{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,2]],"date-time":"2026-08-02T06:44:17Z","timestamp":1785653057662,"version":"3.56.0"},"reference-count":30,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2020,4,24]],"date-time":"2020-04-24T00:00:00Z","timestamp":1587686400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Paediatrica"],"published-print":{"date-parts":[[2020,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>Create a Language ENvironment Analysis (LENA)\u2010based intervention to increase adolescent and infant speech and improve 12\u2010month language outcomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Randomised control trial of adolescent (15\u201019\u00a0years) mother\u2010infant pairs comparing language\u2010motor (intervention) and motor (control) groups. Intervention included reviewing language\u2010motor curriculums, formative feedback on 4 LENA recordings (baseline, post\u2010curriculum, 4 and 12\u2010months) and 16\u2010weekly language\u2010motor texts. Controls reviewed a motor curriculum, summative feedback of four recordings after study completion and 4\u2010monthly motor texts. Primary outcome was 12\u2010month MacArthur scores. Secondary outcomes were LENA counts and social impacts to language outcomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 108 infants were randomised. Groups had similar baseline characteristics and LENA counts. Both groups had low maternal Peabody Picture Vocabulary age\u2010equivalents (14.2\u00a0years). On post\u2010curriculum recording, intervention infants had higher vocalisations (188 vs 109, <jats:italic>P<\/jats:italic>\u00a0=\u00a0.02) and conversations (49 vs 30, <jats:italic>P<\/jats:italic>\u00a0=\u00a0.005) than controls. Group 4\u2010month and 12\u2010month LENA counts and 12\u2010month MacArthur scores were similar. In regression analyses, more people in the home and cohabiting with the infant's father were associated with higher MacArthur scores.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Linguistic feedback and a simple curriculum resulted in short\u2010term increased vocalisations and conversational turns for infants of adolescent mothers that were not sustained over time. Household characteristics provided protective effects on outcomes.<\/jats:p><\/jats:sec>","DOI":"10.1111\/apa.15261","type":"journal-article","created":{"date-parts":[[2020,3,18]],"date-time":"2020-03-18T21:43:22Z","timestamp":1584567802000},"page":"2604-2613","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Randomised control language intervention for infants of adolescent mothers"],"prefix":"10.1111","volume":"109","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7051-2990","authenticated-orcid":false,"given":"Laurie","family":"Hoffman","sequence":"first","affiliation":[{"name":"Department of Pediatrics Women and Infants Hospital of Rhode Island Providence Rhode Island"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alicia","family":"Hersey","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Women and Infants Hospital of Rhode Island Providence Rhode 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