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Legrand K, Manneville F, Langlois J, Böhme P, Dosda A, Beguinet M, Briançon S, Spitz E, Lecomte E, Omorou AY. Ten-year postintervention follow-up of adolescents participating in the management of overweight and social inequalities (PRALIMAP-INÈS intervention): the PRALIMAP-CINeCO survey protocol. BMJ Open 2024; 14:e083090. [PMID: 39266314 PMCID: PMC11404294 DOI: 10.1136/bmjopen-2023-083090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/14/2024] Open
Abstract
INTRODUCTION The short-term effectiveness of the PRomotion de l'ALIMentation et de l'Activité Physique-INÈgalités de Santé' (PRALIMAP-INÈS) intervention to reduce social inequalities in overweight and obesity management among adolescents between 2012 and 2015 was demonstrated. This longitudinal mixed-methods study is a 10-year postintervention follow-up of the PRALIMAP-INÈS intervention with the aim of investigating social, economic, educational and health (especially weight) trajectories from adolescence to young adulthood. METHODS AND ANALYSIS Among adolescents enrolled in PRALIMAP-INÈS (n=1419), we estimate the number of participants to be 852. Adolescents who were included in the PRALIMAP-INÈS intervention will be contacted 10 years later and invited to participate in a follow-up visit. Participants will self-report their sociodemographic characteristics, body image perceptions, overweight/obesity care pathway, lifestyle and dietary behaviours and attitudes, psychological health and experience of the PRALIMAP-INÈS intervention. A check-up visit will be scheduled by a clinical research nurse to record waist circumference and weight and height for body mass index calculation and to construct the healthcare pathway from adolescence to young adulthood. 40 participants will be invited to participate in a semistructured interview conducted by a sociologist to deepen the understanding of trajectories regarding social aspects that are likely to influence health behaviours in participants. ETHICS AND DISSEMINATION The PRALIMAP-CINeCO trial was approved by French Persons Protection Committee (no. 2021-A00949-32) and a conformity declaration was made with French National Commission for Data Protection and Liberties. Results will be presented at conferences and published in international peer-reviewed journals. TRIAL REGISTRATION NUMBER NCT05386017; Pre-results.
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Affiliation(s)
- Karine Legrand
- UMR 1319 INSPIIRE, Université de Lorraine, Inserm, F-54000 Nancy, France
| | - Florian Manneville
- UMR 1319 INSPIIRE, Université de Lorraine, Inserm, F-54000 Nancy, France
- CIC-EC 1433, CHRU, Inserm, Université de lorraine, F-54000 Nancy, France
| | | | - Philip Böhme
- Department of Diabetology, Metabolic Diseases and Nutrition, CHRU de Nancy, Nancy, France
| | - Arnaud Dosda
- UMR 1319 INSPIIRE, Université de Lorraine, Inserm, F-54000 Nancy, France
| | - Mélanie Beguinet
- CIC-EC 1433, CHRU, Inserm, Université de lorraine, F-54000 Nancy, France
| | - Serge Briançon
- UMR 1319 INSPIIRE, Université de Lorraine, Inserm, F-54000 Nancy, France
| | - Elisabeth Spitz
- UMR 1319 INSPIIRE, Université de Lorraine, Inserm, F-54000 Nancy, France
| | - Edith Lecomte
- Conservatoire National des Arts et Metiers, Nancy, France
| | - Abdou Y Omorou
- UMR 1319 INSPIIRE, Université de Lorraine, Inserm, F-54000 Nancy, France
- CIC-EC 1433, CHRU, Inserm, Université de lorraine, F-54000 Nancy, France
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Dakin M, Omorou AY, Guillemin F. Effectiveness of interventions to reduce social inequalities of weight status in adolescents: A systematic review and meta-analysis. Obes Rev 2024; 25:e13752. [PMID: 38644206 DOI: 10.1111/obr.13752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/29/2024] [Accepted: 03/19/2024] [Indexed: 04/23/2024]
Abstract
Many interventions are implemented in the public health context to overcome social inequalities of weight status in adolescents, but their effectiveness is challenged. This study aimed to examine the effectiveness of these interventions with a systematic review and meta-analysis. We systematically searched for reports of randomized control trials and quasi-experimental studies aiming to reduce social inequalities of weight status in adolescents in five electronic databases. The primary outcomes were social inequalities in weight-related outcomes (body mass index [BMI], BMI z score, waist circumference, percent body fat, prevalence of overweight/obesity). Interventions were effective when they reduced social inequalities in at least one weight-related outcome. Meta-analyses involved using random-effects models. The review included 38 publications (33 studies) with interventions mostly targeting disadvantaged adolescents (n = 29 studies), showing effectiveness in half of the studies (n = 19/33, 57.6%). The meta-analysis (27 studies) revealed that targeted interventions significantly reduced BMI z score (β = -0.04 [95% CI -0.08, -0.01]), BMI (β = -0.32 [-0.47, -0.18]), and waist circumference (β = -0.84 [-1.48, -0.21]) but not percent body fat (β = -0.27 [-0.71, 0.17]) or prevalence of overweight/obesity (odds ratio = 1.06 [0.85, 1.31]). This review shows moderate effectiveness of interventions targeting disadvantaged adolescents to reduce social inequalities of weight status. High-quality research with better implementation to reach their full potential is required to strengthen their effectiveness.
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Affiliation(s)
- Mohamed Dakin
- Inserm, UMR 1319 INSPIIRE, Université de Lorraine, Nancy, Metz, France
| | - Abdou Yacoubou Omorou
- Inserm, UMR 1319 INSPIIRE, Université de Lorraine, Nancy, Metz, France
- Inserm, CHRU Nancy, Université de Lorraine, CIC-Clinical Epidemiology, Nancy, France
| | - Francis Guillemin
- Inserm, UMR 1319 INSPIIRE, Université de Lorraine, Nancy, Metz, France
- Inserm, CHRU Nancy, Université de Lorraine, CIC-Clinical Epidemiology, Nancy, France
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Dakin M, Manneville F, Langlois J, Briançon S, Lecomte E, Spitz E, Legrand K, Böhme P, Guillemin F, Omorou A. Role of dietary intake and physical activity in reducing weight social inequalities among adolescents: an application of G-formula to PRALIMAP-INÈS trial. Br J Nutr 2024:1-10. [PMID: 38800976 DOI: 10.1017/s0007114524001090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Interventions aiming to reduce social inequalities of weight status in adolescents usually focus on lifestyle behaviours, but their effectiveness is limited. This study analysed the effect of achieving levels of dietary intake (DI) and/or physical activity (PA) guidelines on reducing social inequalities in weight status among adolescents. We included adolescents from the PRomotion de l'ALIMentation et de l'Activité Physique - INÉgalité de Santé (PRALIMAP-INÈS) trial with weight status data available at baseline and 1-year follow-up (n 1130). PA and DI were measured using the International Physical Activity Questionnaire and a validated FFQ, respectively. We estimated the likelihood of a 1-year reduction in BMI z-score (BMIz) and population risk difference (PRD) under hypothetical DI and PA levels and socio-economic status using the parametric G-formula. When advantaged and less advantaged adolescents maintained their baseline DI and PA, we found social inequalities in weight status, with a PRD of a 1-year reduction in BMIz of -1·6 % (-3·0 %, -0·5 %). These inequalities were not observed when less advantaged adolescents increased their proportion of achieving DI guidelines by 30 % (PRD = 2·2 % (-0·5 %, 5·0 %)) unlike the same increase in PA (PRD = -3·9 % (-6·8 %, -1·3 %)). Finally, social inequalities of weight status were not observed when levels of achievement of both PA and DI guidelines increased by 30 % (PRD = 2·2 % (-0·5 %, 4·0 %)). Enhancing DI rather than PA could be effective in reducing social inequalities in weight status among adolescents. Future interventions aiming to reduce these inequalities should mostly target DI to be effective.
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Affiliation(s)
- Mohamed Dakin
- Inserm, UMR 1319 INSPIIRE, Université de Lorraine, Nancy, Metz, France
| | - Florian Manneville
- Inserm, UMR 1319 INSPIIRE, Université de Lorraine, Nancy, Metz, France
- Inserm, CHRU Nancy, Université de Lorraine, CIC-Clinical Epidemiology, Nancy F-54000, France
| | - Johanne Langlois
- Conservatoire National des Arts et Métiers - Institut scientifique et technique de la nutrition et de l'alimentation (Cnam-ISTNA), Nancy, France
| | - Serge Briançon
- Inserm, UMR 1319 INSPIIRE, Université de Lorraine, Nancy, Metz, France
| | - Edith Lecomte
- Conservatoire National des Arts et Métiers - Institut scientifique et technique de la nutrition et de l'alimentation (Cnam-ISTNA), Nancy, France
| | - Elisabeth Spitz
- Inserm, UMR 1319 INSPIIRE, Université de Lorraine, Nancy, Metz, France
| | - Karine Legrand
- Inserm, UMR 1319 INSPIIRE, Université de Lorraine, Nancy, Metz, France
- Inserm, CHRU Nancy, Université de Lorraine, CIC-Clinical Epidemiology, Nancy F-54000, France
| | - Philip Böhme
- Service d'endocrinologie, diabétologie et nutrition, CHRU Nancy, Nancy, F-54000, France
| | - Francis Guillemin
- Inserm, UMR 1319 INSPIIRE, Université de Lorraine, Nancy, Metz, France
- Inserm, CHRU Nancy, Université de Lorraine, CIC-Clinical Epidemiology, Nancy F-54000, France
| | - Abdou Omorou
- Inserm, UMR 1319 INSPIIRE, Université de Lorraine, Nancy, Metz, France
- Inserm, CHRU Nancy, Université de Lorraine, CIC-Clinical Epidemiology, Nancy F-54000, France
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Omorou AY, Langlois J, Böhme P, Legrand K, Muller L, Saez L, Pourcher-Lambolez C, Spitz E, Briançon S, Lecomte E. Proportionate universalism intervention is effective for tackling nutritional social gradient in adolescents: the PRALIMAP-INÈS mixed randomised trial. Public Health 2023; 221:79-86. [PMID: 37423032 DOI: 10.1016/j.puhe.2023.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 05/15/2023] [Accepted: 06/05/2023] [Indexed: 07/11/2023]
Abstract
OBJECTIVE This study aimed to investigate the effectiveness of proportionate universalism intervention to reduce the slope of the nutritional social gradient in adolescents. STUDY DESIGN A mixed (experimental and quasi-experimental) multicentre trial. METHODS Data from 985 adolescents of the PRALIMAP-INÈS trial (North-eastern France, 2012-2015) were analysed. For this, adolescents were split into five social classes according to the Family Affluence Scale: Highly Less Advantaged (H.L.Ad; n = 33), Less Advantaged (L.Ad; n = 155), Intermediate (Int; n = 404), Advantaged (Ad; n = 324) and Highly Advantaged (H.Ad; n = 69). The overweight care management was a standard care for all and a strengthened one adapted to the social class of adolescents. The main outcome was the 1-year change of the body mass index z-score (BMIz) slope. Other nutritional outcomes were BMI, ΔBMIp95 (BMI minus 95th percentile of the WHO reference), %BMIp95 (percent of 95th percentile of the WHO reference), leisure-time sport, consumption of fruits and vegetables and consumption of sugary foods and drinks. RESULTS The inclusion data confirmed a weight social gradient expressed by a significant BMIz linear regression coefficient (β = -0.09 [-0.14 to -0.04], P < 0.0001). The higher the social class, the lower the BMIz. The 1-year BMIz linear regression coefficient was -0.07 [-0.12 to -0.02], corresponding to a significant weight social gradient reduction of 23.3% (β = 0.021 [0.001 to 0.041]; P = 0.04). Consistent results were found for other nutritional outcomes. CONCLUSIONS PRALIMAP-INÈS shows that proportionate universalism intervention is effective to reduce the adolescents' nutritional social gradient and suggests that equitable health programmes and policies are a realistic goal.
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Affiliation(s)
- A Y Omorou
- University of Lorraine, APEMAC, Nancy, Metz, France; CHRU-Nancy, INSERM, University of Lorraine, CIC-1433 Clinical Epidemiology, Nancy, France.
| | - J Langlois
- National Conservatory of Arts and Crafts, Nancy, France
| | - P Böhme
- CHRU-Nancy, Department of Diabetology, Metabolic Diseases and Nutrition, Nancy, France
| | - K Legrand
- University of Lorraine, APEMAC, Nancy, Metz, France; CHRU-Nancy, INSERM, University of Lorraine, CIC-1433 Clinical Epidemiology, Nancy, France
| | - L Muller
- University of Lorraine, APEMAC, Nancy, Metz, France
| | - L Saez
- University of Lorraine, APEMAC, Nancy, Metz, France
| | | | - E Spitz
- University of Lorraine, APEMAC, Nancy, Metz, France
| | - S Briançon
- University of Lorraine, APEMAC, Nancy, Metz, France
| | - E Lecomte
- National Conservatory of Arts and Crafts, Nancy, France
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Gosselin V, Laberge S. Do the implementation processes of a school-based daily physical activity (DPA) program vary according to the socioeconomic context of the schools? a realist evaluation of the Active at school program. BMC Public Health 2022; 22:424. [PMID: 35241035 PMCID: PMC8892775 DOI: 10.1186/s12889-022-12797-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 02/10/2022] [Indexed: 11/10/2022] Open
Abstract
Background Less than half of Canadian children meet the Canadian Physical Activity (PA) Guidelines, and the proportion is even lower among children living in underprivileged neighbourhoods. Regular PA supports physical, cognitive, and psychological/social health among school-aged children. Successful implementation of school-based daily physical activity (DPA) programs is therefore important for all children and crucial for children who attend schools in lower socioeconomic settings. The purpose of this study is to uncover what worked, for whom, how, and why during the three-year implementation period of a new “flexible” DPA program, while paying particular attention to the socioeconomic setting of the participating schools. Methods This study is a realist evaluation using mixed methods for data generation. Longitudinal data were collected in 415 schools once a year during the three-year implementation period of the program using questionnaires. Data analysis was completed in three steps and included qualitative thematic analysis using a mixed inductive and deductive method and chi-square tests to test and refine context-mechanism-outcome (CMO) configurations. Results Giving the school teams autonomy in the choice of strategies appropriate to their context have allowed schools to take ownership of program implementation by activating a community empowerment process, which resulted in a cultural shift towards a sustainable DPA provision in most settings. In rural underprivileged settings, the mobilization of local resources seems to have successfully created the conditions necessary for implementing and maintaining changes in practice. In disadvantaged urban settings, implementing local leadership structures (leader, committee, and meetings) provided pivotal assistance to members of the school teams in providing new DPA opportunities. However, without continued external funding, those schools seem unable to support local leadership structures on their own, jeopardizing the sustainability of the program for children living in disadvantaged urban areas. Conclusion By exploring CMO configurations, we have been able to better understand what worked, for whom, how and why during the three-year implementation period of the Active at School! program. When implementing DPA policies, decision makers should consider adjusting resource allocations to meet the actual needs of schools from different backgrounds to promote equal PA opportunities for all children. Supplementary Information The online version contains supplementary material available at 10.1186/s12889-022-12797-7.
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Affiliation(s)
- Véronique Gosselin
- School of Kinesiology and Physical Activity Sciences, Université de Montréal, C.P. 6128, Succursale Centre-Ville Montréal, H3C 3J7, Québec, Canada.
| | - Suzanne Laberge
- School of Kinesiology and Physical Activity Sciences, Université de Montréal, C.P. 6128, Succursale Centre-Ville Montréal, H3C 3J7, Québec, Canada
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Manneville F, Omorou AY, Legrand K, Lecomte E, Rydberg JA, Briançon S, Guillemin F. Sociodemographic and psychological characteristics associated with discrepancy between body satisfaction and weight change among adolescents. Prev Med 2021; 150:106668. [PMID: 34087324 DOI: 10.1016/j.ypmed.2021.106668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 05/07/2021] [Accepted: 05/29/2021] [Indexed: 11/16/2022]
Abstract
This study aimed to describe the discrepancy between body satisfaction change and weight change among adolescents following a 2-year school-based intervention, to identify associated sociodemographic factors, and to explore possible associations with perceived health indicators. We used data from a northeastern France representative adolescents sample (14-18 years old) who participated in the PRALIMAP (PRomotion de l'ALIMentation et de l'Activité Physique) study (2006-2009). Weight change was measured by the change in body mass index z-score from the start to the end of the study. Body satisfaction and self-perceived health (anxiety, depression, eating disorder and quality of life) changes were assessed using self-administered questionnaires. Discrepancy between body satisfaction change and weight change was described with cross-tabulations, and subdivided into optimism/pessimism (i.e. positive/negative body satisfaction change compared to weight change). Sociodemographic factors associated with discrepancy were determined by multivariate logistic regression models. Adjusted linear regression models described 2-year change in weight and self-perceived health according to discrepancy. Among the 3279 adolescents included (aged 15.1 ± 0.6 years), the proportion of discrepancy was 74.8% (pessimism = 41.6%; optimism = 33.2%). Discrepancy, especially pessimism, was higher in boys than in girls (OR = 1.44 [1.19; 1.74], p = .0002), and in socially advantaged adolescents (OR = 1.82 [1.20; 2.74], p = .004) than in disadvantage ones. Body satisfaction change was rather in line with anxiety, depression and quality of life changes than weight change. Body satisfaction change should be considered in overweight and obesity prevention interventions alongside body weight change, and could be used as indicator of long-term behavior maintenance. Clinical trials registry and number:ClinicalTrials.gov (NCT01688453).
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Affiliation(s)
- Florian Manneville
- Université de Lorraine, APEMAC, F-54000 Nancy, France; CHRU-Nancy, INSERM, Université de Lorraine, CIC, Epidémiologie Clinique, F-54000 Nancy, France.
| | - Abdou Y Omorou
- Université de Lorraine, APEMAC, F-54000 Nancy, France; CHRU-Nancy, INSERM, Université de Lorraine, CIC, Epidémiologie Clinique, F-54000 Nancy, France
| | - Karine Legrand
- Université de Lorraine, APEMAC, F-54000 Nancy, France; CHRU-Nancy, INSERM, Université de Lorraine, CIC, Epidémiologie Clinique, F-54000 Nancy, France
| | - Edith Lecomte
- National Conservatory of Arts and Crafts (CNAM), Nancy F-54000, France
| | | | | | - Francis Guillemin
- Université de Lorraine, APEMAC, F-54000 Nancy, France; CHRU-Nancy, INSERM, Université de Lorraine, CIC, Epidémiologie Clinique, F-54000 Nancy, France
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Abstract
The interdependence among eating behaviour (EB), physical activity (PA) and sedentary time (ST) suggests simultaneously identifying homogeneous profiles and describing their changes. This study aimed to (1) identify cross-sectional lifestyle behaviour profiles and their 2-year changes among French school-age adolescents and (2) identify factors associated with these profiles and changes. Longitudinal data from adolescents who participated in the PRomotion de l'ALIMentation et de l'Activité Physique trial were used. PA and ST were assessed with the International Physical Activity Questionnaire and EB with a FFQ. Profiles at baseline and their changes were identified by latent transition analysis. Multinomial logistic regression models were used to identify factors associated with profiles and their changes. Among 2390 adolescents included (14-18 years), five baseline profiles that differed mainly in EB were identified: 'healthy diet and high PA (7·9 %)', 'big eater and moderate to high PA (23·8 %)', 'healthy diet and low PA (31·2 %)', 'restrictive diet and moderate PA (20·6 %)' and 'sugar products, nibbling and moderate PA (16·5 %)'. Young adolescents, those who were overweight or obese and socially advantaged, were more in the 'healthy diet and low PA' than others. Boys, older and socially less advantaged adolescents exhibited more 'unfavourable' than 'mixed' changes, while adolescents with overweight or obesity had less 'unfavourable' than 'mixed' changes. In conclusion, adolescents were twice the number in the least than the most favourable profile. Findings highlighted the importance of EB among adolescents and suggest taking adolescents' sociodemographic and weight characteristics into account in interventions aimed at acting on adolescents' behaviours.
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Gosselin V, Boccanfuso D, Laberge S. Can school-based physical activity foster social mobility? CANADIAN JOURNAL OF PUBLIC HEALTH = REVUE CANADIENNE DE SANTE PUBLIQUE 2021; 112:115-119. [PMID: 32789626 PMCID: PMC7851199 DOI: 10.17269/s41997-020-00375-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 06/23/2020] [Indexed: 11/17/2022]
Abstract
Social mobility refers to the intergenerational transmission of socio-economic status, and therefore of health status. Hence, it is important to consider social mobility to tackle the social gradient in health in the long term. Fostering social mobility requires developing public policies that ensure equal opportunities for all children. The intent of this commentary is to illustrate how a proportionate universalism approach to school-based physical activity could be a way to promote equal opportunity for children within the school environment. Alberta's Daily Physical Activity policy and the APPLE Schools program are used to illustrate this approach: these two programs not only create enabling environments that can support children in adopting healthy lifestyles but also contribute to the reduction of social inequalities in physical activity by fostering capacity building.
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Affiliation(s)
- Véronique Gosselin
- École de kinésiologie et des sciences de l'activité physique, Faculté de médecine, Université de Montréal, C.P. 6128, succursale Centre-ville, Montréal, Québec, H3C 3J7, Canada.
| | - Dorothée Boccanfuso
- Faculté de Gouvernance, Sciences Économiques et Sociales, Université Mohammed VI Polytechnique, Lot 660 - Hay Moulay Rachid, 43150, Ben Guerir, Morocco
| | - Suzanne Laberge
- École de kinésiologie et des sciences de l'activité physique, Faculté de médecine, Université de Montréal, C.P. 6128, succursale Centre-ville, Montréal, Québec, H3C 3J7, Canada
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Omorou AY, Manneville F, Langlois J, Legrand K, Böhme P, Muller L, Guillemin F, Briançon S, Lecomte E. Physical activity rather than sedentary behaviour is socially determined in French adolescents with overweight and obesity. Prev Med 2020; 134:106043. [PMID: 32097754 DOI: 10.1016/j.ypmed.2020.106043] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 01/24/2020] [Accepted: 02/22/2020] [Indexed: 12/30/2022]
Abstract
Social differences in prevalence of overweight and obesity among adolescents, known as the weight social gradient, could be explained by differences in behaviours between social classes. This study examined the respective association of physical activity (PA), sedentary behaviour (SB) and weight status with adolescents' socioeconomic status. We used cross-sectional data for 1935 adolescents (13-18 years old) with overweight or obesity who participated in the PRALIMAP-INÉS (PRomotion de l'ALImentation et de l'Activité Physique - INÉgalités de Santé) trial conducted in northeastern France between 2012 and 2015. Adolescents completed the International Physical Activity Questionnaire for PA and SB and the Family Affluence Scale for socioeconomic status. Weight status was assessed by the body mass index (BMI) and BMI z-score. Social gradient of weight status, PA and SB were described according to the Family Affluence Scale (slopes) and evidenced by the linear trend test (p). Adolescents' socioeconomic status was positively associated with PA practice (frequency, vigorous PA and leisure-time PA), but there was no association with their SB. The results confirmed a significant weight social gradient: BMI (β = 0.37, p < .0001) and BMI z-score (β = 0.07, p = .0001). The weight social gradient in adolescents was mostly associated with PA (5.7% to 8.1%) rather than SB (2.7% to 5.7%). Nearly 14% of BMI z-scores could be related to a combined PA and SB effect. PA was found an important factor of weight social gradient in adolescence. Actions aimed at preventing weight social inequalities among adolescents could include PA promotion as lever. CLINICAL TRIALS REGISTRY AND NUMBER: ClinicalTrials.gov (NCT01688453).
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Affiliation(s)
- Abdou Y Omorou
- CHRU-Nancy, INSERM, University of Lorraine, CIC, Clinical Epidemiology, F-54000 Nancy, France; University of Lorraine, APEMAC, F-54000 Nancy, France
| | | | - Johanne Langlois
- University of Lorraine, APEMAC, F-54000 Nancy, France; National Conservatory of Arts and Crafts (CNAM), F-54000 Nancy, France
| | - Karine Legrand
- CHRU-Nancy, INSERM, University of Lorraine, CIC, Clinical Epidemiology, F-54000 Nancy, France; University of Lorraine, APEMAC, F-54000 Nancy, France
| | - Philip Böhme
- Department of diabetology, metabolic diseases and nutrition, Nancy University Hospital, F-54000 Nancy, France
| | | | - Francis Guillemin
- CHRU-Nancy, INSERM, University of Lorraine, CIC, Clinical Epidemiology, F-54000 Nancy, France; University of Lorraine, APEMAC, F-54000 Nancy, France
| | - Serge Briançon
- CHRU-Nancy, INSERM, University of Lorraine, CIC, Clinical Epidemiology, F-54000 Nancy, France; University of Lorraine, APEMAC, F-54000 Nancy, France
| | - Edith Lecomte
- National Conservatory of Arts and Crafts (CNAM), F-54000 Nancy, France
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