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Self\u2010reported phenotypic data were collected online including stuttering symptomatology, co\u2010occurring phenotypes, genetic predisposition, factors associated with stuttering severity, and impact on anxiety, education, and employment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A total of 987 participants (852 adults: 590 males, 262 females, mean age 49\u00a0years [SD\u00a0=\u00a017\u00a0years 10\u00a0months; range\u00a0=\u00a018\u201393\u00a0years] and 135 children: 97 males, 38 females, mean age 11\u00a0years 4\u00a0months [SD\u00a0=\u00a03\u00a0years; range\u00a0=\u00a07\u201317\u00a0years]) were recruited. Stuttering onset occurred at age 3 to 6\u00a0years in 64.0%. Blocking (73.2%) was the most frequent phenotype; 75.9% had sought stuttering therapy and 15.5% identified as having recovered. Half (49.9%) reported a family history. There was a significant negative correlation with age for both stuttering frequency and severity in adults. Most were anxious due to stuttering (90.4%) and perceived stuttering as a barrier to education and employment outcomes (80.7%).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Interpretation<\/jats:title>\n                    <jats:p>The frequent persistence of stuttering and the high proportion with a family history suggest that stuttering is a complex trait that does not often resolve, even with therapy. These data provide new insights into the phenotype and prognosis of stuttering, information that is critically needed to encourage the development of more effective speech therapies.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>What this paper adds<\/jats:title>\n                    <jats:p>\n                      <jats:list list-type=\"bullet\">\n                        <jats:list-item>\n                          <jats:p>Half of the study cohort had a family history of stuttering.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>While 75.9% of participants had sought stuttering therapy, only 15.5% identified as having recovered.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>There was a significant negative correlation between age and stuttering frequency and severity in adults.<\/jats:p>\n                        <\/jats:list-item>\n                      <\/jats:list>\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/dmcn.15211","type":"journal-article","created":{"date-parts":[[2022,3,21]],"date-time":"2022-03-21T04:46:06Z","timestamp":1647837966000},"page":"1297-1306","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":34,"title":["Self\u2010reported impact of developmental stuttering across the lifespan"],"prefix":"10.1111","volume":"64","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5836-0741","authenticated-orcid":false,"given":"Jessica O.","family":"Boyce","sequence":"first","affiliation":[{"name":"Speech and Language Murdoch Children's Research Institute  Melbourne VIC Australia"},{"name":"Department of Audiology and Speech Pathology University of Melbourne  Parkville VIC 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