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Health Action Process constructs (self-efficacy, planning, risk perception, outcome expectancy, and intention) were analyzed using structural equation modeling and multigroup analysis. Motivational constructs predicted intention more strongly among older survivors, whereas volitional constructs predicted physical activity more strongly in younger survivors, with pathway differences across risk perception, action planning, and recovery self-efficacy.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/age-related-physical-activity-determinants-in-breast-cancer-survivors-a-theory-based-multigroup-analysis/426631/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/age-related-physical-activity-determinants-in-breast-cancer-survivors-a-theory-based-multigroup-analysis/426631.png","ImageObject",300,407,{"name":92,"@type":93},"Alexandar","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-22","2026-09-29",true,{"@type":102,"interactionType":103,"userInteractionCount":34},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What problem does the study address about physical activity in breast cancer survivors?","Question",{"text":112,"@type":113},"Older breast cancer survivors are generally less physically active than younger survivors. The study investigates whether motivational and volitional factors influence physical activity differently across age groups.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How were the study groups and sample recruited?",{"text":117,"@type":113},"The study recruited 218 older and 287 younger breast cancer survivors, then assessed theory-based constructs related to physical activity.",{"name":119,"@type":110,"acceptedAnswer":120},"What were the key findings about motivational and volitional influences by age group?",{"text":121,"@type":113},"Motivational constructs explained intention variance more in older survivors, while volitional constructs explained physical activity variance more in younger survivors. Group differences were also found in multiple pathways linking risk perception, action planning, and recovery self-efficacy.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},426631,1790795135,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":34,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":8,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":81},962090768658,"https://ap-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","Innovation in Aging, 2025, Vol. 9, No. S2 951  \nHealth Action Process Approach-including self-efficacy, planning, risk perception, outcome expectancy, intention, and physical activity-were assessed. Structural equation modeling and multigroup analysis were employed to examine the data. Results: Motivational constructs explained 27.8% of the variance in intention among older survivors compared to 3.2% among younger survivors, while volitional constructs explained 42.1% of physical activity variance for older survivors and 88.1% for younger survivors. Significant group differences were observed in the pathways linking risk perception to intention, action planning to physical activity, and recovery self-efficacy to physical activity. Conclusion: These findings indicate that motivational factors exert stronger influences on older survivors, whereas volitional factors are more critical for younger survivors. Tailored interventions addressing these age-specific influences may be key to enhancing physical activity engagement.  \nAbstract citation ID: igaf122.3212  \nAGE-RELATED PHYSICAL ACTIVITY DETERMINANTS  \nIN BREAST CANCER SURVIVORS: A THEORY-BASED  \nMULTIGROUP ANALYSIS  \nJeongeun Hwang, Xirong Cui, Ah Rim Lee, Moonkyoung Park, Eunyoung Park, Hyun-E Yeom, and Misook Jung, Chungnam National University, Daejeon, Republic of Korea  \nBackground: Physical activity is a proven non-pharmacological intervention that alleviates treatment-related symptoms, enhances cardiovascular health, lowers cancer recurrence and mortality risks, and improve daily functioning and quality of life. However, older breast cancer survivors tend to be less active than younger survivors. This age-related disparity may stem from challenges unique to older survivors-such as reduced self-efficacy due to physical limitations or past negative experiences-which can diminish their motivation to initiate or maintain exercise routines. Yet, it remains unclear whether these motivational factors influence physical activity engagement differently across age groups. This study compared the effects of motivational and volitional factors on physical activity among older and younger cancer survivors. Methods: A total of 218 older and 287 younger breast cancer survivors were recruited. Key constructs from the","cbCaiu32qFl6mxoq","https://ap.wps.com/l/cbCaiu32qFl6mxoq","pdf",45451,"English","# Background\n# Methods\n# Results\n# Conclusion","[{\"question\":\"What problem does the study address about physical activity in breast cancer survivors?\",\"answer\":\"Older breast cancer survivors are generally less physically active than younger survivors. The study investigates whether motivational and volitional factors influence physical activity differently across age groups.\"},{\"question\":\"How were the study groups and sample recruited?\",\"answer\":\"The study recruited 218 older and 287 younger breast cancer survivors, then assessed theory-based constructs related to physical activity.\"},{\"question\":\"What were the key findings about motivational and volitional influences by age group?\",\"answer\":\"Motivational constructs explained intention variance more in older survivors, while volitional constructs explained physical activity variance more in younger survivors. Group differences were also found in multiple pathways linking risk perception, action planning, and recovery self-efficacy.\"}]","AGE-RELATED PHYSICAL ACTIVITY DETERMINANTS IN BREAST CANCER SURVIVORS - A THEORY-BASED MULTIGROUP ANALYSIS | PDF",1790641219]