[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-428148-105":3,"detail-sidebar-cat-0-en-105":85,"doc-detail-428148-en":134},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":78,"head_meta":80,"extra_data":82,"updated_unix":84},105,"en","medicaid-expansion-and-state-level-differences-in-longevity-based-aging-thresholds-research-report","Medicaid Expansion and State-Level Differences in Longevity-Based Aging Thresholds - Research Report","","The study evaluates how Medicaid expansion under the Affordable Care Act reshaped longevity and wellbeing for older adults across U.S. states. Using two demographic indicators—the Prospective Old Age Threshold (POAT) and the Comparative Prospective Old Age Threshold (CPOAT)—it measures shifts in the “old-age threshold” where remaining life expectancy reaches 15 years and adjusts for state-level variation in reaching that point. State demographic and mortality data from 2010–2022 were analyzed with difference-in-differences methods. Results link expansion to larger POAT/CPOAT gains, especially in earlier adopters.",{"@graph":14,"@context":77},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/research-report/","Research & Report",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/medicaid-expansion-and-state-level-differences-in-longevity-based-aging-thresholds-research-report/428148/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/medicaid-expansion-and-state-level-differences-in-longevity-based-aging-thresholds-research-report/428148.png","ImageObject",300,407,{"name":42,"@type":43},"Terk","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-08","2026-09-29",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",5,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69,73],{"name":60,"@type":61,"acceptedAnswer":62},"What is the main purpose of the study on Medicaid expansion?","Question",{"text":63,"@type":64},"To assess how Medicaid expansion influenced longevity and wellbeing among older adults at the state level. It focuses on measurable changes in aging thresholds over time.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"How do POAT and CPOAT differ, and what do they measure?",{"text":68,"@type":64},"POAT marks the age when remaining life expectancy equals 15 years. CPOAT adjusts that threshold to reflect how rare it is to reach POAT in each state, capturing state-level variation.",{"name":70,"@type":61,"acceptedAnswer":71},"What analytical approach was used to estimate the effects?",{"text":72,"@type":64},"The study used descriptive analyses and multivariate difference-in-differences models to evaluate annual state-level changes in aging thresholds from 2010–2022.",{"name":74,"@type":61,"acceptedAnswer":75},"What are the key findings regarding Medicaid expansion’s impact?",{"text":76,"@type":64},"Medicaid expansion was associated with larger increases in POAT and CPOAT (about 1.8 to 2.4 years), with stronger effects in states that expanded earlier, indicating improved longevity for older adults.","https://schema.org",{"og:url":32,"og:type":79,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":81,"canonical":32},"index,follow",{"doc_id":83,"site_id":7},428148,1790812032,{"code":4,"msg":86,"data":87},"success",[88,92,96,100,104,109,114,118,123,126,130],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":89,"show_sort_weight":90,"slug":91},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":93,"show_sort_weight":94,"slug":95},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":97,"show_sort_weight":98,"slug":99},"Exam",70,"exam",{"id":55,"doc_module":4,"doc_module_name":25,"category_name":101,"show_sort_weight":102,"slug":103},"Comic",60,"comic",{"id":105,"doc_module":4,"doc_module_name":25,"category_name":106,"show_sort_weight":107,"slug":108},6,"Technology",50,"technology",{"id":110,"doc_module":4,"doc_module_name":25,"category_name":111,"show_sort_weight":112,"slug":113},7,"Healthcare",40,"healthcare",{"id":115,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":116,"slug":117},8,30,"research-report",{"id":119,"doc_module":4,"doc_module_name":25,"category_name":120,"show_sort_weight":121,"slug":122},9,"Religion & Spirituality",20,"religion-spirituality",{"id":121,"doc_module":4,"doc_module_name":25,"category_name":124,"show_sort_weight":121,"slug":125},"World Cup","world-cup",{"id":127,"doc_module":4,"doc_module_name":25,"category_name":128,"show_sort_weight":127,"slug":129},10,"Lifestyle","lifestyle",{"id":131,"doc_module":4,"doc_module_name":25,"category_name":132,"show_sort_weight":55,"slug":133},19,"General","general",{"code":4,"msg":86,"data":135},{"doc_id":83,"user_id":136,"nickname":42,"user_avatar":137,"doc_module":4,"category_id":115,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":138,"file_id":139,"file_url":140,"file_type":141,"file_size":142,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":22,"language":143,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":144,"faqs":145,"seo_title":146,"seo_description":12,"update_tm":147,"read_time":30},1099525198933,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","1318 Innovation in Aging, 2025, Vol. 9, No. S2  \nThe Affordable Care Act (ACA), implemented in 2014, allowed U.S. states to expand Medicaid eligibility to previously uninsured populations. The timing and extent of expansion varied across states. While prior research has examined ACA-related mortality outcomes among younger adults, its long-term effects on older populations remain underexplored. This study examineshow Medicaid expansion influenced longevity and wellbeing among older adults using two novel demographic indicators: the Prospective Old Age Threshold (POAT) and the Comparative  \nProspective Old Age Threshold (CPOAT) . POAT represents the age at which remaining life expectancy equals 15 years, while CPOAT adjusts this measure to reflect state-level variation in the rarity of reaching POAT. Both measures capture shifts in the“old-age threshold,” with higher thresholds indicating greater gains in life expectancy. We analyzed state-level demographic and mortality data from 2010–2022 linking national datasets, including CDC WONDER, the Behavioral Risk Factor Surveillance System, the Health Resources and Services Administration, the U.S. Census Bureau, and the Bureau of Labor Statistics. States were classified as Medicaid expansion or non-expansion based on Kaiser Family Foundation records. Descriptive analyses and multivariate difference-in-differences models were used to assess annual state-level changes in aging thresholds. Preliminary findings indicate that Medicaid expans∼ion was associated with larger increases in POAT and CPOAT  \n( 1.8 to 2.4 years), with stronger effects in states that expanded earlier. Although the magnitude varied across measures and covariates, the overall trend suggests Medicaid expansion improved longevity among older adults. These findings underscore Medicaid expansion’s role in promoting equitable health gains across aging populations.  \nAbstract citation ID: igaf122.4388  \nMEDICAID EXPANSION AND STATE-LEVEL  \nDIFFERENCES IN LONGEVITY-BASED AGING  \nTHRESHOLDS  \nArun Balachandran1, Danny Alex2, and Daniel Belsky3,  \n1. Columbia University, New York City, New York, United States, 2. Florida State University, New York, New York, United States, 3. Columbia University, New York, New York, United States","cbCaitOJDJ4haxpn","https://ap.wps.com/l/cbCaitOJDJ4haxpn","pdf",1159404,"English","# Medicaid expansion and aging thresholds\n## Conceptual framework: POAT and CPOAT\n## Data and methods (2010–2022)\n## Findings and implications","[{\"question\":\"What is the main purpose of the study on Medicaid expansion?\",\"answer\":\"To assess how Medicaid expansion influenced longevity and wellbeing among older adults at the state level. It focuses on measurable changes in aging thresholds over time.\"},{\"question\":\"How do POAT and CPOAT differ, and what do they measure?\",\"answer\":\"POAT marks the age when remaining life expectancy equals 15 years. CPOAT adjusts that threshold to reflect how rare it is to reach POAT in each state, capturing state-level variation.\"},{\"question\":\"What analytical approach was used to estimate the effects?\",\"answer\":\"The study used descriptive analyses and multivariate difference-in-differences models to evaluate annual state-level changes in aging thresholds from 2010–2022.\"},{\"question\":\"What are the key findings regarding Medicaid expansion’s impact?\",\"answer\":\"Medicaid expansion was associated with larger increases in POAT and CPOAT (about 1.8 to 2.4 years), with stronger effects in states that expanded earlier, indicating improved longevity for older adults.\"}]","Medicaid Expansion and State-Level Differences in Longevity-Based Aging Thresholds - Research Report | PDF",1790645927]