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Relationships between objectively measured sedentary behavior during pregnancy and infant birthweight

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Benabid, Abdelmoumene, Deslauriers, Lara, Sinclair, Isabelle, St-Pierre, Myriane, Vaillancourt, Cathy ORCID: https://orcid.org/0000-0003-0543-6244, Gagnon, Sonia et Dancause, Kelsey N. (2021). Relationships between objectively measured sedentary behavior during pregnancy and infant birthweight International Journal of Environmental Research and Public Health , vol. 18 , nº 19:10000. p. 1-13. DOI: 10.3390/ijerph181910000.

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Résumé

Background: Although numerous studies have assessed physical activity during pregnancy and relationships with infant outcomes, such as birthweight, few have evaluated sedentary behavior. Our objective was to evaluate sedentary behavior across pregnancy and relationships with infant birthweight in a sociodemographically diverse sample. Methods: We measured device-assessed sedentary behavior and physical activity over three days at 16–18, 24–26, and 32–34 weeks gestation and infant birthweight from medical records among 71 participants. We used linear regression to assess relationships between sedentary behavior at each evaluation period with birthweight-for-gestational age Z-scores (BW-for-GA). Results: There were no linear relationships between sedentary behavior and BW-for-GA at any evaluation period. We observed a modest curvilinear relationship between sedentary behavior at 16–18 weeks and BW-for-GA (R2 = 0.073, p = 0.021). Low and high levels of sedentary behavior predicted lower BW-for-GA. Multivariate models suggested that this relationship was independent of physical activity levels. Conclusions: Considering the high levels of sedentary behavior during pregnancy observed in many studies, even modest associations with birthweight merit further consideration. Relationships might not be evident later in pregnancy or if only linear relationships are considered. More detailed studies could help guide recommendations on sedentary behavior during pregnancy and the development of more comprehensive interventions. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Type de document: Article
Mots-clés libres: Developmental Origins of Health and Disease; Health Behaviors; Maternal and Infant Health; Physical Activity; Sedentarity
Centre: Centre INRS-Institut Armand Frappier
Date de dépôt: 22 juin 2022 19:13
Dernière modification: 22 juin 2022 19:13
URI: https://espace.inrs.ca/id/eprint/12298

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