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Allostatic Load and Birth Weight among Hispanic/Latina Women in the United States : = Findings from the Hispanic Community Health Study/Study of Latinos.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Allostatic Load and Birth Weight among Hispanic/Latina Women in the United States :/
Reminder of title:	Findings from the Hispanic Community Health Study/Study of Latinos.
Author:	Birdsall, Stacia B.
Description:	1 online resource (168 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 83-12, Section: B.
Contained By:	Dissertations Abstracts International83-12B.
Subject:	Nursing. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28717543click for full text (PQDT)
ISBN:	9798438783008

Allostatic Load and Birth Weight among Hispanic/Latina Women in the United States : = Findings from the Hispanic Community Health Study/Study of Latinos.
Birdsall, Stacia B.

Allostatic Load and Birth Weight among Hispanic/Latina Women in the United States :Findings from the Hispanic Community Health Study/Study of Latinos. - 1 online resource (168 pages)

Source: Dissertations Abstracts International, Volume: 83-12, Section: B.

Thesis (Ph.D.)--New York University, 2021.

Includes bibliographical references

Background: Weight at birth is an important measure of maternal-fetal health. Both low birth weight and macrosomia (high birth weight) are associated with health sequelae across the life span, including increased risk of cardiometabolic disease. Allostatic load, a physiologic measure of the cumulative effects of stress, has been linked to perinatal outcomes, but its relationship to birth weight is unclear. The objective of the study was to examine the relationship between allostatic load and birth weight among Hispanic/Latina women.Methods: This was a secondary data analysis using data from the Hispanic Community Health Study/Study of Latinos (HCHS/SOL), a community-based observational longitudinal cohort study of 16,415 self-identified Hispanic/Latino individuals in four field sites (Miami, FL; Bronx, NY; Chicago, IL; and San Diego, CA) with heritage from Cuba, Dominican Republic, Mexico, Puerto Rico, and Central and South America. This study included 517 women, aged 18-44 at baseline, who reported the birth of a live, singleton infant between HCHS/SOL Visit 1 and Visit 2. The main exposure of allostatic load was collected at Visit 1 (2008-2011). This was measured as a composite index of 16 physiologic markers representing the cardiometabolic, glucose metabolism, cardiopulmonary, parasympathetic, and inflammatory systems. Pregnancy and birth information were collected at Visit 2 (2014-2017). Linear regression was used to examine the relationship between maternal preconception allostatic load and subsequent infant birth weight z-score. Multinomial and logistic regression were used to examine the relationship between allostatic load and infant birth weight categories (low birth weight, normal weight, and macrosomia).Results: Allostatic load scores ranged from 0-13 with a mean [95% CI] of 3.60 [3.31, 3.89]. The mean (standard deviation) birth weight z-score was 0.46 (1.0); 81% of the infants were normal weight, 7.1% were low birth weight, and 11.9% were macrosomic. The composite allostatic load score was not significantly associated with birth weight z-score, or with any birth weight category. When system-specific component sub-scores were examined, the glucose metabolism sub-score was associated with birth weight z-score and low birth weight. The exclusion of women of Puerto Rican heritage, who are known to have different patterns of birth weight compared to women of other Hispanic/Latina heritage, did not substantively change these associations.Conclusions and Implications: Overall, preconception allostatic load was not associated with birth weight in this cohort of Hispanic/Latina women. However, dysregulation in glucose metabolism was associated with low birth weight and this may represent a potential area for intervention in preconception care. Further research is needed to refine of the understanding of allostatic load in relation to birth weight, taking into consideration the contributions of the component systems and the broader context of stress, structural barriers, and resilience in women's lives.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798438783008Subjects--Topical Terms:

528444
Nursing.
Subjects--Index Terms:

Allostatic loadIndex Terms--Genre/Form:

542853
Electronic books.

Allostatic Load and Birth Weight among Hispanic/Latina Women in the United States : = Findings from the Hispanic Community Health Study/Study of Latinos.
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502 $a Thesis (Ph.D.)--New York University, 2021.
504 $a Includes bibliographical references
520 $a Background: Weight at birth is an important measure of maternal-fetal health. Both low birth weight and macrosomia (high birth weight) are associated with health sequelae across the life span, including increased risk of cardiometabolic disease. Allostatic load, a physiologic measure of the cumulative effects of stress, has been linked to perinatal outcomes, but its relationship to birth weight is unclear. The objective of the study was to examine the relationship between allostatic load and birth weight among Hispanic/Latina women.Methods: This was a secondary data analysis using data from the Hispanic Community Health Study/Study of Latinos (HCHS/SOL), a community-based observational longitudinal cohort study of 16,415 self-identified Hispanic/Latino individuals in four field sites (Miami, FL; Bronx, NY; Chicago, IL; and San Diego, CA) with heritage from Cuba, Dominican Republic, Mexico, Puerto Rico, and Central and South America. This study included 517 women, aged 18-44 at baseline, who reported the birth of a live, singleton infant between HCHS/SOL Visit 1 and Visit 2. The main exposure of allostatic load was collected at Visit 1 (2008-2011). This was measured as a composite index of 16 physiologic markers representing the cardiometabolic, glucose metabolism, cardiopulmonary, parasympathetic, and inflammatory systems. Pregnancy and birth information were collected at Visit 2 (2014-2017). Linear regression was used to examine the relationship between maternal preconception allostatic load and subsequent infant birth weight z-score. Multinomial and logistic regression were used to examine the relationship between allostatic load and infant birth weight categories (low birth weight, normal weight, and macrosomia).Results: Allostatic load scores ranged from 0-13 with a mean [95% CI] of 3.60 [3.31, 3.89]. The mean (standard deviation) birth weight z-score was 0.46 (1.0); 81% of the infants were normal weight, 7.1% were low birth weight, and 11.9% were macrosomic. The composite allostatic load score was not significantly associated with birth weight z-score, or with any birth weight category. When system-specific component sub-scores were examined, the glucose metabolism sub-score was associated with birth weight z-score and low birth weight. The exclusion of women of Puerto Rican heritage, who are known to have different patterns of birth weight compared to women of other Hispanic/Latina heritage, did not substantively change these associations.Conclusions and Implications: Overall, preconception allostatic load was not associated with birth weight in this cohort of Hispanic/Latina women. However, dysregulation in glucose metabolism was associated with low birth weight and this may represent a potential area for intervention in preconception care. Further research is needed to refine of the understanding of allostatic load in relation to birth weight, taking into consideration the contributions of the component systems and the broader context of stress, structural barriers, and resilience in women's lives.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
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