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Objective <p>The objective of this study was to investigate the association between overall child development and the consolidation of circadian rhythmicity during early childhood.</p> Methods <p>Rest-activity data were measured through actigraphy, and child development status was assessed using a questionnaire, the Caregiver Reported Early Development Instruments (<i>CREDI)</i> short form. Data were collected from 32 infants, aged 3–35&#xa0;months. To evaluate possible &#xa0;associations between the overall <i>CREDI</i> score and non-parametric rest-activity variables, an alternative regression model was estimated based on the residualized components of Relative Amplitude (RA) and overall <i>CREDI</i> score, controlling for the effect of age.</p> Results <p>A correlation was found between the overall <i>CREDI</i> score and RA (r = 0,74, p &lt; 0.001) and the individual effect of RA was able to predict 24% (R<sup>2</sup> = 0,24; R<sup>2</sup> adjusted = 0,21) of the variability in the overall <i>CREDI</i> score.</p> Conclusion <p>Our results showed that increased circadian amplitude, reflecting circadian rhythm consolidation, was positively associated with developmental status in early childhood.</p>

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Circadian Rhythmicity Consolidation is Positively Associated with Overall Developmental Status in Early Childhood

  • 期刊论文

  • 发表日期：

    2025年1月3日

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  • Gustavo David dos Santos,
  • Helena Schmidt,
  • Adrielle Holler Pykocz,
  • Mariah Joanna Koch Gomes,
  • Rebeca Buest de Mesquita Silva,
  • Júlia Fernandes da Silva,
  • Marianne Boçoen,
  • Anderson Joel Martino Andrade,
  • Fernando Mazzilli Louzada

摘要

Objective

The objective of this study was to investigate the association between overall child development and the consolidation of circadian rhythmicity during early childhood.

Methods

Rest-activity data were measured through actigraphy, and child development status was assessed using a questionnaire, the Caregiver Reported Early Development Instruments (CREDI) short form. Data were collected from 32 infants, aged 3–35 months. To evaluate possible  associations between the overall CREDI score and non-parametric rest-activity variables, an alternative regression model was estimated based on the residualized components of Relative Amplitude (RA) and overall CREDI score, controlling for the effect of age.

Results

A correlation was found between the overall CREDI score and RA (r = 0,74, p < 0.001) and the individual effect of RA was able to predict 24% (R2 = 0,24; R2 adjusted = 0,21) of the variability in the overall CREDI score.

Conclusion

Our results showed that increased circadian amplitude, reflecting circadian rhythm consolidation, was positively associated with developmental status in early childhood.