{"id":22033,"date":"2025-04-08T15:31:08","date_gmt":"2025-04-08T19:31:08","guid":{"rendered":"https:\/\/www.ices.on.ca\/?post_type=journal_article&#038;p=22033"},"modified":"2025-06-27T15:35:19","modified_gmt":"2025-06-27T19:35:19","slug":"associations-of-prenatal-exposure-to-residential-greenspace-and-active-living-environments-with-cerebral-palsy","status":"publish","type":"journal_article","link":"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/associations-of-prenatal-exposure-to-residential-greenspace-and-active-living-environments-with-cerebral-palsy\/","title":{"rendered":"Associations of prenatal exposure to residential greenspace and active living environments with cerebral palsy: a population-based cohort study in Ontario, Canada"},"content":{"rendered":"<p><strong>Background<\/strong> \u2014 Prenatal exposure to environmental factors, such as greenspace and active living environments, has been associated with numerous health benefits, including improved neurodevelopmental outcomes. Although cerebral palsy (CP) is not typically linked to these exposures, emerging evidence suggests that exposure to environmental factors during pregnancy may influence brain development, making it important to explore their potential role in CP risk.<\/p>\n<p><strong>Methods<\/strong> \u2014 We conducted a retrospective cohort study using health administrative data from Ontario, Canada, between 1 April 2002 and 31 December 2020. We identified 1,436,411 mother-infant pairs, of which 2,883 were diagnosed with CP during the follow-up period. Exposures of interest included the Normalized Difference Vegetation Index (NDVI), Green View Index (GVI), and park proximity. The Canadian Active Living Environments index was also utilized. Cox proportional hazards models estimated hazard ratios (HRs) for CP risk associated with these environmental exposures, adjusting for potential confounders.<\/p>\n<p><strong>Results<\/strong> \u2014 Interquartile range (IQR) increases in NDVI (HR = 1.040; 95% confidence interval [CI]: 0.987, 1.096; per IQR = 0.1) and GVI (HR =0.989; 95% CI: 0.943, 1.038; per IQR = 10.05%) were not significantly associated with CP risk. Similar results were found for quartile increases of NDVI and GVI. Residential proximity to parks at birth was associated with a reduction in CP risk (HR = 0.946; 95% CI: 0.904, 0.990; per 0.06 increase in park proximity index), after adjusting for active living environment and air pollution.<\/p>\n<p><strong>Conclusions<\/strong> \u2014 Our study suggests that living closer to parks reduces the risk of CP. Further research should investigate these protective effects and consider other dimensions of greenspace quality and usability.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Background \u2014 Prenatal exposure to environmental factors, such as greenspace and active living environments, has been associated with numerous health benefits, including improved neurodevelopmental outcomes. Although cerebral palsy (CP) is not typically linked to these exposures, emerging evidence suggests that exposure to environmental factors during pregnancy may influence brain development, making it important to explore [&hellip;]<\/p>\n","protected":false},"template":"","migration-helper-automated":[],"migration-manual":[],"topic":[41,53],"migration-helper-qa-sample-set":[],"class_list":["post-22033","journal_article","type-journal_article","status-publish","hentry","topic-brain-diseases","topic-environmental-health"],"acf":{"citation":"Ahmed A, Hawken S, Gunz A, Talarico R, Yu C, Chen H, Villeneuve PJ, Lavigne \u00c9. <em>Environ Epidemiol<\/em>. 2025; 9(2):e379.","source_url":"https:\/\/doi.org\/10.1097\/ee9.0000000000000379","ices_scientist":[1260,21984,1190,1117,16884],"site":[6734],"research_program":[6745],"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 v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ICES | Associations of prenatal exposure to residential greenspace and active living environments with cerebral palsy: a population-based cohort study in Ontario, Canada<\/title>\n<meta name=\"description\" content=\"Background \u2014 Prenatal exposure to environmental factors, such as greenspace and active living environments, has been associated with numerous health\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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