The Erasmus+ EUMOVE project-a school-based promotion of healthy lifestyles to prevent obesity in European children and adolescents.

The aim of this study was to describe the goals, activities, and methods of EUMOVE project in developing a set of resources targeting both primary and secondary schools that allow the entire educational community to promote healthy lifestyles (HL). The EUMOVE project is an Erasmus+ program based in the Creating Active Schools (CAS) framework. The project lasted 3 years and was developed by 14 academic and non-governmental institutions from Spain, Portugal, France, Italy, and the UK. EUMOVE was divided into three phases. In the first phase, several work packages were carried out aimed to ensure the coordination/management of the project activities. In the second phase, seven educational resources strengthened by rigorous scientific research were developed to promote HL from schools. During the last phase, all the resources were disseminated through scientific seminars, workshops with families and teachers, and the online promotion by the non-governmental institutions of each country. The EUMOVE project developed and promoted a smartphone APP, video/activity repository of physically active lessons, active break virtual platform, learning units, and parent/teachers/school-leaders' guidelines to promote physical activity, active commuting, active school playgrounds, healthy diet, and sleep habits. To our knowledge, EUMOVE is the first European project to provide a set of practical tools based on scientific evidence to help schools or future school-wide interventions implement a paradigm shift based on the CAS framework for the promotion of HL. Future research will need to investigate the implementation, effectiveness, and scalability of this proposal.

Health promotion expectations and perceptions of sport club participants.

To develop health promotion (HP) in sports clubs (SCs), stakeholders need to know the HP expectations of sports participants. However, the literature does not provide information on these aspects, which exacerbates the difficulty for SCs to provide an environment, activities and organization that promote health and to play the role entrusted to them in the integration of vulnerable populations. To fill this gap, this study explores the HP expectations and perceptions of sports participants, with a particular focus on ethnocultural characteristics, and documents participants' understanding of HP. A descriptive qualitative study comprising semi-structured interviews was carried out with 22 French and Quebec sports participants. Because they have little experience with HP in their SC, participants do not seem to have many expectations of their SC in terms of HP. Nevertheless, they felt that SCs can play an important role in health and suggested several themes and types of action, such as seminars on nutrition, activities outside the SC to develop cohesion or health monitoring. Sports participants from ethnocultural minorities seem to appreciate the programs designed to integrate them. There is a predominantly physical conception of health and the contribution of SCs to health, and the relationship between the types of health determinants (economic, environmental, organizational and social) and health is not clear. This study shows that the idea of a health-promoting SC appeals to SC participants, but this approach has not yet taken root in this setting or in society as a whole.

Pilot study of a health promotion intervention in sports clubs / Étude pilote d'une intervention de promotion de la santé au sein de clubs de sport.

Sports clubs (SCs) are an ideal setting for promoting health. However existing health promotion (HP) interventions in SCs mainly target a single health behavior and men who do sports, and evaluations of such interventions provides little information about their deployment. To overcome these limitations, the PROSCeSS intervention was co-constructed based on the theoretical model of the health-promoting SC and multi-level, multi-determinant health strategies. The aim of this pilot study was to evaluate the deployment of the PROSCeSS intervention and identify the factors influencing its deployment. A qualitative study, using recordings of meetings, email and telephone exchanges, and interviews with project leaders of fourteen SC, was carried out. Although a low number of SCs had completed the intervention, they all considered that they have a role to play in helping their members maintain good health. Their ability to develop HP activities and to implement the intervention was influenced by the resources available, the support they received from their sports federation, and the ability of each project leader to get involved in the intervention. The SCs that deployed the intervention implemented several strategies enabling them to integrate health into the organizational, social, economic, and environmental habits of the SCs and to develop new HP activities, such as adapted sports activity sessions and activities to teach members about first aid, nutrition, and good practices for warming up. This study highlights the importance of understanding the specificities of the contexts in which HP interventions are deployed. Having led to a reworking of the intervention steps and the development of an appropriate evaluation design, it also highlights the essential role of pilot studies in the development and evaluation of interventions.

Le club de sport (CS) est un milieu de vie privilégié pour promouvoir la santé. Cependant, les interventions de promotion de la santé (PS) existantes dans les CS ciblent majoritairement un seul comportement de santé et des pratiquants sportifs masculins, et leurs évaluations renseignent peu leurs déploiements. Pour dépasser ces limites, l'intervention PROSCeSS a été co-construite à partir du modèle théorique du CS promoteur de santé et de stratégies multi-niveaux et multi-déterminants de santé. L'objectif de cette étude pilote était d'évaluer le déploiement de l'intervention PROSCeSS et d'identifier les facteurs influençant son déploiement. Une étude qualitative comprenant des enregistrements de réunions, des échanges par e-mails et par téléphone, et des entretiens avec les référents de 14 CS a été réalisée. Même si le nombre de CS qui sont allés au bout de l'intervention est faible, ceux-ci considèrent qu'ils ont un rôle à jouer dans la santé de leurs membres. Leur capacité à développer des activités de PS et à déployer les étapes de l'intervention est influencée par les ressources disponibles, le soutien qu'ils reçoivent de leur fédération sportive et la capacité d'un porteur de projet (référent) à s'impliquer. Les CS qui ont déployé l'intervention ont mis en place plusieurs stratégies qui leur permettent d'intégrer la santé dans les habitudes organisationnelles, sociales, économiques et environnementales du CS et de développer de nouvelles activités de PS, telles que des sessions d'activités sportives adaptées et des activités de sensibilisation à l'échauffement, à l'alimentation et aux gestes de premier secours. Cette étude montre qu'il est important de comprendre les spécificités des contextes dans lesquels les interventions de PS sont déployées. Parce qu'elle a conduit à retravailler les étapes de l'intervention et à développer un nouveau design d'évaluation, elle met en évidence le rôle essentiel des études pilotes pour le développement et l'évaluation des interventions.

A RE-AIM framework analysis of a sports club health promotion MOOC: the PROSCeSS MOOC.

Acquisition of health promotion (HP) skills and knowledge is essential for interventions development in this field. In sports clubs (SC), little HP training exists even though it was requested by SC actors. In response, the PROSCeSS (PROmotion de la Santé au sein du Clubs SportifS) MOOC (Massive Open Online Course) was developed to support actors of HP in the SC in the development of HP interventions. The present study evaluates the MOOC's effectiveness and learning process. The RE-AIM framework, measuring reach, effectiveness, adoption, implementation and maintenance was used to structure this study. Surveys were sent before and after the MOOC to the 2814 learners. Among the 502 (18%) respondents to the pre-survey, 80% reported belonging to a SC as a coach (35%) or manager (25%). The 14% of pre-survey respondents who completed the post-survey increased their HP knowledge score by 42% and their confidence to implement HP actions by 6%. Results present the strategies considered most important and feasible by the learners and the main barriers to the implementation of HP actions in the SC. This study shows that MOOC appears to be an appealing (93% of learners were satisfied) and effective solution (as long as it is followed) to develop HP knowledge and skills of SC actors in HP, meeting their needs and constraints. Although improvements should be made (especially in terms of promoting adoption), this type of educational format should be encouraged to support the HP potential of SC.

French validation of the e-PROSCeSS questionnaire: stakeholder perceptions of the health promoting sports club.

The health promoting sports club describes the development of the settings-based approach in sports clubs. Based on this model, a questionnaire was developed to measure health promotion perceptions in sports clubs (e-PROSCeSS). The objective of this study was to assess the psychometric properties of a French version of the e-PROSCeSS measurement tool. The questionnaire includes three scales measuring stakeholder's perceptions of club (macro), managers (meso) and coaches (micro) activities toward promoting health. Five steps were undertaken to assess perceptions. First, scales were translated into French. Second, each item's content clarity was tested in three populations: managers, coaches, sports participants. Third, descriptive statistics were analyzed for each scale. Fourth, confirmatory factorial analysis was used to select items for each level. Predictive validity found positive relationships between health promotion perceptions and managing/coaching positions, and negative relationships with drop-out intentions. Positive relationships were found between sports participants' perceptions of health promotion and their self-rated performance and quality of life, while negative relationships were detected with drop-out intentions. The French e-PROSCeSS subscales showed good psychometric properties in measuring health determinants at multiple levels. However, the tool did not measure health promotion as an overarching concept that questions its applicability in the sports club setting.

Health promoting sports clubs: from theory to intervention.

INTRODUCTION: Beyond the contribution of sports clubs to physical activity, an important health determinant, sports clubs can embrace the settings-based approach to health promotion, acting as health promoting sports clubs (HPSC). Limited research links the HPSC concept with evidence-driven strategies to provide guidance to develop HPSC interventions. METHODS: An intervention building a research system of the development of an HPSC intervention will be presented, including seven different studies, from literature review to intervention co-construction and evaluation. The different steps and their results will be presented as lessons learnt for settings-based intervention development. RESULTS: First, the evidence base showed a poorly defined HPSC concept, but 14 evidence-driven strategies. Second, concept mapping identified 35 sports clubs needs in regard to HPSC. Third, the HPSC model and intervention framework were designed using a participative research approach. Fourth, a measurement tool for HPSC was validated psychometrically. Fifth, capitalization of experience from eight exemplar HPSC projects was realized to test the intervention theory. Sixth, program co-construction was realized by involving sports club actors. Seventh, intervention evaluation was built by the research team. DISCUSSION: This HPSC intervention development is an example of building a health promotion program, implicating different types of stakeholders, and provide a HPSC theoretical model, HPSC intervention strategies, a program and toolkit, for sports clubs to implement health promotion and fully endorse their role in the community.

Costing the economic burden of prolonged sedentary behaviours in France.

BACKGROUND: There is strong evidence showing that sedentary behaviour time increase the risk to develop several chronic diseases and to premature death. The economic consequences of this risk have never been evaluated in France. The aim of this study was to estimate the economic burden of prolonged sedentary behaviour in France. METHODS: Based on individual sedentary behaviour time, relative risk to develop cardiovascular disease, colon cancer, breast cancer and all-causes of premature mortality were identified. From relative risk and prevalence of sedentary behaviour time, a population attributable fraction approach was used to estimate the yearly number of cases for each disease. Data from the National Health Insurance were used to calculate the annual average costs per case for each disease. Disease-specific and total healthcare costs attributable to prolonged sedentary behaviour time were calculated. Indirect costs from productivity loss due to morbidity and premature mortality were estimated using a friction cost approach. RESULTS: In France, 51 193 premature deaths/year appear related to a prolonged daily sedentary behaviour time. Each year prolonged sedentary behaviour cost 494 million € for the national health insurance. Yearly productivity loss due to premature mortality attributable to prolonged sedentary behaviour cost 507 million € and yearly productivity loss due to morbidity cost between 43 and 147 million €. CONCLUSION: Significant saving and many deaths could be avoided by reducing prolonged sedentary behaviour prevalence in France. To address this issue, strong responses should be implemented to tackle sedentary behaviour, complementary to physical activity promotion.

Development of the health promoting sports club-national audit tool.

BACKGROUND: Sports clubs have requested support from national governing authorities to invest in health promotion (HP), by developing policies, guidelines and dedicated funding. This article outlines the development of a national audit tool to review policies development and implementation to support HP in sports clubs. METHODS: A five-step process was undertaken by an international project team: (i) a rapid literature review to identify items assessing policies in physical activity, HP and sports, (ii) a thematic analysis to categorize items, (iii) a Delphi method to analyze item relevance, country specificity, reformulation, validation and organization, (iv) face validity through an online survey and in-depth interviews with expert representatives on physical activity and sports and (v) audit tool finalization though project team consensus. RESULTS: Eight sources were reviewed with 269 items identified. Items were coded into 25 categories with 3 broad themes: policies, actors and settings-based approach. The Delphi study extracted and refined 50 items and categorized them into 10 sections. After revisions from 22 surveys and 8 interviews, consensus was reached by the international project team on 41 items categorized into 11 sections: Role of ministry or department; Policies; Communication; Implementation and Dissemination; Evaluation and Measurement methods; Sub-national-level policies; Funding and Coordination; Participative approach; Actors and Stakeholders; National sporting events; Case studies and Implicated stakeholders. CONCLUSION: To progress HP in the sports club context it is necessary to understand existing national-level policies. This national audit tool will aid in monitoring and assessing national policies for health promoting sports clubs.

Development of a health-promoting sports club's intervention in France applying participatory action research.

The recognition of sports clubs (SC) as health-promoting settings is increasing, as well as the number of health promotion (HP) interventions implemented in this setting. However, minimal understanding of their development process and the persistent gap between theoretical knowledge and real-life practice is a major limitation to their implementation. This article describes a participatory research approach, implicating 29 stakeholders in sports and HP (6 HP researchers, 9 HP professionals, 6 representatives from regional and national sports organizations and 8 representatives from SC), leading to the co-construction of a health-promoting SC intervention. Stakeholders were mobilized through four stages: (i) analysis of effective programs, (ii) co-construction workshops, (iii) evaluation of relevance and acceptability, and (iv) beta-testing of a massive open online course (MOOC). A qualitative analysis was carried out on data collected through notetaking, recordings, transcripts, email exchanges and produced documents. This work led to the development of an HP intervention, including an MOOC, as well as a seven-step SC-tailored program. The convergence of theoretical knowledge and contextual real-life practice made it possible to respond to the specific needs and implementation problems encountered by SC actors and to develop acceptable strategies and tools.

Sports clubs (SC) can promote health beyond the offer of physical activity and sport by acting on health determinants (economic, social, environmental and organizational). To this end, interventions can be implemented. This study presents the way in which researchers and field actors can collaborate to develop adapted interventions. Involving 29 sport and health promotion (HP) actors (6 HP researchers, 9 HP professionals, 6 representatives from regional and national sports organizations, and 8 representatives from SC), four stages were set up to develop a Massive Open Online Course (MOOC) and an SC-tailored program: (i) analysis of effective programs, (ii) co-construction workshops, (iii) evaluation of relevance and acceptability, and (4) beta-testing of the MOOC. The results of these stages were qualitatively analyzed and allowed for the development of content, tools and planning consistent with the realities faced by SC. This work presents ways in which field actors and researchers can collaborate to develop acceptable strategies and tools to promote health.

Development and validation of the Cystic Fibrosis Decisional Balance for Physical Activity scale (CF-DB-PA).

BACKGROUND: People with cystic fibrosis (pwCF) derive several physiological and psychological benefits from regular physical activity (PA), but the practice is lower than recommended. Knowledge about the facilitators of and barriers to PA at the individual level is important to act positively on PA behaviors. This study validated the Cystic Fibrosis Decisional Balance for Physical Activity scale (CF-DB-PA) for adults with CF. METHODS: French adults with CF were recruited in several specialist centres in France. The CF-DB-PA scale was validated following a quantitative study protocol comprising four stages: (1) tests of the clarity and relevance of a preliminary 44-item version and reduction analysis, (2) confirmatory factor analysis and tests of dimensionality through equation modelling analysis, (3) tests of reliability with Cronbach alphas for the internal consistency and a test-retest with a 2-to-3 week interval for temporal stability, and 4) tests of construct validity with Spearman correlations to measure the associations between each subscale and the theoretically related constructs (i.e., quality of life, PA and exercise tolerance). RESULTS: A total of 201 French adults with CF participated in the validation study. The CF-DB-PA comprises 23 items divided into two factors: facilitators of and barriers to PA. Each factor is divided into three subscales: physical, psychological and environmental. The factors (facilitators and barriers) can be used independently or combined as a whole. A general score of decisional balance for PA can also be calculated. The bi-factor model presented satisfactory adjustment indexes: χ2 (194) = 362.33; p < .001; TLI = .87; CFI = .90; RMSEA = .067. The scale showed satisfactory internal consistency (Cronbach's α = .77). The test-retest reliability was not significant for either subscale, indicating stability over time. The facilitators subscale correlated significantly with the self-reported score of PA (r = .33, p < .01) and quality of life (r = .24, p < .05). The barriers subscale correlated significantly with the self-reported scores of PA (r = - .42, p > .01), quality of life (r = - .44, p < .01), exercise tolerance (r = - .34, p < .01) and spirometry tests (r = - .30, p < .05). CONCLUSIONS: The CF-DB-PA is a reliable and valid questionnaire assessing the decisional balance for PA, the facilitators of and the barriers to PA for adults with CF in French-speaking samples.

The health promoting sports club model: an intervention planning framework.

Researchers and policymakers acknowledge sports clubs (SCs) as health promoting settings. Limited research links the health promoting sports club (HPSC) concept with evidence-driven strategies to provide SCs guidance to develop health promotion (HP) interventions. As implementation science insists on theoretically grounded interventions, the present work's objective was to provide SCs an evidence-driven intervention framework for planning, developing and implementing HP initiatives. Four iteratively sequenced steps were undertaken: (i) investigation of 'health promoting' indicators, (ii) adaptation of the HPSC concept to create the HPSC model, (iii) formulation of published evidence-driven guidelines into strategies and implementable intervention components (ICs) and (iv) merging the HPSC model with the ICs to create an intervention planning framework for SCs. First, researchers drafted five HPSC indicators. Second, they defined three SC levels (macro, meso and micro) and four health determinants (organizational, environmental, economic and social) to create an HPSC model. Third, researchers used published guidelines to develop 14 strategies with 55 ICs. Fourth, three workshops (one each with French master-level sport students, French sport and health professionals and Swedish sport and health professionals) had participants classify the ICs into the model. The HPSC model and intervention framework are starting points to plan, select and deliver interventions to increase SC HP. This planning framework is usable in several ways: (i) clubs can apply strategies to achieve specific goals, (ii) clubs can target specific levels with corresponding ICs and (iii) ICs can be used to address particular health determinants.

Development of a Local Health-Enhancing Physical Activity Policy Analysis Tool in France: CAPLA-Santé.

The promotion of health-enhancing physical activity (HEPA) has become a key objective in public health policy. Therefore, based on the national HEPA Policy Audit Tool Version 2 (HEPA PAT v2) of the World Health Organization, a tool was designed to support local governments in assessing HEPA policies. This study aims to describe the adaptation and testing of the HEPA policy analysis tool (CAPLA-Santé) at the local level in France. The work was conducted in three stages: (1) an intersectoral group of experts was constituted, and the group adapted each item of the HEPA PAT v2 tool to the local level; (2) a testing phase with seven local governments helped to collect data and feedback on the tool; and (3) a final workshop was organized to adjust and finalize the tool. The final version of CAPLA-Santé contains 21 items divided into six major sections: overview of HEPA stakeholders in the local government area, policy documents, policy contents, funding and political engagement, studies and measures relating to physical activity in the local government area, and progress achieved and future challenges. CAPLA-Santé allows the collection and in-depth analysis of local level policies to assess the progress in promoting HEPA and intersectoral collaboration as well as identifying successful policy levers and remaining challenges.

Using theory of change to develop an intervention theory for designing and evaluating behavior change SDApps for healthy eating and physical exercise: the OCAPREV theory.

BACKGROUND: Connected health devices and applications (referred to hereafter as "SDApps" - Smart devices and applications) are being portrayed as a new way for prevention, with the promise of accessibility, effectiveness and personalization. Many effectiveness evaluations (experimental designs) with strong internal validity exist. While effectiveness does appear to vary, the mechanisms used by these devices have not yet been thoroughly investigated. This article seeks to unpack this black box, and describes the process of elaboration of an intervention theory for healthy eating and physical activity SDApps. It includes a set of requirements relative to their impact on social health inequalities. METHODS: To build this theory, we drew on theory-driven approaches and in particular on the theory of change (ToC) method. To this end, we developed a cumulative and iterative process combining scientific data from the literature with knowledge from experts (researchers and practitioners) and from patients or users. It was a 3-step process, as follows: 1 - identifying the evidence base; 2 - developing the theory through design intervention and creating realistic expectations, including in our case specific work on social health inequalities (SHIs); 3 - modeling process and outcome. RESULTS: We produced an evidence-based theory according to the ToC model, based on scientific evidence and knowledge from experts and users. It sets out a causal pathway leveraging 11 key mechanisms - theoretical domains - with which 50 behavior change techniques can be used towards 3 ultimate goals: Capacity, Opportunity, Motivation - Behavior (COM-B). Furthermore, the theory specifically integrates requirements relative to the impact on SHIs. CONCLUSIONS: This theory is an aid to SDAapp design and evaluation and it can be used to consider the question of the possible impact of SDApps on the increase in inequalities. Firstly, it enables developers to adopt a more overarching and thorough approach to supporting behavior change, and secondly it encourages comprehensive and contributive evaluations of existing SDApps. Lastly, it allows health inequalities to be fully considered.

Physical activity promotion in primary care: a Utopian quest?

The health benefits of physical activity (PA) are acknowledged and promoted by the scientific community, especially within primary care. However, there is little evidence that such promotion is provided in any consistent or comprehensive format. Brief interventions (i.e. discussion, negotiation or encouragement) and exercise referral schemes (i.e. patients being formally referred to a PA professional) are the two dominant approaches within primary care. These cost-effective interventions can generate positive changes in health outcomes and PA levels in inactive patients who are at increased risk for non-communicable diseases. Their success relies on the acceptability and efficiency of primary care professionals to deliver PA counselling. To this end, appropriate training and financial support are crucial. Similarly, human resourcing and synergy between the different stakeholders must be addressed. To obtain maximum adherence, specific populations should be targeted and interventions adapted to their needs. Key enablers include motivational interviewing, social support and multi-disciplinary approaches. Leadership and lines of accountability must be clearly delineated to ensure the success of the initiatives promoting PA in primary care. The synergic and multisectoral action of several stakeholders, especially healthcare professionals, will help overcome physical inactivity in a sustainable way.

Association of socioeconomic, school-related and family factors and physical activity and sedentary behaviour among adolescents: multilevel analysis of the PRALIMAP trial inclusion data.

BACKGROUND: Social differences among adolescents in physical activity and sedentary behaviour have been identified but are not well explained. The current study aimed to identify socioeconomic, family and school-related associated factors with physical activity and sedentary behaviour among high-school adolescents. METHODS: This was a cross-sectional analysis of T0 physical activity and sedentary behaviour of 2523 students 14 - 18 years old recruited for the PRALIMAP trial from 24 French state-run high schools. Data were collected by self-administered questionnaire at the start of grade 10. Adolescents completed the International Physical Activity Questionnaire for physical activity and sedentary behaviour and an ad hoc questionnaire for active commuting and sport participation. Statistical analyses involved linear and logistic regressions. RESULTS: Socioeconomic, family or school variables were associated with levels of physical activity and sedentary behaviour for both boys and girls, but no factor, except perceived parental physical activity level, was associated with total energy expenditure (total physical activity) for either gender. Adolescents with privileged and less privileged socioeconomic status reported the same total amount of energy expenditure. CONCLUSIONS: Total physical activity score alone is not sufficient to assess the physical activity of adolescents. These findings may have implications for better understanding of social inequalities in this context and recommendations to prevent overweight. TRIAL REGISTRATION: This trial is registered at ClinicalTrials.gov ( NCT00814554 ). The date of registration: 23 December 2008. Registration was not required at the time of the start of PRALIMAP for public health and prevention programmes and trials.

Variation in population levels of physical activity in European adults according to cross-European studies: a systematic literature review within DEDIPAC.

BACKGROUND: Physical inactivity is a well-known public health risk that should be monitored at the population level. Physical activity levels are often surveyed across Europe. This systematic literature review aims to provide an overview of all existing cross-European studies that assess physical activity in European adults, describe the variation in population levels according to these studies, and discuss the impact of the assessment methods. METHODS: Six literature databases (PubMed, EMBASE, CINAHL, PsycINFO, SportDiscus and OpenGrey) were searched, supplemented with backward- and forward tracking and searching authors' and experts' literature databases. Articles were included if they reported on observational studies measuring total physical activity and/or physical activity in leisure time in the general population in two or more European countries. Each record was reviewed, extracted and assessed by two independent researchers and disagreements were resolved by a third researcher. The review protocol of this review is registered in the PROSPERO database under registration number CRD42014010334. RESULTS: Of the 9,756 unique identified articles, twenty-five were included in this review, reporting on sixteen different studies, including 2 to 35 countries and 321 to 274,740 participants. All but two of the studies used questionnaires to assess physical activity, with the majority of studies using the IPAQ-short questionnaire. The remaining studies used accelerometers. The percentage of participants who either were or were not meeting the physical activity recommendations was the most commonly reported outcome variable, with the percentage of participants meeting the recommendations ranging from 7% to 96% across studies and countries. CONCLUSIONS: The included studies showed substantial variation in the assessment methods, reported outcome variables and, consequently, the presented physical activity levels. Because of this, absolute population levels of physical activity in European adults are currently unknown. However, when ranking countries, Ireland, Italy, Malta, Portugal, and Spain generally appear to be among the less active countries. Objective data of adults across Europe is currently limited. These findings highlight the need for standardisation of the measurement methods, as well as cross-European monitoring of physical activity levels.

10-year cumulative and bidirectional associations of domain-specific physical activity and sedentary behaviour with health-related quality of life in French adults: Results from the SU.VI.MAX studies.

BACKGROUND: The directionality of the associations of domain-specific physical activity (PA) and sedentary behaviour (SB) with health-related quality of life (HRQoL) in adults remain insufficiently known. This study investigated the longitudinal associations of 10-year cumulative levels of PA and SB with HRQoL and the reverse associations. METHODS: A sample of 2093 (47.8% men) participants from a cohort of French adult (SU.VI.MAX) was included. Data were collected at 3 time points (1998, 2001 and 2007) using the Modifiable Activity Questionnaire (MAQ) for PA (leisure-time and occupational) and SB (screen-viewing, reading and total sitting time) and the DUKE Health Profile for HRQoL. The cumulative level (from 0 to 3) referred to the number of time points where a high PA level, high SB or good HRQoL was reported. Regression models examined the 10-year cumulative level of PA, SB as predictors of HRQoL and reverse associations. RESULTS: The 10-year cumulative level of high PA, both leisure-time and occupational, predicted a higher HRQoL while the 10-year cumulative level of high screen-viewing time and high total sitting time was associated with lower HRQoL. For the reverse association, cumulative level of good HRQoL predicted more leisure-time PA, less screen-viewing time and less total sitting time but was not related to occupational PA. CONCLUSION: Relationships between PA, SB and HRQoL are complex and should not be oversimplified in one or the other direction. Taking into account domain-specific PA and SB in health promotion programs appears of prime importance to design interventions aiming at improving HRQoL.

Cumulative and bidirectional association of physical activity and sedentary behaviour with health-related quality of life in adolescents.

BACKGROUND: The directionality of the association of physical activity (PA) and sedentary behaviour (SB) with health-related quality of life (HRQoL) remains unknown in adolescents. This study aimed to investigate the association of 2-year cumulative level of PA and SB with HRQoL and the reverse association. METHODS: We included 1445 adolescents in France from a 2-year longitudinal study with three follow-up times (PRALIMAP trial). At each follow-up, adolescents completed the International Physical Activity Questionnaire for PA and SB and the Duke Health Profile for HRQoL. Statistical analyses involved linear and logistic regressions adjusted for socio-demographic characteristics. RESULTS: The cumulative number of times an adolescent achieved the PA recommendations during the 2 years was associated with better physical, mental, social and general HRQoL (p for trend < 0.0001). In contrast, high SB predicted low HRQoL for most dimensions except social HRQoL (p = 0.12). Combining PA and SB, the effect of recommended PA on HRQoL was offset in part by high SB. In the reverse association, high HRQoL predicted high PA (overall, vigorous, moderate and recommended PA), but was not associated with SB. CONCLUSIONS: The association between PA and HRQoL was cumulative and bidirectional among adolescents, whereas low HRQoL seemed to be a consequence of high SB rather than a cause (cumulative but not bidirectional). Promoting recommended PA and low SB may help improve HRQoL among adolescents, with a possible virtuous cycle with regard to PA.