ObjectiveTo evaluate the effectiveness of reminder letters informed by social normative theory (a type of ‘nudge theory’) on uptake of seasonal influenza vaccination by front-line hospital staff.DesignIndividually randomised controlled trial.SettingA large acute care hospital in England.ParticipantsFront-line staff employed by the hospital (n=7540) were randomly allocated to one of four reminder types in a factorial design.InterventionsThe standard letter included only general information directing the staff to take up the vaccine. A second letter highlighted a type of social norm based on peer comparisons. A third letter highlighted a type of social norm based on an appeal to authority. A fourth letter included a combination of the social norms.Main outcome measureThe proportion of hospital staff vaccinated on-site.ResultsVaccine coverage was 43% (812/1885) in the standard letter group, 43% (818/1885) in the descriptive norms group, 43% (814/1885) in the injunctive norms group and 43% (812/1885) in the combination group. There were no statistically significant effects of either norm or the interaction. The OR for the descriptive norms factor is 1.01 (0.89–1.15) in the absence of the injunctive norms factor and 1.00 (0.88–1.13) in its presence. The OR for the injunctive norms factor is 1.00 (0.88–1.14) in the absence of the descriptive norms factor and 0.99 (0.87–1.12) in its presence.ConclusionsWe find no evidence that the uptake of the seasonal influenza vaccination is affected by reminders using social norms to motivate uptake.
Background: Helping adults and children develop better hygiene habits is an important public health focus. As infection causing bacteria can live on one's body and in the surrounding environment, more effective interventions should simultaneously encourage personal-hygiene (e.g. hand-hygiene) and environmental-disinfecting (e.g. cleaning surfaces). To inform the development of a future multi-faceted intervention to improve public health, a systematic literature review was conducted on behavior change interventions designed to increase hand-hygiene and environmental-disinfecting in settings likely to include children. Methods: The search was conducted over two comprehensive databases , Ebsco Medline and Web of Science, to locate intervention studies that aimed to increase hand-hygiene or environmental-disinfecting behavior in settings likely to include children. Located article titles and abstracts were independently assessed, and the full-texts of agreed articles were collaboratively assessed for inclusion. Of the 2893 titles assessed, 29 met the eligibility criteria. The extracted data describe the Behavior Change Techniques (version 1) that the interventions employed and the interventions' effectiveness. The techniques were then linked to their associated theoretical domains and to their capability-opportunity-motivation (i.e., COMB model) components, as described in the Behavior Change Wheel. Due to the heterogeneity of the studies' methods and measures, a meta-analysis was not conducted. Results: A total of 29 studies met the inclusion criteria. The majority of interventions were designed to increase hand-hygiene alone (N = 27), and the remaining two interventions were designed to increase both hand-hygiene and environmental-disinfecting. The most used techniques involved shaping knowledge (N = 22) and antecedents (N = 21). Interventions that included techniques targeting four or more theoretical domains and all the capabilityopportunity-motivation components were descriptively more effective. Conclusions: In alignment with previous findings, the current review encourages future interventions to target multiple theoretical domains, across all capability-opportunity-motivation components. The discussion urges interventionists to consider the appropriateness of interventions in their development, feasibility/pilot, evaluation, and implementation stages. Registration: Prospero ID-CRD42019133735.
Objectives: Hospital board members are asked to consider large amounts of quality and safety data with a duty to act on signals of poor performance. However, in order to do so it is necessary to distinguish signals from noise (chance). This article investigates whether data in English NHS acute care hospital board papers are presented in a way that helps board members consider the role of chance in their decisions.Methods: Thirty English NHS trusts were selected at random and their board papers retrieved.Charts depicting quality and safety were identified. Categorical discriminations were then performed to document the methods used to present quality and safety data in board papers, with particular attention given to whether and how the charts depicted the role of chance, i.e., by including control lines or error bars.Results: Thirty board papers were sampled, containing a total of 1488 charts. Only 88 (6%) of these charts depicted the role of chance, and only 17 of the 30 board papers included any charts depicting the role of chance. Of the 88 charts that attempted to represent the role of chance; 16 included error bars and 72 included control lines. Only six (8%) of the 72 control charts indicated where the control lines had been set (e.g., 2 vs 3 SD's). Conclusions:Hospital board members are expected to consider large amounts of information.Control charts can help board members distinguish signals from noise, but often boards are not using them. We discuss demand-and supply-side barriers that could be overcome to increase use of control charts in healthcare. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 representing the play of chance in charts and how they may be overcome. 12 NHS Hospital Boards Classification of chart presentation methods 26Line and bar charts. 27Line and bar charts are the most commonly chosen presentation methods.[5] Line charts 28 better highlight trends across time and bar charts differences between discrete groups (e.g., including reference indicators, as we now describe. 32Reference indicators that do not depict the role of chance. 33Reference indicators are any features of a chart, that helps the user interpret the data. 34Reference indicators may indicate a standard that is external to the data, e.g., a regulator may pre-set thresholds.[7] Examples of such charts are in Figure 1A and 1B. Reference indicators that 38 indicate trends (e.g., lines of best fit) reveal patterns internal to the structure of the data. 39Examples of such charts are in Figure 2A and 2B. Neither of these reference indicators depicts 40 the role of chance. 41Reference indicators depicting the role of chance. 42There are at least two commonly used types of reference indicators that depict the role of The horizontal axis for charts making comparisons between groups can be arranged such 56 that data representing the group wi...
Colour relationalism holds that the colours are constituted by relations to subjects. Anti-relationalists have claimed that this view stands in stark contrast to our phenomenally-informed, pre-theoretic intuitions. Is this claim right? Cohen and Nichols’ recent empirical study suggests not, as about half of their participants seemed to be relationalists about colour. Despite Cohen and Nichols’ study, we think that the anti-relationalist’s claim is correct. We explain why there are good reasons to suspect that Cohen and Nichols’ experimental design skewed their results in favour of relationalism. We then run an improved study and find that most of our participants seem to be anti-relationalists. We find some other interesting things too. Our results suggest that the majority of ordinary people find it no less intuitive that colours are objective than that shapes are objective. We also find some evidence that when those with little philosophical training are asked about the colours of objects, their intuitions about colour and shape cases are similar, but when asked about people’s colour ascriptions, their intuitions about colour and shape cases differ
Background. This study explores the potential for behavioural economics techniques called 'nudges' to encourage the use of HIV pre-exposure prophylaxis (PrEP) by overseas-born men who have sex with men (MSM) in Australia. We investigated the preferences of overseas-born MSM for different nudges and the effect of nudges on reported likelihood of seeking information about PrEP. Methods. We conducted an online survey of overseas-born MSM, in which they were asked: (1) how likely they and a relevant friend would be to click on PrEP advertisements that used behavioural economics strategies; and (2) what they most and least liked about each ad. We conducted ordered logistic regression of reported likelihood scores against participant age and sexual orientation, use of a model in an advertisement, use of statistics about PrEP, reference to the World Health Organization (WHO), rewards for seeking further information, and use of a call-to-action. Results. Participants (n = 324) reported higher likelihoods of clicking on advertisements with images of people, statistics about PrEP, rewards for seeking further information, and calls-to-action. They reported lower likelihoods of clicking on advertisements referencing the WHO. They had negative emotional responses to sexualised humour, gambling metaphors, and the slogan 'Live Fearlessly'. Conclusions. Overseas-born MSM prefer public health messages that feature representative messengers and statistics about PrEP. These preferences are consistent with previous data on descriptive norms (i.e. statistics about the number of peers doing the desired behaviour) and gain-framed information (i.e. focusing on what can be gained from an intervention).
Background: Within the United Kingdom's National Health System (NHS), patients suffering from obesity may be provided with bariatric surgery. After receiving surgery many of these patients require further support to continue to lose more weight or to maintain a healthy weight. Remotely monitoring such patients' physical activity and other healthrelated variables could provide healthworkers with a more 'ecologically valid' picture of these patients' behaviours to then provide more personalised support. The current study assesses the feasibility of two smartphone apps to do so. In addition, the study looks at the barriers and facilitators patients experience to using these apps effectively. Methods: Participants with a BMI > 35 kg/m 2 being considered for and who had previously undergone bariatric surgery were recruited. Participants were asked to install two mobile phone apps. The 'Moves' app automatically tracked participants' physical activity and the 'WLCompanion' app prompted participants to set goals and input other healthrelated information. Then, to learn about participants' facilitators and barriers to using the apps, some participants were asked to complete a survey informed by the Theoretical Domains Framework. The data were analysed using regressions and descriptive statistics. Results: Of the 494 participants originally enrolled, 274 participants data were included in the analyses about their activity pre-and/or post-bariatric surgery (ages 18-65, M = 44.02, SD ± 11.29). Further analyses were performed on those 36 participants whose activity was tracked both pre-and post-surgery. Participants' activity levels pre-and post-surgery did not differ. In addition, 54 participants' survey responses suggested that the main facilitator to their continued use of the Moves app was its automatic nature, and the main barrier was its battery drain. Conclusions: The current study tracked physical activity in patients considered for and who had previously undergone bariatric surgery. The results should be interpreted with caution because of the small number of participants whose data meet the inclusion criteria and the barriers participants encountered to using the apps. Future studies should take note of the barriers to develop more user-friendly apps. Trial registration: ClinicalTrials.gov-NCT01365416 on the 3rd of June 2011.
Outcomes after solid organ transplantation continue to improve, but premature loss of life remains a major concern, with death from cerebrovascular disease and cardiovascular disease accounting for around 20% late deaths. There are multiple contributory factors including preexisting, and the posttransplant development of, cardiometabolic conditions (such as hypertension, diabetes mellitus, hyperlipidemia, and obesity). There is accumulating evidence that the regular engagement in exercise is an important factor affecting outcomes before, during, and after transplantation; yet most waitlist candidates and recipients have reduced levels of physical activity. The mechanisms whereby physical activity is associated with better outcomes and a reduction in risk factors for cardiovascular disease are incompletely understood. Attempts to increase physical activity in the transplant population, as in the general population, have had limited success. Use of concepts from Nudge theory provides an evidence-based approach that may help increase physical activity and so reduce premature mortality. Both National and International Transplant Games provide a vehicle for increasing physical activity in this population and may also help to reduce premature death by providing a forum for mutual support for recipients and their families as well as an excellent forum for highlighting the success and impact of organ donation.
Background: The benefits of medication optimization are largely uncontroversial but difficult to achieve. Behavior change interventions aiming to optimize prescriber medication-related decisions, which do not forbid any option and that do not significantly change financial incentives, offer a promising way forward. These interventions are often referred to as nudges.Objective: The current systematic literature review characterizes published studies describing nudge interventions to optimize medication prescribing by the behavioral determinants they intend to influence and the techniques they apply.Methods: Four databases were searched (MEDLINE, Embase, PsychINFO, and CINAHL) to identify studies with nudge-type interventions aiming to optimize prescribing decisions. To describe the behavioral determinants that interventionists aimed to influence, data were extracted according to the Theoretical Domains Framework (TDF). To describe intervention techniques applied, data were extracted according to the Behavior Change Techniques (BCT) Taxonomy version 1 and MINDSPACE. Next, the recommended TDF-BCT mappings were used to appraise whether each intervention applied a sufficient array of techniques to influence all identified behavioral determinants.Results: The current review located 15 studies comprised of 20 interventions. Of the 20 interventions, 16 interventions (80%) were effective. The behavior change techniques most often applied involved prompts (n = 13). The MINDSPACE contextual influencer most often applied involved defaults (n = 10). According to the recommended TDF-BCT mappings, only two interventions applied a sufficient array of behavior change techniques to address the behavioral determinants the interventionists aimed to influence.Conclusion: The fact that so many interventions successfully changed prescriber behavior encourages the development of future behavior change interventions to optimize prescribing without mandates or financial incentives. The current review encourages interventionists to understand the behavioral determinants they are trying to affect, before the selection and application of techniques to change prescribing behaviors.Systematic Review Registration: [https://www.crd.york.ac.uk/prospero/], identifier [CRD42020168006].
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