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Iron Deficiency in Infancy and Sluggish Cognitive Tempo and ADHD Symptoms in Childhood and Adolescence.

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Title: Iron Deficiency in Infancy and Sluggish Cognitive Tempo and ADHD Symptoms in Childhood and Adolescence.
Authors: East, Patricia L. (AUTHOR), Doom, Jenalee R. (AUTHOR), Blanco, Estela (AUTHOR), Burrows, Raquel (AUTHOR), Lozoff, Betsy (AUTHOR), Gahagan, Sheila (AUTHOR)
Source: Journal of Clinical Child & Adolescent Psychology. Mar/Apr2023, Vol. 52 Issue 2, p259-270. 12p.
Subjects: Iron deficiency, Adolescence, Infants, Chileans, Symptoms, Acalculia, Verbal ability
Abstract: To determine whether iron deficiency in infancy is associated with sluggish cognitive tempo (SCT) or attention-deficit/hyperactive-impulsive (AD-HI) symptoms in childhood and adolescence, and whether such behaviors contribute concurrently and predictively to lower verbal and mathematical abilities. Chilean children (N = 959; 50% male, of Spanish or indigenous descent from working-class backgrounds) were rated by mothers for SCT or AD-HI symptoms at ages 5, 10, and 16 years. Children completed standardized tests assessing verbal and mathematical abilities at ages 5, 10, and 16. At ages 12 and 18 months, children were assessed for iron deficiency. Adjusting for a comprehensive panel of covariates, greater severity of iron deficiency in infancy was associated with more frequent SCT and AD-HI symptoms at all ages studied. Most effects of iron deficiency on children's verbal and math skills were indirect, mediated through AD-HI behaviors. Children's AD-HI symptoms related to lower verbal and math test scores within age and across age. The long-term associations found between infant iron deficiency and SCT and AD-HI behaviors suggest that the neurodevelopmental alterations that stem from postnatal iron deficiency might play an etiological role in the development of ADHD. Screening for early-life nutritional deficiencies among children with SCT or ADHD symptoms might prove useful, and behavioral screening of children with a history of iron deficiency seems warranted. Interventions that support brain development after early nutritional deprivation also would be beneficial. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Clinical Child & Adolescent Psychology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Iron Deficiency in Infancy and Sluggish Cognitive Tempo and ADHD Symptoms in Childhood and Adolescence.
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  Data: <searchLink fieldCode="AR" term="%22East%2C+Patricia+L%2E%22">East, Patricia L.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Doom%2C+Jenalee+R%2E%22">Doom, Jenalee R.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Blanco%2C+Estela%22">Blanco, Estela</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Burrows%2C+Raquel%22">Burrows, Raquel</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lozoff%2C+Betsy%22">Lozoff, Betsy</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gahagan%2C+Sheila%22">Gahagan, Sheila</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Clinical+Child+%26+Adolescent+Psychology%22">Journal of Clinical Child & Adolescent Psychology</searchLink>. Mar/Apr2023, Vol. 52 Issue 2, p259-270. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Iron+deficiency%22">Iron deficiency</searchLink><br /><searchLink fieldCode="DE" term="%22Adolescence%22">Adolescence</searchLink><br /><searchLink fieldCode="DE" term="%22Infants%22">Infants</searchLink><br /><searchLink fieldCode="DE" term="%22Chileans%22">Chileans</searchLink><br /><searchLink fieldCode="DE" term="%22Symptoms%22">Symptoms</searchLink><br /><searchLink fieldCode="DE" term="%22Acalculia%22">Acalculia</searchLink><br /><searchLink fieldCode="DE" term="%22Verbal+ability%22">Verbal ability</searchLink>
– Name: Abstract
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  Data: To determine whether iron deficiency in infancy is associated with sluggish cognitive tempo (SCT) or attention-deficit/hyperactive-impulsive (AD-HI) symptoms in childhood and adolescence, and whether such behaviors contribute concurrently and predictively to lower verbal and mathematical abilities. Chilean children (N = 959; 50% male, of Spanish or indigenous descent from working-class backgrounds) were rated by mothers for SCT or AD-HI symptoms at ages 5, 10, and 16 years. Children completed standardized tests assessing verbal and mathematical abilities at ages 5, 10, and 16. At ages 12 and 18 months, children were assessed for iron deficiency. Adjusting for a comprehensive panel of covariates, greater severity of iron deficiency in infancy was associated with more frequent SCT and AD-HI symptoms at all ages studied. Most effects of iron deficiency on children's verbal and math skills were indirect, mediated through AD-HI behaviors. Children's AD-HI symptoms related to lower verbal and math test scores within age and across age. The long-term associations found between infant iron deficiency and SCT and AD-HI behaviors suggest that the neurodevelopmental alterations that stem from postnatal iron deficiency might play an etiological role in the development of ADHD. Screening for early-life nutritional deficiencies among children with SCT or ADHD symptoms might prove useful, and behavioral screening of children with a history of iron deficiency seems warranted. Interventions that support brain development after early nutritional deprivation also would be beneficial. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Clinical Child & Adolescent Psychology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1080/15374416.2021.1969653
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 259
    Subjects:
      – SubjectFull: Iron deficiency
        Type: general
      – SubjectFull: Adolescence
        Type: general
      – SubjectFull: Infants
        Type: general
      – SubjectFull: Chileans
        Type: general
      – SubjectFull: Symptoms
        Type: general
      – SubjectFull: Acalculia
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      – SubjectFull: Verbal ability
        Type: general
    Titles:
      – TitleFull: Iron Deficiency in Infancy and Sluggish Cognitive Tempo and ADHD Symptoms in Childhood and Adolescence.
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            NameFull: East, Patricia L.
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            NameFull: Doom, Jenalee R.
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            NameFull: Burrows, Raquel
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            NameFull: Lozoff, Betsy
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              M: 03
              Text: Mar/Apr2023
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              Y: 2023
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