Longitudinal changes in physical activity and sedentary time in adults around retirement age: what is the moderating role of retirement status, gender and educational level? by Delfien Van Dyck, Greet Cardon, Ilse De Bourdeaudhuij

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Which psychological, social and physical environmental characteristics predict changes in physical activity and sedentary behaviors during early retirement? A longitudinal study by Delfien Van Dyck, Greet Cardon, Ilse De Bourdeaudhuij

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The occupational sitting and physical activity questionnaire (OSPAQ): a validation study with accelerometer-assessed measures by Iris Maes, Margo Ketels, Delfien Van Dyck, Els Clays

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Investigating When, Which, and Why Users Stop Using a Digital Health Intervention to Promote an Active Lifestyle: Secondary Analysis With A Focus on Health Action Process Approach–... by Helene Schroé, Geert Crombez, Ilse De Bourdeaudhuij, Delfien Van Dyck

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The contribution of former work-related activity levels to predict physical activity and sedentary time during early retirement: moderating role of educational level and physical f... by Delfien Van Dyck, Greet Cardon, Benedicte Deforche, Ilse De Bourdeaudhuij

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Parents' and adolescents' perception of traffic- and crime-related safety as correlates of independent mobility among Belgian adolescents. by Francisco Javier Huertas-Delgado, Lieze Mertens, Palma Chillon, Delfien Van Dyck

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The association between Geographic Information System-based neighborhood built environmental factors and accelerometer-derived light-intensity physical activity across the lifespan... by Sofie Compernolle, Lieze Mertens, Jelle Van Cauwenberg, Iris Maes, Delfien Van Dyck

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Towards more personalized digital health interventions: a clustering method of action and coping plans to promote physical activity by Helene Schroé, Stéphanie Carlier, Delfien Van Dyck, Femke De Backere, Geert Crombez

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Differences in park characteristic preferences for visitation and physical activity among adolescents: A latent class analysis. by Lieze Mertens, Jelle Van Cauwenberg, Jenny Veitch, Benedicte Deforche, Delfien Van Dyck

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The variability of emotions, physical complaints, intention, and self-efficacy: an ecological momentary assessment study in older adults by Iris Maes, Lieze Mertens, Louise Poppe, Geert Crombez, Tomas Vetrovsky, Delfien Van Dyck

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Relationship of the perceived social and physical environment with mental health-related quality of life in middle-aged and older adults: mediating effects of physical activity. by Delfien Van Dyck, Megan Teychenne, Sarah A McNaughton, Ilse De Bourdeaudhuij, Jo Salmon

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Interrelation of Sport Participation, Physical Activity, Social Capital and Mental Health in Disadvantaged Communities: A SEM-Analysis. by Mathieu Marlier, Delfien Van Dyck, Greet Cardon, Ilse De Bourdeaudhuij, Kathy Babiak, Annick Willem

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Which Socio-Ecological Factors Associate with a Switch to or Maintenance of Active and Passive Transport during the Transition from Primary to Secondary School? by Griet Vanwolleghem, Delfien Van Dyck, Femke De Meester, Ilse De Bourdeaudhuij, Greet Cardon, Freja Gheysen

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Social and Physical Environmental Factors Influencing Adolescents' Physical Activity in Urban Public Open Spaces: A Qualitative Study Using Walk-Along Interviews. by Linde Van Hecke, Benedicte Deforche, Delfien Van Dyck, Ilse De Bourdeaudhuij, Jenny Veitch, Jelle Van Cauwenberg

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The role of socio-demographic factors and physical functioning in the intra- and interpersonal variability of older adults’ sedentary time: an observational two-country study by Sofie Compernolle, Ester Cerin, Anthony Barnett, Casper J. P. Zhang, Jelle Van Cauwenberg, Delfien Van Dyck

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Urban environments and objectively-assessed physical activity and sedentary time in older Belgian and Chinese community dwellers: potential pathways of influence and the moderating... by Ester Cerin, Delfien Van Dyck, Casper J. P. Zhang, Jelle Van Cauwenberg, Poh-chin Lai, Anthony Barnett

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Associations between time spent in green areas and physical activity among late middle-aged adults by Bart Dewulf, Tijs Neutens, Delfien Van Dyck, Ilse De Bourdeaudhuij, Steven Broekx, Carolien Beckx, Nico Van de Weghe

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Within-Person Associations of Accelerometer-Assessed Physical Activity With Time-Varying Determinants in Older Adults: Time-Based Ecological Momentary Assessment Study by Iris Maes, Lieze Mertens, Louise Poppe, Tomas Vetrovsky, Geert Crombez, Femke De Backere, Ruben Brondeel, Delfien Van Dyck

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The impact of mental and somatic stressors on physical activity and sedentary behaviour in adults with type 2 diabetes mellitus: a diary study by Louise Poppe, Annick L. De Paepe, Dimitri M.L. Van Ryckeghem, Delfien Van Dyck, Iris Maes, Geert Crombez

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Main and interacting effects of physical activity and sedentary time on older adults' BMI: The moderating roles of socio-demographic and environmental attributes. by Delfien Van Dyck, Anthony Barnett, Jelle Van Cauwenberg, Casper J P Zhang, Cindy H P Sit, Ester Cerin

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