Impact of Differing Language Background Exposures on Bayley-III Language Assessment in a National Cohort of Children Born Less than 29 Weeks' Gestation

Preterm infants are at risk for adverse neurodevelopmental outcomes, especially language delay. Preterm infants < 29 weeks’ gestational age, cared for in Canadian Neonatal Follow-Up Network affiliated hospitals, were assessed between 18 to 21 months corrected age using the Bayley-III. Bayley-III...

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Bibliographic Details
Published in:	Children (Basel) Vol. 9; no. 7; p. 1048
Main Authors:	Chan, Natalie Hoi-Man, Synnes, Anne, Grunau, Ruth E, Colby, Lindsay, Petrie, Julie, Elfring, Tracy, Richter, Lindsay, Hendson, Leonora, Banihani, Rudaina, Luu, Thuy Mai, On Behalf Of The Canadian Neonatal Follow-Up Network Investigators
Format:	Journal Article
Language:	English
Published:	Switzerland MDPI AG 14-07-2022 MDPI
Subjects:	Bayley Bilingualism Caregivers Cochlear implants Data collection Education Ethics Ethnicity Families & family life Gestational age Hearing aids Hearing loss Interpreters Language neurodevelopment Newborn babies Pediatrics Premature babies prematurity Sociodemographics Standard scores Transplants & implants Canada Bayley language prematurity neurodevelopment
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Summary:	Preterm infants are at risk for adverse neurodevelopmental outcomes, especially language delay. Preterm infants < 29 weeks’ gestational age, cared for in Canadian Neonatal Follow-Up Network affiliated hospitals, were assessed between 18 to 21 months corrected age using the Bayley-III. Bayley-III Language Composite Scores were compared using univariate and multivariate analyses for children in three primary language groups: English, French and other. 6146 children were included. The primary language at home was English, French or another language for 3708 children (60%), 1312 children (21%) and 1126 children (18%), respectively, and overall, 44% were exposed to two or more languages at home. Univariate analysis showed that primary language was associated with lower Bayley-III Language scores; however, multivariate analyses demonstrated that neither primary language nor language of administration were significantly associated with lower language scores when adjusted for gestational age, other developmental delays and sociodemographic factors, but multiple language exposure was. Sociodemographic and other factors are more important in determining language development than primary language at home. Further studies are needed to examine the association between exposure to multiple languages and lower Bayley-III language scores in preterm infants.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 Members of Canadian Neonatal Follow-Up Network Investigators are listed in the Supplementary Materials.
ISSN:	2227-9067 2227-9067
DOI:	10.3390/children9071048