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Individuals were further stratified based on the age at the first autism diagnoses and comorbid diagnoses up to the age of 16 were compared.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Most comorbidities were significantly associated with birth year and sex. Female\/male odds ratios for 8 of 11 comorbid conditions were up to 67% higher than the corresponding odds ratios in the non\u2010autism population, including conditions that are generally more common in males than in females as well as conditions that are more common in females. All comorbidity rates were significantly associated with the age at the first autism diagnosis, which was a stronger predictor than sex and birth year for 8 conditions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Comorbidity rates for females exceed what would be expected based on the sex ratios among non\u2010autistic individuals, indicating that the association between autism and comorbidity is stronger in females. Comorbidity rates are also highly dependent on the age at the first autism diagnosis, which may contribute to autism heterogeneity in research and clinical practice.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/acps.13345","type":"journal-article","created":{"date-parts":[[2021,7,6]],"date-time":"2021-07-06T13:24:32Z","timestamp":1625577872000},"page":"475-486","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":74,"title":["Autism comorbidities show elevated female\u2010to\u2010male odds ratios and are associated with the age of first autism diagnosis"],"prefix":"10.1111","volume":"144","author":[{"given":"Eya\u2010Mist","family":"R\u00f8dgaard","sequence":"first","affiliation":[{"name":"Department of Psychology University of Copenhagen K\u00f8benhavn K Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kristian","family":"Jensen","sequence":"additional","affiliation":[{"name":"Department of 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