{"id":24479,"date":"2026-09-04T16:22:14","date_gmt":"2026-09-04T20:22:14","guid":{"rendered":"https:\/\/www.ices.on.ca\/?post_type=journal_article&#038;p=24479"},"modified":"2026-09-09T16:27:33","modified_gmt":"2026-09-09T20:27:33","slug":"trends-and-disparities-in-diabetes-prevalence-in-ontario-canada-between-2015-2021","status":"publish","type":"journal_article","link":"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/trends-and-disparities-in-diabetes-prevalence-in-ontario-canada-between-2015-2021\/","title":{"rendered":"Trends and disparities in diabetes prevalence in Ontario, Canada between 2015-2021"},"content":{"rendered":"<p><strong>Background<\/strong> \u2014 The rising prevalence of diabetes disproportionately impacts socially-disadvantaged communities. We aimed to determine whether trends of diabetes prevalence vary by age, sex, and neighbourhood socioeconomic status (SES).<\/p>\n<p><strong>Methods<\/strong> \u2014 We conducted a population-based cross-sectional time-series analysis using health administrative data for adults aged \u226520 years (&gt;90% type 2 diabetes) from 2015 (N=10,935,448) to 2021 (N=11,885,060). Annual crude and age-sex standardized prevalence rates were estimated using a validated administrative case definition. Neighbourhood SES was measured using the Material Deprivation Domain of the Ontario Marginalization Index and categorized into quintiles (Q1 least deprived to Q5 most deprived).<\/p>\n<p><strong>Results<\/strong> \u2014 Age-sex standardized prevalence of diabetes increased nearly 6% from 10.8 in 2015 to 11.4% in 2021. Increases were consistent across all age and sex groups, with the largest relative increases among adults aged 20-34 years (males +17.1%, females +11.3%). Diabetes prevalence rose across all neighbourhood deprivation quintiles, remaining highest in the most deprived areas from 2015 to 2021 (13.3% to 14.1%). Relative increases ranged from 5.8% in the most deprived areas to 7.1% in the least deprived areas. A clear socioeconomic gradient was observed where diabetes prevalence was 42% higher in the most deprived neighbourhoods (Q5 RR 1.42, 95% CI 1.41-1.44; all p&lt;0.0001) compared to the least (Q1) deprived areas, underscoring the structural nature of diabetes inequities.<\/p>\n<p><strong>Conclusions<\/strong> \u2014 Diabetes prevalence continues to increase in the lowest income areas, calling for more tailored and culturally sensitive policy interventions and programs to reduce the future burden of diabetes among populations living with social disadvantage.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Background \u2014 The rising prevalence of diabetes disproportionately impacts socially-disadvantaged communities. We aimed to determine whether trends of diabetes prevalence vary by age, sex, and neighbourhood socioeconomic status (SES). Methods \u2014 We conducted a population-based cross-sectional time-series analysis using health administrative data for adults aged \u226520 years (&gt;90% type 2 diabetes) from 2015 (N=10,935,448) to [&hellip;]<\/p>\n","protected":false},"template":"","migration-helper-automated":[],"migration-manual":[],"topic":[50,20],"migration-helper-qa-sample-set":[],"class_list":["post-24479","journal_article","type-journal_article","status-publish","hentry","topic-endocrinology","topic-health-and-health-care-inequality"],"acf":{"citation":"Hanna C, Thiruchelvam D, Kenaszchuk C, Lipscombe LL, Shah BR, Ke C, Booth GL, Rosella LC, Ali FM, Zehra A, Fazli GS. <em>Can J Diabetes<\/em>. 2026; S1499-2671(26): 00348-5. Epub 2026 Sep 4.","source_url":"https:\/\/doi.org\/10.1016\/j.jcjd.2026.08.186","ices_scientist":[1295,1361,1142,1175,1339,17627],"site":[6735],"research_program":[6746],"news_release":"","journal_article":"","atlas":"","research_report":"","infographic":"","video":"","downloads":null,"links":null,"sitecore_item_id":"","sitecore_item_name":"","sitecore_field_values":"","previous_url":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ICES | Trends and disparities in diabetes prevalence in Ontario, Canada between 2015-2021<\/title>\n<meta name=\"description\" content=\"Background \u2014 The rising prevalence of diabetes disproportionately impacts socially-disadvantaged communities. We aimed to determine whether trends of\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/trends-and-disparities-in-diabetes-prevalence-in-ontario-canada-between-2015-2021\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ICES | Trends and disparities in diabetes prevalence in Ontario, Canada between 2015-2021\" \/>\n<meta property=\"og:description\" content=\"Background \u2014 The rising prevalence of diabetes disproportionately impacts socially-disadvantaged communities. 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