sedentary workplace guidance statement, and permitted viewers to post comments responding to the story, were identified. 493 public comments, posted in a one-month period to one of six eligible news media websites, were thematically analysed.
Three themes were extracted: (1) challenges to the credibility of the sedentary workplace guidance; (2) challenges to the credibility of public health; and (3) the guidance as a spur to knowledge exchange. Challenges were made to the novelty of the guidance, the credibility of its authors, the strength of its evidence base, and its applicability to UK workplaces. Public health was commonly mistrusted and viewed as a tool for controlling the public, to serve a paternalistic agenda set by a conspiracy of stakeholders with hidden non-health interests. Knowledge exchanges focused on correcting others’ misinterpretations, raising awareness of historical or scientific context, debating current workplace health policies, and sharing experiences around sitting and standing.
The guidance provoked exchanges of health-promoting ideas among some, thus demonstrating the potential for sitting reduction messages to be translated into everyday contexts by lay champions. However, findings also demonstrated confusion, misunderstanding and misapprehension among some respondents about the health value of sitting and standing. Predominantly unfavourable, mistrusting responses reveal significant hostility towards efforts to displace workplace sitting with standing, and towards public health science more broadly. Concerns about the credibility and purpose of public health testify to the importance of public engagement in public health guidance development.
KeywordsSedentary behaviour Sitting Physical activity Public engagement Psychology Qualitative Thematic analysis
British Broadcasting Corporation
Bovine spongiform encephalopathy
Measles, mumps and rubella
While the health benefits of physical activity have been recognised for many years [1, 2], an emerging literature suggests that sedentary behaviour – activity done while seated or lying down, with energy expenditure of 1.5 metabolic equivalents or less  – may present a health risk independent of physical activity [4, 5, 6, 7, 8]. Prolonged sitting time has been associated with physical and mental health conditions, such as metabolic syndrome, heart disease and depression, even when controlling for physical activity levels [4, 5, 6, 7, 8]. Displacing sitting with standing or light activity may mitigate detrimental health effects [9, 10, 11, 12]. Western lifestyles are highly sedentary ; objective data show that, on average, US and UK adults spend approximately 60–70% of their waking hours in sedentary activity . Of particular concern are office workers, who typically spend around two-thirds of the working day seated [15, 16], accumulating as much as 10.5 h of sitting per waking day .
Sedentary behaviour has thus emerged as a ‘new’ and prevalent behaviour of public health concern. Several national physical activity guidelines offer sedentary behaviour guidance [18, 19, 20], but recommendations have been broad, proposing that people of all ages minimise sitting time and take regular breaks from sitting. Such guidelines reflect the infancy of the evidence base, which in the early 2010s was based almost solely on observational studies . Since then, smallscale exploratory intervention trials have shown encouraging associations between reducing or breaking up sitting time and health markers, such as lowered postprandial glucose excursion, oxidative stress, and fatigue [10, 11, 22, 23].
In June 2015, in response to advances within the evidence base, an expert consensus statement was published in the British Journal of Sports Medicine (BJSM), offering specific guidance for minimising sedentary office work . Drawing on a quality-weighted synthesis of extant empirical research, the guidance recommends that desk-based workers aim to initially accumulate a total of 2 h/day of standing and light activity at work, progressing to 4 h/d (prorated to part-time hours ). It also proposes that seated work be regularly interrupted with standing work, use of sit-stand desks, or short ‘active standing’ breaks ( p1357). The statement was written by seven UK academics – with expertise in exercise physiology, ergonomics, sports and exercise science, and epidemiology – and the director of a national UK campaign to promote workplace standing.
The 2015 sedentary workplace guidance statement met with considerable public interest. Altmetric statistics, which collate online activities relating to a research output , show that (as of May 2016) the guidance has been reported on by 59 news outlets internationally . Public responses to the guidance warrant close qualitative analysis, for two reasons. First, they may indicate the acceptability of its recommendations, and of workplace sitting reduction efforts more broadly. Acceptability can influence effectiveness of public health initiatives; implementation of publicly-unacceptable recommendations is unlikely to be politically or practically feasible. Acceptability of health promotion interventions among key stakeholders – for example, the willingness of desk-based office workers to comply with recommendations to stand for 2-4 h/d and take regular standing breaks – is thus central to the likelihood of improving health [27, 28]. Second, public reception of the guidance may reveal lay beliefs around sedentary behaviour, which could inform development of sedentary reduction interventions that better acknowledge such beliefs . Qualitative analysis in particular permits exploration of the content of beliefs, which may serve to effectively inform sedentary reduction policy and practice [30, 31, 32]. Additionally, given that sedentary behaviour has only recently been recognised as a health concern within the scientific community , the general public may be largely unaware that sitting has potential health consequences over and above physical activity.
The present study used qualitative methods to describe comments from the general public posted online in response to media coverage of the 2015 sedentary office guidance statement. Our aim was to document how the guidance was received, so as to understand the acceptability of the recommendations it made, and public perceptions of sitting and standing as health behaviours.
Data were posts on websites of UK news media outlets (newspapers, television broadcasters, online news) publicly made in response to a news item about the 2015 sedentary workplace guidance statement. All such news items were found to have been posted on 2nd June 2015, the publication date of the guidance. All news items were, we assume, based on a press release, which was written by the authors of the guidance . All sources were searched (by LS) on 1st July 2015.
Public comments posted on news media websites in response to UK media coverage of standing consensus statement
News media source
No. of posts
Non-newspaper news websites
Searches were conducted of websites of five major non-newspaper UK media outlets: British Broadcasting Corporation (BBC), Independent Television (ITV), Microsoft Network (MSN), Channel 4, and Sky News. Two of these (ITV, MSN) reported on the sedentary workplace guidance, but no public responses were posted.
Description of media reports to which posts responded
The original news reports to which the public responded covered: from the press release that accompanied the sedentary workplace guidance paper , the potential health impact of sitting (specific morbidities cited in five reports; premature death cited in four reports), and recommendations for 2–4 h standing (all five reports); a caveat about the dangers of prolonged static standing, from the same press release  (three reports; theguardian.com, mail.co.uk; telegraph.co.uk); an additional interview with one or more of the authors of the guidance, reinforcing the health risks of sitting (two reports; theguardian.com, independent.co.uk); an interview with the deputy director for health and wellbeing from Public Health England, who urged that further research be undertaken before daily targets for workplace activity are recommended (three reports; theguardian.com, independent.co.uk, express.co.uk); an interview with the Chair of the Royal College of General Physicians, who stated that employers have a responsibility to should safeguard employees’ health (one report; theguardian.com); and one interview with a representative of the Confederation of British Industry, who urged that “time spent away from the desk be balanced with the needs of the business” (one report; theguardian.com).
Data cleaning and analysis
Each comment was extracted in full. Of the 573 comments, four were duplicates, and 76 were deemed irrelevant (e.g. responded exclusively to images used to accompany the news report) or otherwise unintelligible and so could not be coded. The final dataset thus comprised 493 eligible comments. These were analysed using Thematic Analysis, based on realist epistemological assumptions [35, 36].
Analysis followed a six-stage process , involving: data familiarisation; coding; theme extraction; theme review; theme naming; and narrative analysis. All three authors were involved in analysis, to confer the benefits of the multidisciplinary make-up of the team, which brought together conceptual and methodological knowledge from social and health psychology (BG), epidemiology and sports and exercise science (LS), and sociology (LM). For quality purposes and data checking, all authors independently read and reread all comments for familiarisation purposes and to note any initial points of analysis. A preliminary, inductively-derived thematic framework was constructed at a face-to-face meeting between all authors to enable a detailed coding process, and theme extraction, to be undertaken by all authors independently. Coding and theme extraction involved assigning conceptual labels to ‘events’ within the data, with multiple labels assigned to a single comment where appropriate. For analysis purposes, multiple comments from one user were treated as a single comment, to avoid over-representation of individual views. Where posts responded to previous comments, conceptual labels were assigned to a cluster of comments where the clustering was deemed meaningful and pertinent to our research question. Coded data items were collated with relevant extracts so that a review of themes could be conducted. Theme review was undertaken by BG to refine the thematic framework. This involved identifying links between conceptual labels and higher-order themes, and constantly refining the labels, themes and framework to best reflect and organise emergent insights. Naming themes, undertaken by BG, involved development of a detailed definition and analysis of theme content, and identification of concise theme labels. LM and LS inspected the final coding framework and data extracts, and verified that themes were valid and coherent representations of the data, and that theoretical saturation had been reached (Additional file 1). We intended to deal with disagreements through discussion, but no notable disagreements arose at any stage of analysis.
Quotes are provided as evidence of the validity of our analysis . All quotes presented below are from different commentators. Punctuation was added to unambiguous quotes, spelling mistakes corrected, and where necessary, words added in square brackets to clarify intended meaning.
Three themes were extracted: (1) challenges to the credibility of the sedentary workplace guidance, (2) challenges to the credibility of public health, and (3) the guidance as a spur to knowledge exchange. The former two themes focused on commentators’ trust in public health science, and the latter on commentators acting as ‘citizen scientists’ by debating issues and sharing ideas inspired by the sedentary workplace guidance.
Theme 1: Challenges to the credibility of the sedentary workplace guidance
Four aspects of the guidance were challenged: its novelty, the credibility of its authors, the strength of the evidence underpinning it, and its real-world applicability.
Many comments used humour, commonly to reflect either the perceived absurdity or perceived common-sense nature of the guidance (‘scientists have discovered that the more birthdays you have, the longer you live’; telegraph.co.uk). Others adopted a more serious tone to question whether the idea of reducing sitting time for health reasons was novel (“the [Health and Safety Executive] has been recommending regular breaks from your desk for as long as I can remember”; dailymail.co.uk).
The University of Chester [affiliation of first author of the consensus statement] does not have a medical department so the authors emanating from there are not doctors. (dailymail.co.uk)
We have had workers in sedentary occupations for years, yet we never saw an obese person in the 1950s and diabetes was rare. However, the graphs for the increase in sugar sales exactly match those for the increases in sugar and sucrose sales over the years. […] This has to be connected with food. (dailymail.co.uk)
Several commentators questioned the comprehensiveness of current evidence, as they felt that the guidance neglected evidence of the negative health impact of standing, such as the risk of varicose veins.
“Research has long linked excessive time spent sitting to increased risk of morbidity” and “standing still for prolonged periods of time also carries health risks”. OMG [oh my god]. (theguardian.com)
Many commentators highlighted settings in which they felt the guidance could not feasibly be applied, such as where employers do not permit regular breaks, or physical or social environments not conducive to standing and moving. Others felt a ‘one size fits all’ guideline for office sitting and standing was unfair. Some believed the guidance would in practice only be voluntarily adopted by those already motivated to reduce sitting time and be active, thus “preaching to the converted” (theguardian.com) and failing to target those who sit most. Others felt the guidance discriminated against those physically unable to stand (“what if they are disabled or ill? This is total nonsense”; the guardian.com), or whose occupation necessitates sitting. Several commentators sought to exempt themselves from the guidance by appealing to the nature of their occupation in this way (“I would love to have a stand up desk, but as a transcriber, it’s impossible”; dailymail.co.uk), or by dissociating themselves from what they perceived to be the prototypical sedentary office worker targeted by the guidance (“I work in an office, but … I don’t sit on my butt all day”; dailymail.co.uk). Others reported that their occupation required them to stand for longer than four hours, so felt discriminated against as they would not derive benefit from mandatory breaks from sitting.
[The assumption] that the choice of moving or not moving, walking, or emailing, or going to meet a co-worker instead, are matters of choice over which the employee has control – blame the victim – … is simply not true any longer in most of today’s offices. (theguardian.com)
Too frequent use of toilet facilities can get you ‘written up’ [i.e. reported to management], and/or being followed to the toilet to see what you are up to, and/or being told that you need to see a doctor to ‘correct’ this problem of frequent use. (theguardian.com)
Several comments portrayed employers as hostile to the needs, priorities and working conditions of employees, often using slavery imagery (“they chain you to a desk 8 hours a day”;theguardian.com), or invoking social class conflict (“employers demand their pound of flesh and operate a caste system”; dailymail.co.uk). Some predicted resistance from employers towards implementing the guidance for these reasons (“they will just lobby the government to make sure no such legislation exists”; theguardian.com). Conversely, others felt the guidance could be used by employers to legitimise perpetuation of unfavourable working conditions (“how about reducing working hours so people aren’t stuck at their desks for most of the day?”; theguardian.com).
Theme 2: Challenges to the credibility of public health
Here we go again with the latest health scare. It’s amazing what they come up with to scare people. (dailymail.co.uk)
Think about it! The quoted problems did not exist ten years ago. The truth is this is yet another unnecessary fad being introduced by the medical profession. […] Good for sales of seat-less desks though! Someone is cashing in! (dailymail.co.uk)
Others suspected that the sitting guidance was developed to allow employers to exercise control over workers, limiting personal freedom and maximising productivity while preserving the status quo of the social class system (“bogus, management serving research. Just one more way to frighten and control the workforce”; theguardian.com).
Tomorrow read how sitting for long periods is good for the heart and soul. (dailymail.co.uk)
First post: I leave the office for a smoke every hour or so. Takes about 300 steps of walking. Reply: Great! That means you only have to smoke 34 a day to pass the government target of 10,000 steps every 24 hours. Keep it up! (theguardian.com)
Theme 3: The guidance as a spur to knowledge exchange
Many commentators acted as ‘citizen scientists’ by sharing knowledge related to the sedentary workplace guidance, or entering into exchanges with other commentators. These comments variously sought to debate the credibility of challenges to the guidance, raise awareness of the historical, scientific or policy context of workplace sitting, and share experiences of sitting and standing, and ways to best adhere to the guidance.
First post: Nonsense. […] I like sitting so I will sit. Reply: Of course it must be nonsense if the research says something you don’t want to hear. (theguardian.com)
First post: But surely this only applies to the sedentary majority? If you run 15 miles a week I’m sure sitting down all day doesn’t matter. Reply: Actually, I don’t think this is true. Apparently you simply cannot run or walk enough to make up for the harm done by sitting over 8 hours a day. (theguardian.com)
Many comments were didactic, aimed at sharing knowledge of the history of sedentary office practices, or sharing purported evidence, not included in the news item, about the mechanisms or consequences of sitting in relation to health (“a chair which is too low in relation to the desk … can cause pain to the shoulders and neck, and give headaches’; theguardian.com). Several comments shared propositions for alternative workplace policies more conducive to movement and health, or cited examples of more “enlightened” workplace practice from other countries (“in Sweden they all have desks that allow them to stand as well as sit”; theguardian.com), usually as a means of criticising workplace policy.
Many commentators endorsed the guidance by sharing personal anecdotes recounting benefits to health and wellbeing accrued from standing in the workplace, or detriments of prolonged sitting. Others offered cautionary stories of ill-health arising from standing still for long periods (“don’t plan on standing still at a standing desk all day. That’ll hurt ya”; theguardian.com).
Several comments offered tips for employees or employers on how to displace sitting with standing in the workplace, such as by using less comfortable seats (“some chairs encourage you to be still and tend to ‘trap’ you in them”; dailymail.co.uk), or, more commonly, sit-stand desks. While some endorsed commercially available options, several exchanges centred on inexpensive makeshift sit-stand desks, providing detailed specifications of what component parts to buy, and from where. Some comments offered tips for standing (“check out the flooring first. It causes…damage to backs, legs and knees”; dailymail.co.uk).
At least once an hour I will … run the four flights to the top of the building before sailing back down again. People look at me in a way that would suggest I’m a blithering idiot. […] Feels good. (theguardian.com)
Several comments endorsed walking as a minimal activity required to sustain health and wellbeing (“my brain stops unless I can walk around a bit every hour or two”; theguardian.com), and one listed activities conducive to walking within the prototypical workplace (e.g. “use the copier, drink water from the water fountain, go and speak to people rather than call/email them”; theguardian.com).
First post: Someone once told me that … if we leave the room for anything, carry a paper or a notebook and you will be ignored. [On the other hand,] walk around aimlessly and someone will want to know what you are up to. Reply: Good idea – I will definitely try that. (theguardian.com)
Public responses to an expert consensus guidance statement, which recommended that office workers accumulate 2–4 h/day of standing and light activity at work and regularly interrupt sitting with standing , were categorised into three themes. Responses questioned the credibility of the guidance statement, or of public health more broadly, or exchanged ideas around workplace sitting and standing, inspired by the guidance statement. These findings offer insights that may inform development of publicly acceptable sedentary behaviour reduction interventions specifically, and public health guidelines more broadly.
Public responses to the sedentary workplace guidance statement provide an insight into lay perspectives on sedentary behaviour. Some people posted comments endorsing and verifying the benefits of standing at work, and sharing tips on how to increase standing time. Others, however, demonstrated misconceptions of the health impact of sitting, with several respondents assuming that the detrimental impact of prolonged sitting could be offset by physical activity during lunchbreaks or outside of working hours. A growing literature suggests this is not the case; sedentary behaviours are associated with cardiovascular disease, cardiovascular disease risk factors, and mortality after statistical adjustment for moderate-to-vigorous intensity physical activities [5, 7, 38, 39, 40]. Some responses queried the comprehensiveness of the evidence base underpinning the guidance statement, with many suggesting that standing incurs its own health risks. Such concerns are not unfounded; prolonged standing at work increases the risk of varicose veins [41, 42, 43]. However, the dangers of static standing were acknowledged in the expert consensus statement, which noted that ‘prolonged, static, standing postures [should] be avoided’ (, p1360). Health risks of static standing were mentioned in three of the six media reports to which responses were posted, but this was seen as confusing by many respondents, who perceived it to contradict the message that workers should stand more and sit less. This speaks to the importance of unambiguous communication of public health messages – in this case, that sitting should be displaced not with prolonged static standing, but rather with standing and light physical activity . Together, these findings demonstrate the potential for confusion, misunderstanding and misapprehension among the lay public about the health impacts of sitting and standing. Changing the behaviour of any individual requires that the individual has sufficient motivation to change . Interventions to reduce sedentary behaviour should seek to increase motivation by clearly communicating the health relevance of sitting, standing and light physical activity, in language easily understood by a general public that may lack sufficient interest to process nuanced messages discerning static and ‘active’ standing . Such interventions might also present evidence to tackle potential disbelief in the health value of displacing sitting with standing .
Many responses showed scepticism of the feasibility of implementing the recommendations of the consensus statement within the workplace. Several respondents expected that their own employers would be unwilling to adopt strategies to protect employee health if it involved purchasing expensive sit-stand workstations, or promoting standing breaks that could adversely affect worker productivity. Organisational support is important for implementation of workplace health guidelines; while, in some workplaces, individual employees may freely make personal decisions to stand and move more in line with the guidelines, effective reduction of sitting and promotion of standing and activity in the workplace will realistically depend on support from senior management [46, 47]. Managers should recognise the importance of employee health and wellbeing to business performance . Engagement in physical activity can boost work performance and reduce sick leave . Promoting standing in the workplace need not be financially costly; while many interventions have reduced sitting time via provision of sit-stand workstations, less costly behaviour change strategies, such as educating employees on the health impact of sitting, and encouraging self-monitoring of sitting time, have also shown promise for reducing sitting . From a psychological perspective, the workplace represents an ideal setting to implement health initiatives . The routinized nature of much office work increases the likelihood that health-promoting practices adopted within the workplace will become habitual, through learned associations between health actions (e.g. standing) and stable environmental cues within the workplace [51, 52]. It is of course impossible to verify our respondents’ claims about the acceptability of sitting reduction efforts within their own workplaces. Our data may rather reflect unrealistic employee perceptions of management responses to the guidance. Employee cynicism towards workplace policy arises from perceptions of senior management as lacking in integrity, competence, or trustworthiness . Indeed, some comments within our dataset indicated a lack of trust in employers to protect employee health, with many viewing employers as engaging in public health efforts to serve ulterior motives such as minimising costs, and exerting greater control over employees. Effective implementation of employee health initiatives, such as campaigns to reduce sitting, will likely require taking into account the complex, interlinked systems of employees’ needs, working cultures, and organisational structures .
We documented instances of acceptance and of rejection of the sedentary workplace guidance. Some respondents appeared acceptant of the potential health benefits of reducing sitting and increasing standing, and posted messages to engage in an exchange of ideas on how to implement the guidance. This demonstrates the potential for public health guidance to be championed by ‘citizen public health scientists’, who reconstruct and translate it into everyday social contexts . In contrast, however, many other respondents challenged the guidance, some using examples of apparently non-credible previous health messages to discredit the sedentary behaviour statement. This demonstrates the broader, historical context in which the public considers public health communications. UK public health campaigns may be disadvantaged due to well-documented British public health controversies that persist in the public consciousness . For example, doubts were raised over the safety of the combined measles, mumps and rubella (MMR) vaccine following a study, since retracted and discredited, that linked MMR vaccination with autism. Public unease persisted when the then-chief medical officer refused to sanction use of single vaccines , and the British Prime Minister refused to publicly state whether his son had received the MMR vaccine. Additionally, in 1996 the UK government announced a link between bovine spongiform encephalopathy (BSE) and variant Creutzfeld Jakobs Disease, despite repeated prior public statements that there was no link and that beef consumption was harmless. The BSE case in particular has been credited for leading to a ‘collapse’ in public trust in government-sponsored public health messages [55, 56], with suspicions raised that government colluded with industry to cover up a known health threat .
Mistrust presents a considerable challenge to public acceptance of public health messages. People cannot be expected to freely adhere to public health guidance on limiting sitting time where they do not view sitting time to be harmful, or lack confidence in the effectiveness of breaking up sitting for reducing such health risks . The mistrust observed within our dataset may at least partly be attributable to a lack of public engagement in the generation of the sedentary behaviour guidance statement, which was developed by academic experts alone . This approach to guidance development separates researchers and public health practitioners from the public . Some of the adverse responses that we documented, such as those reaffirming a commitment to sitting (e.g., ‘I like sitting so I will sit’), may represent attempts to resist influence from an outgroup (i.e., ‘academic experts’), to which the public believes it neither belongs nor shares its interests, priorities, or experiences. Other responses, by proposing counter-examples that contradicted the central message to sit less in the workplace, implicitly questioned the evidence synthesis process used to generate the sedentary behaviour consensus statement. Such concerns demonstrate the need for public involvement in the development of public health guidance, and greater transparency of the processes of identifying and synthesising the evidence base informing such guidance. Public involvement in guidance development allows for the integration of lay knowledge arising from lived experience , and may achieve greater acceptance among those most directly affected by such guidance. Public involvement is standard practice among many public health bodies, such as the National Institute for Health and Care Excellence .
Limitations of our study must be acknowledged. Our dataset comprises comments posted to news media websites, yet there are multiple online media through which the public can respond to public health messages, such as Twitter. We excluded tweets from analysis because the 140 character limit imposed by Twitter limits the richness of data, unlike limitless free-text entry forms on news websites. We excluded posts from other social media sites due to the resource-intensity of reliably and systematically identifying and synthesising all such posts. We do not, however, expect that views posted to news websites should systematically differ in their thematic content to those on other media.
It is unclear how representative the views of those who posted comments to news websites are of the general public. One US survey of over 2,000 adults found that online news consumers were likely to be younger, more educated, and have a higher income than others . The same survey also reported that only 25% of respondents had ever posted online comments about news stories . Additionally, people who actively contribute to discourse around workplace sedentary behaviour, or public health more broadly, may perhaps have greater interest in or more pronounced views on these topics than does the general public. For these reasons, we cannot establish whether the strength or content of views documented here are representative of the general public. Nonetheless, our data reveal important concerns that may act as barriers to acceptability of sitting reduction initiatives, and of public health communications more broadly, among the general public.
While we treated our data as responses to the sedentary workplace guidance statement, responses were made to secondary, media reports of the statement. While all five news reports that elicited public responses covered the two main recommendations of the guidance statement, some also reported the views of other stakeholders, such as a British industry spokesperson (one report), and a public health specialist not involved in developing the guidance (three reports). These additional views may have influenced public responses. However, while post-peer-review websites allow the public to post comments on scientific outputs, we deemed it unlikely that the lay public would engage with such sites. Additionally, many public health messages are effectively disseminated to the public via secondary media reports. We thus believe our data to represent valid and insightful responses to a public health guidance statement disseminated to them via regular channels.
Public responses to the 2015 expert consensus sedentary workplace guidance statement reveal important potential barriers to public acceptability of sitting time reduction in the workplace, and of public health more broadly. Sedentary behaviour reduction interventions should seek to discern and communicate clearly the evidence basis for the health impacts of sitting, standing, and physical activity. Greater public engagement in public health guidance development may perhaps assuage the challenges we documented to the credibility and motives of public health science and its stakeholders.
This work was supported by the Medical Research Council (grant number MR/N008979/1). The funding body had no role in the design of the study, nor collection, analysis or interpretation of data, nor in writing the manuscript or the decision to submit for publication.
Availability of data and materials
For legal reasons, the raw dataset cannot be made publicly available as part of the current manuscript. At the time of submission (October 2016), all media reports to which the public responded, and most of the public responses that constitute the dataset, remain publicly accessible at no cost via the URLs provided in Table 1.
BG conceived of the study, analysed the data, and drafted the manuscript. LS conducted the systematic search for data, and drafted sections of the manuscript. LM verified the validity of interpretations of the data. All authors independently conducted an initial stage of data coding, developed the thematic framework that informed the final analysis, amended early drafts of the manuscript, and approved the final submission.
All authors are co-investigators on a Medical Research Council grant with Prof John Buckley (co-investigator) and Gavin Bradley (collaborator), both of whom are authors of the sedentary office guidance statement to which data are responses. BG and LS are also co-investigators, and recent co-authors of publications, with Prof Mark Hamer, an author of the sedentary office guidance statement to which data are responses. Prof Buckley, Mr Bradley, and Prof Hamer had no input into the design of this study, nor collection, analysis or interpretation of data, nor writing the manuscript or the decision to submit for publication.
Consent for publication
Ethics approval and consent to participate
Consent to participate was not obtained because it was impractical to do so. All procedures described in this study were approved by King’s College London Research Ethics Office (ref MR/15/16-554).
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