Ethnic discrimination predicts poor self-rated health and cortisol in pregnancy: insights from New Zealand

Racism and hypothalamic-pituitary-adrenal axis functioning in childhood as risks for health disparities across the lifespan

Racism is a primary social determinant of health and chronic stressor that affects the physical and mental health of People of Color and Indigenous Individuals (POCI) and perpetuates racial and ethnic health disparities. Despite the impact of racism on POCI, the mechanisms through which experiences of racism result in negative health outcomes remain understudied, in particular among children. Dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis is one of the possible mechanisms. Frequent and prolonged exposure to chronic stressors may result in dysregulation of the HPA axis, and in turn cause adverse physical and psychological health outcomes for POCI children. This paper argues for the importance of examining HPA axis dysregulation as a mechanism that links racism during early childhood to negative health outcomes over the lifespan. Several studies have explored the relationship between racism and HPA axis dysregulation during adulthood and adolescence and have found associations between racism and salivary and hair cortisol. Recent studies have identified racial and ethnic differences in cortisol levels during early childhood, but only one study, to our knowledge, explored whether the differences are attributed to racism. In this paper, we conduct a review of the existing literature on the links between racism and HPA axis dysregulation during adulthood and adolescence given the dearth of studies exploring this relationship during early childhood. We also highlight the importance of utilizing an intersectionality framework in the study of racism and health to provide a more comprehensive and nuanced understanding of health disparities among and within racial/ethnic groups. Using this evidence along with consideration of relevant models, we propose how HPA axis dysregulation identified early in life may foreshadow children's increased risk for negative health outcomes from racism and other systems of oppression and signal the need for prevention and intervention.

Social Support Is Protective Against the Effects of Discrimination on Parental Mental Health Outcomes

BACKGROUND

Discrimination, or unfair treatment based on individual characteristics such as gender, race, skin color, and or sexual orientation, is a pervasive social stressor that perpetuates health disparities by limiting social and economic opportunity and is associated with poor mental and physical health outcomes.

AIMS

The purpose of the present study is to (1) examine the association between maternal experiences of discrimination and paternal experiences of discrimination; (2) explore how discrimination relates to parental (maternal and paternal) stress and depressive symptoms; and (3) examine whether social support exerts protective effects.

METHODS

The sample was 2,510 mothers and 1,249 fathers from the Child Community Health Network study. Linear regression models were conducted to explore associations between maternal and paternal discrimination. In addition, mediation analyses were conducted to explore if social support functioned as a mediator between discrimination on parental stress and depressive symptoms.

RESULTS

Most mothers (40.3%) and fathers (50.7%) identified race as the predominant reason for discrimination. Experiencing discrimination was significantly related to stress and depressive symptoms for both parents, and all forms of social support mediated these relationships. Our findings suggest that social support can act as a protective factor against the negative association between discrimination and both stress and depressive symptoms.

CONCLUSIONS

These findings highlight the need to integrate social support into existing interventions and include fathers in mental health screenings in primary-care settings. Finally, we briefly describe the role of nurses and other allied health professionals in addressing discrimination in health care and health policy implications.

Feasibility and acceptability of measuring prenatal stress in daily life using smartphone-based ecological momentary assessment and wearable physiological monitors

High levels of stress during pregnancy can have lasting effects on maternal and offspring health, which disproportionately impacts families facing financial strain, systemic racism, and other forms of social oppression. Developing ways to monitor daily life stress during pregnancy is important for reducing stress-related health disparities. We evaluated the feasibility and acceptability of using mobile health (mHealth) technology (i.e., wearable biosensors, smartphone-based ecological momentary assessment) to measure prenatal stress in daily life. Fifty pregnant women (67% receiving public assistance; 70% Black, 6% Multiracial, 24% White) completed 10 days of ambulatory assessment, in which they answered smartphone-based surveys six times a day and wore a chest-band device (movisens EcgMove4) to monitor their heart rate, heart rate variability, and activity level. Feasibility and acceptability were evaluated using behavioral meta-data and participant feedback. Findings supported the feasibility and acceptability of mHealth methods: Participants answered approximately 75% of the surveys per day and wore the device for approximately 10 hours per day. Perceived burden was low. Notably, participants with higher reported stressors and financial strain reported lower burden associated with the protocol than participants with fewer life stressors, highlighting the feasibility of mHealth technology for monitoring prenatal stress among pregnant populations living with higher levels of contextual stressors. Findings support the use of mHealth technology to measure prenatal stress in real-world, daily life settings, which shows promise for informing scalable, technology-assisted interventions that may help to reduce health disparities by enabling more accessible and comprehensive care during pregnancy.

Effects of social environments on male primate HPG and HPA axis developmental programming

Developmental plasticity is particularly important for humans and other primates because of our extended period of growth and maturation, during which our phenotypes adaptively respond to environmental cues. The hypothalamus-pituitary-gonadal (HPG) and hypothalamus-pituitary-adrenal (HPA) axes are likely to be principal targets of developmental "programming" given their roles in coordinating fitness-relevant aspects of the phenotype, including sexual development, adult reproductive and social strategies, and internal responses to the external environment. In social animals, including humans, the social environment is believed to be an important source of cues to which these axes may adaptively respond. The effects of early social environments on the HPA axis have been widely studied in humans, and to some extent, in other primates, but there are still major gaps in knowledge specifically relating to males. There has also been relatively little research examining the role that social environments play in developmental programming of the HPG axis or the HPA/HPG interface, and what does exist disproportionately focuses on females. These topics are likely understudied in males in part due to the difficulty of identifying developmental milestones in males relative to females and the general quiescence of the HPG axis prior to maturation. However, there are clear indicators that early life social environments matter for both sexes. In this review, we examine what is known about the impact of social environments on HPG and HPA axis programming during male development in humans and nonhuman primates, including the role that epigenetic mechanisms may play in this programming. We conclude by highlighting important next steps in this research area.

Prenatal stress and hair cortisol in a sample of Latina women

BACKGROUND

Stress during pregnancy adversely impacts maternal and infant health. Dysregulation of the hypothalamic pituitary axis is a mediator of the relationship between stress and health. Evidence supporting an association between prenatal chronic stress and cortisol is limited, and the majority of research published has been conducted amongst White participants, who experience less chronic stress than people of color.

AIM

This study investigated associations between various measures of prenatal stress and hair cortisol concentrations which is a biomarker of the integrated stress response in a sample of Latina participants during the third trimester of pregnancy.

METHOD

Pregnant women (n=45) were surveyed with scales measuring chronic stress, perceived stress, pregnancy-related and pregnancy-specific anxiety. Hair samples were collected as an objective neuroendocrine measure of chronic stress. Linear regression analyses were performed to assess associations between stress measures and hair cortisol. Pre-pregnancy BMI, smoking during pregnancy, and steroid use during pregnancy were used as covariates in adjusted models.

RESULTS

Chronic stress, operationalized as maternal reports of neighborhood/housing strain, daily activities and relationship strain, discrimination, and financial strain, was significantly associated with higher hair cortisol concentrations. No significant associations were found between hair cortisol and perceived stress, pregnancy-related anxiety, nor pregnancy-specific anxiety in adjusted models.

CONCLUSION

Chronic stress may be a more robust correlate of physiological stress, as measured by hair cortisol in pregnancy, than other common measures of prenatal stress and anxiety.

Latiné immigrant heterogeneity: Striking health differences among Cuban refugee/migration waves to the United States

Latiné people differ markedly in our lived experiences in ways that are underappreciated. Meanwhile, variations in social experiences are known to be associated with differential health outcomes. We test whether immigration history is associated with health differences among U.S.-based Cuban refugees. Cubans from the circum-1980 Mariel Boatlift migration wave reported significantly higher instances of disability than Early Cuban Exiles, Freedom Flight refugees, and Special Period refugees. We also interviewed Miami-based Cubans. Participants described heightened discrimination in 1980s Cuba and U.S., which we hypothesize contributed to higher instances of disability refugees of that era. By understanding how differential social experiences shape health, we aim to provide a nuanced understanding of the social determinants of health and the ways adverse experiences can be combated.

Maternal racism experience and cultural identity in relation to offspring telomere length

Racism is a determinant of individual and offspring health. Accelerated telomere shortening, an indicator of cellular aging, is a potential mechanism through which parental experience of racism could affect offspring. Here we longitudinally evaluated the relationship between maternal lifetime experience of an ethnically-motivated verbal or physical attack, as reported in pregnancy, with offspring telomere length in 4.5-year-old children. We also explored the potential association between positive feelings about one's culture and offspring telomere length. Data come from a nationally representative, multi-ethnic birth cohort in Aotearoa New Zealand (NZ) (Māori N = 417, Pacific N = 364, Asian N = 381). In models adjusting for covariates, including socioeconomic status and health status, Māori mothers who experienced an ethnically-motivated physical attack had children with significantly shorter telomere length than children of Māori mothers who did not report an attack (B = - 0.20, p = 0.01). Conversely, Māori mothers who had positive feelings about their culture had offspring with significantly longer telomeres (B = 0.25, p = 0.02). Our results suggest that ethnicity-based health inequities are shaped by racism, with impacts for clinical care and policy. Future research should also evaluate the potential protective effects of positive cultural identity.

Transgenerational effect of Mothers' experiences of discrimination on Black youths' hormone coupling in response to laboratory stress

Exposure to pervasive racial discrimination of Black Americans is transgenerational in that mothers' experiences of discriminatory violence impacts their children. This study explored whether stress-related biomarkers reflect transgenerational racial stress by implementing a "dual activation" framework to probe how adrenal and gonadal hormones underlying adolescent development are co-regulated during a laboratory stressor. Data were collected from 120 Black families in the United States. Children completed the Trier Social Stress Task (TSST-C) and provided 4 saliva samples across 2 days that were assayed for cortisol (C), dehydroepiandrosterone (DHEA), and testosterone (T). Mothers reported their experiences of total discrimination and racial discrimination related to skin color/race. Thirty four percent reported experiences of discrimination and on average 46.7% reported experiences of discrimination due to their race or skin tone. Mothers' experiences of racial discrimination were associated with their child's hormonal reactivity to and recovery from the TSST-C. Youth showed stronger positive hormone coupling between C-T if their mother experienced greater discrimination. Mothers' experiences of racial discrimination influenced both C-T coupling and youths' cortisol recovery from the TSST-C. For youths with high testosterone, cortisol recovery was blunted. Results suggest that associations between racism and hormonal stress response may be transgenerational. Mothers' experiences of discrimination had a profound impact on their children's hormonal co-regulation.

A systematic review and narrative synthesis of fathers' (including migrant fathers') experiences of pregnancy and childbirth

OBJECTIVE

The purpose of this review was to consider factors that influence the experiences of pregnancy and childbirth by fathers including migrant fathers.

METHOD

A systematic review and narrative synthesis were conducted as per the PRISMA guidelines. The spider tool was used to build a search strategy which was used to conduct literature search in eight identified electronic databases: ASSIA, CINAHL, EMBASE, MEDLINE, PsycINFO, PUBMED, Sage and Scopus. Grey literature was searched through the King's Fund Library database, Ethos, The North Grey Literature Collection, Social Care Online and other charity websites such as the Refugee Council and Joseph Rowntree Foundation. The search was conducted across all the databases in the week commencing January 7, 2019, and restricted to studies published in the English language.

RESULTS

The search across all the eight electronic databases identified 2564 records, 13 records through grey literature databases/websites and an additional 23 records identified through hand-searching/forward citation. The number of records after duplicates were removed was 2229. Record screening based on titles and abstracts identified 69 records for full text screening. Dual screening of these full text records identified 12 full records from 12 separate studies, eight of which were qualitative studies, three of which were quantitative studies and one mixed method study.

FINDINGS

This review has revealed three main themes: influence of society and health professionals; adjustment to a new life of fatherhood; and involvement in maternity care. However, the literature has focused on non-migrant father's experiences of pregnancy and childbirth, with little attention paid to fathers who may be migrants.

KEY CONCLUSION AND IMPLICATIONS FOR PRACTICE

This review has exposed a dearth of research on migrant fathers' experiences of pregnancy and childbirth in an era of increasing globalisation and migration between countries. Midwives and other health professionals should be alert to the needs of any father when providing maternity care. More research is needed which considers experiences of migrants and how choosing to move to a new country or being forced to move could influence migrant father's experiences and therefore their needs.

Pregnancy-Specific Stress and Racial Discrimination Among U.S. Women

OBJECTIVES

Adverse birth outcomes among children born to women of color (WOC) have been associated with discrimination during pregnancy; however, little research has explored stressed caused by discrimination as well as pregnancy-specific stress. The purpose of this study was to examine differences in stress and racial discrimination (lifetime and during pregnancy) between U.S. women of different racial/ethnic groups.

METHODS

Women between 18 and 45 years (n = 198; 101 non-Hispanic White, 58 Black, and 39 other WOC [i.e., Hispanic, Asian/Pacific Islander, American Indian, Mixed Race]) completed an online, cross-sectional survey between December 2019 and March 2020. Participants reported pregnancy-specific stress using the pregnancy distress questionnaire (PDQ) and pregnancy life events scale (PLE) and discrimination via the general ethnic discrimination scale (GED). ANOVAs explored differences between racial/ethnic groups' stress and discrimination.

RESULTS

We found non-Hispanic White (p < 0.05) and other WOC (p < 0.01) reported higher distress during pregnancy than Black women, and other WOC (p < 0.05) reported more stressful prenatal life events (p < 0.05) than non-Hispanic Whites. However, Black (p < 0.001) and other WOC (p < 0.001) both experienced more ethnic discrimination throughout their lifetime and during their pregnancy than non-Hispanic Whites. Also, Black women experienced five times the stress from these encounters than White women (p < 0.001).

CONCLUSIONS FOR PRACTICE

Previously developed pregnancy distress questionnaires may be better suited for non-Hispanic White populations and may miss important experiences unique to marginalized populations such as racial/ethnic discrimination. Adaptations to pregnancy-related stress scales are warranted given the toxicity of discrimination during pregnancy.

Associations between psychological distress and hair cortisol during pregnancy and the early postpartum: A meta-analysis

Pregnancy and the early postpartum signify a period of high stress. Perinatal stress can include psychological distress (PD), such as anxiety, depression, and stress, as well as neuroendocrine stress, indexed by activation of the hypothalamic-pituitary-adrenal (HPA) axis and the production of the hormone cortisol. Elevated PD and cortisol levels during the perinatal period can have long-term implications for the mother and child. Methodological advances have enabled the sampling of cortisol from hair, to provide a retrospective marker of HPA axis activity over several months. Despite knowing that maternal PD and HPA activity during the perinatal period independently impact health and development, research to date is unclear as to the association between maternal PD and hair cortisol. The present meta-analysis included 29 studies to assess the strength of the relation between maternal PD and hair cortisol levels during pregnancy and the early postpartum period. Several sample and methodological factors were assessed as moderators of this effect. Analyses were conducted using multilevel meta-analysis. Results of the multilevel meta-analysis indicated that the overall effect size between PD and HCC was small but not significant z = 0.039, 95% CI [- 0.001, 0.079]. Moderator analyses indicated that the strength of the association between PD and hair cortisol was moderated by pregnancy status (i.e., effects were stronger in pregnant compared to postpartum samples), timing of HCC and PD measurements (i.e., effects were larger when PD was measured before HCC) and geographic location (i.e., effects were larger in North American studies). The findings advance our understanding of the link between PD and HPA activity during the perinatal period, a time of critical impact to child development.

Towards the multileveled and processual conceptualisation of racialised individuals in biomedical research

In this paper, we discuss the processes of racialisation on the example of biomedical research. We argue that applying the concept of racialisation in biomedical research can be much more precise, informative and suitable than currently used categories, such as race and ethnicity. For this purpose, we construct a model of the different processes affecting and co-shaping the racialisation of an individual, and consider these in relation to biomedical research, particularly to studies on hypertension. We finish with a discussion on the potential application of our proposition to institutional guidelines on the use of racial categories in biomedical research.

Windows of Vulnerability: Consequences of Exposure Timing during the Dutch Hunger Winter

Prior research on early-life exposures to famine has established in utero development as a critical period of vulnerability to malnutrition. Yet, previous research tends to focus narrowly on this stage, at the expense of a more comprehensive examination of childhood. As a result, the literature has yet to compare the severity of the consequences of exposure to malnutrition across developmentally salient periods. Such comparison is crucial not only in the magnitude of effects but also in the nature of outcomes. Using a restricted population registry-linked health survey, this study examines the Dutch Hunger Winter to provide a comprehensive examination of the long-term consequences of in utero, infant, childhood, and adolescent exposure to famine. The results show malnutrition leads to heterogeneous effects depending on when the exposure occurs. In utero exposure to malnutrition leads to deleterious conditions in physical health and lower socioeconomic attainment. For older cohorts, results suggest a resilience to the effects of malnutrition on physical health in late life, but a higher vulnerability to socioeconomic stunting. Furthermore, the results suggest important gender differences in the long-term impact of malnutrition. Males consistently show stronger negative consequences across a wider array of conditions.

Childhood exposure to war and adult onset of cardiometabolic disorders among older Europeans

Childhood exposure to contexts of war is a common occurrence among current and recent cohorts of children in various parts of the world. It was also common among older cohorts across Europe. Utilizing the Survey of Health, Ageing, and Retirement in Europe (SHARE) the present study links early life course residential histories with detailed information on the timing and location of hostilities during WWII to address three questions: 1) is childhood exposure to war associated with earlier onset of cardiometabolic disease (cardiovascular disease, hypertension, high cholesterol, and diabetes)? 2) did this additional risk vary depending on the timing of first exposure? 3) did this additional risk manifest via different life course pathways depending on exposure timing? Results demonstrate that exposure to war is associated with increased lifetime risk of cardiovascular disease, diabetes, high cholesterol, and hypertension and that this association is strongly concentrated among cohorts exposed in utero or during early childhood (e.g., before age 8). The results also suggest that the impact of war exposure on cardiometabolic disorders are likely to be direct, operating through latent biological processes rather than through childhood hardship, stunting of adult socioeconomic attainment, or elevated risk-taking behaviors.

A systematic review and meta-analysis of the Everyday Discrimination Scale and biomarker outcomes

Discrimination has consistently been associated with multiple adverse health outcomes. Like other psychosocial stressors, discrimination is thought to impact health through stress-related physiologic pathways including hypothalamic-pituitary-adrenal (HPA) axis activation, dysregulation of inflammation responses, and accelerated cellular aging. Given growing attention to research examining the biological pathways through which discrimination becomes embodied, this systematic review and meta-analysis synthesizes empirical evidence examining relationships between self-reported discrimination and four biomarker outcomes (i.e., cortisol, C-reactive protein (CRP), interleukin-6 (IL-6), and telomere length) among studies that have used the Everyday Discrimination Scale. We conducted a systematic review of studies discussing self-reported, everyday, or chronic discrimination in the context of health by searching Medline / PubMed (National Library of Medicine, NCBI), PsycInfo (APA, Ebsco) and Web of Science Core Collection (Clarivate). Twenty-five articles met the criteria for meta-analysis, with several reporting on multiple outcomes. Discrimination was associated with elevated CRP levels (r = 0.11; 95% CI: 0.01, 0.20, k = 10), though not cortisol (r = 0.05; 95% CI: -0.06, 0.16, k = 9), IL-6 (r = 0.05; 95% CI: -0.32, 0.42, k = 5), or telomere length (r = 0.03; 95% CI: -0.01, 0.07, k = 6). We identify several points of consideration for future research including addressing heterogeneity in assessment of biomarker outcomes and the need for longitudinal assessments of relationships between discrimination and biomarker outcomes.

Associations Between Maternal Distress, Cortisol Levels, and Perinatal Outcomes

OBJECTIVE

Stress during pregnancy may decrease gestational age at birth and birth size. We aimed to investigate the associations between maternal subjective stress measures, salivary cortisol, and perinatal outcomes.

METHODS

A cohort of pregnant women (n = 1693) was recruited from eight antenatal care clinics in Stockholm, Sweden. Questionnaires on subjective distress (perceived stress, worry, depression symptoms, sleep quality) and saliva samples for cortisol measurement (morning and evening) were collected in early and late pregnancy. Perinatal outcomes were birth weight, birth length, gestational age, and birth weight for gestational age. We used linear regression to estimate associations adjusted for maternal characteristics.

RESULTS

All associations between subjective distress and cortisol levels were close to null and nonsignificant, for example, exp(β) = 1.001 (95% confidence interval = 0.995 to 1.006) for the morning cortisol level and perceived stress in early pregnancy. Likewise, most associations between distress (subjective and cortisol) and perinatal outcomes were weak and not statistically significant, for example, β = 1.95 (95% confidence interval = -4.16 to 8.06) for perceived stress in early pregnancy and birth weight. An exception was a statistically significant association between birth weight for gestational age and depression symptoms in early pregnancy, with somewhat higher weight with more symptoms (β = 0.08; 95% CI = 0.04 to 0.13). The results were similar for stress in early and late pregnancy.

CONCLUSIONS

We found no association between subjective distress and cortisol measures irrespective of when in pregnancy the measures were taken. Furthermore, we found no evidence for a longitudinal association between psychological measures of stress or cortisol with lower birth weight, birth weight for gestational age, or gestational age.

A critical biocultural approach to early growth in the United States

OBJECTIVES

A critical biocultural anthropology seeks to link perspectives from social theory and ethnography to human biology. In the United States (U.S.), multiple forms of structural inequalities affect early growth, including racism and poverty. The goal of this paper is to test the effects of social inequalities on birth weight and later height in the U.S. National Health and Nutrition Survey (NHANES), and to contextualize potential pathways of embodiment that link social structure and biology.

METHODS

This study used data from 8392 children ages 0-5 years from the 2005 to 2016 NHANES. Reported birth weight and measured length/height (converted to height-for-age z-scores) were used as outcome variables, while various measures of socioeconomic status and the NHANES-defined race and ethnicity categories were operationalized as social variables. Structural equation modeling (SEM) was chosen to represent the data.

RESULTS

The final model represented an excellent fit to the data. Higher birth weights were associated with higher height-for-age z-scores. The Black racial category was associated with lower birth weight and higher height-for-age z-score, while the "Other" racial category was also associated with lower birth weight. The socioeconomic status factor variable was significantly associated with birth weight and height-for-age z-scores. There were also multiple indirect effects of social variables on height-for-age z-scores mediated via their effects on birth weight.

CONCLUSIONS

Inequalities in race and socioeconomic status persist in birth weight and early childhood stature in the U.S. These findings can be contextualized by a critical biocultural anthropology that integrates lived experiences and pathways of embodiment.

Associations of fruit & vegetable intake and physical activity with poor self-rated health among Chinese older adults

BACKGROUND

Despite the existing literature highlights the central roles of sociodemographic factors, fruit & vegetable (F&V) intake, and physical activities for maintaining good health, less is known about the associations in the Chinese context. This study attempted to explore the associations of servings of F&V intake and levels of physical activities with poor self-rated health (SRH) among Chinese older adults.

METHODS

Data were drawn from the Study on Global Ageing and Adult Health-China (SAGE-China) issued by the World Health Organization and included 7560 respondents aged ≥60 years in China. After screening out the potential confounding factors, multiple logistic regression models were adopted to explore the associations of sociodemographic factors, servings of F&V intake, and levels of physical activities with poor SRH.

RESULTS

Among the sample, nearly a quarter reported poor health status. There were significant gender differences in the case of servings of F&V intake and levels of physical activities. Logistic regressions indicated that higher fruit intake was associated with lower likelihood of vigorous level of physical activity as compared to zero intake. Likewise, higher vegetable intake (≥10 servings) was associated with a higher likelihood of vigorous & moderate level of physical activity when compared to lower intake (≤ 4 servings). Higher fruit intake was associated with a lower likelihood of poor SRH. Similarly, vegetable intake (5 servings: AOR = 0.69, 95%CI: 0.58-0.83; 6-9 servings: AOR = 0.72, 95%CI: 0.59-0.87) was significantly associated with poor SRH. Additionally, vigorous level of physical activity (AOR = 0.79, 95%CI: 0.65-0.97) and vigorous fitness/leisure (AOR = 0.57, 95%CI: 0.39-0.84) were significantly associated with poor SRH.

CONCLUSION

This study suggested that older adults with high fruit intake had lower probability of performing vigorous & moderate level of physical activity, while those with high vegetable intake had higher probability of performing vigorous & moderate level of physical activity. Likewise, the older adults with high F&V intake and higher probability of performing vigorous level of physical activity, walk/bike activity, and vigorous/moderate fitness/leisure had less likelihood to face the risk for poor SRH outcomes. The appropriate servings of F&V intake and levels of physical activity should be highlighted.

Children born of genocidal rape: What do we know about their experiences and needs?

BACKGROUND

An often under addressed and tragic legacy of genocide is the conception of children from rape. While the experience has been documented from their mothers' perspective, the perspectives and needs of individuals born of genocidal rape has been under-studied.

METHODS

We conducted an integrative review of all peer-reviewed articles that reported on studies conducted among individuals born of genocidal rape published through 2020. We used an inductive process to identify and describe the themes from those studies.

RESULTS

Twelve studies met the inclusion criteria. Ten articles reported on youth born of genocidal rape in Rwanda aged between 16 and 21 years, and two articles represented the perspective of adolescents in the former Yugoslavia aged 1416 years. Four themes were indentified: (1) birth origin stories associated with the crime of the father, (2) fractured sense of belonging to the victim-mother, perpetrator-father, their families, and the community at large, (3) intergenerational legacy of trauma and family identity, and (4) strategies to move forward including knowing the truth about one's origin, mental health, and peer support.

CONCLUSION

These findings suggest that understanding increased risk of adverse health outcomes of youth born of genocidal rape could inform the design of evidence-based interventions for these and similar populations.

The contribution of racism-related stress and adversity to disparities in birth outcomes: evidence and research recommendations

Currently, racial and ethnic differences in adverse birth outcomes and infant mortality are some of the largest and most persistent health disparities in the United States. This narrative review article synthesizes existing literature to present a conceptual model of how racism-related stress and adversity are critical determinants of such disparities. We describe how historical and ongoing racism has created conditions wherein women of color are disproportionately exposed to chronic, multilayered stress and adversity and how the biological consequences of exposure to these stressors confers risk for adverse birth outcomes. Next, we identify important priorities and considerations for future research, including the heterogeneity of racism-related stressors, biomarkers and mechanisms, chronicity and sensitive periods of exposure, developmental programming of lifespan health, resilience, and community-engaged research methodologies.

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Historical and ongoing racism has created conditions wherein women of color are disproportionately exposed to stress and adversity.

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The consequences of exposure to racism-related stress and adversity can confer risk for health conditions implicated in adverse birth outcomes and alter maternal physiology associated with fetal development and timing of parturition.

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Conjointly studying racism-related stress, biologic profiles, and birth outcomes is a priority for future research.

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It is important to identify factors that mitigate the impact of racism-related stress and adversity on birth outcomes.

Direct and Vicarious Racial Discrimination at Three Life Stages and Preterm Labor: Results from the African American Women's Heart & Health Study

INTRODUCTION

Health disparities research has demonstrated a negative relationship between racial discrimination and African American women's maternal health outcomes. Yet, the relationship between racial discrimination and preterm labor, a key measure of maternal health, remains understudied. This study sought to examine the associations between preterm labor and direct and vicarious racial discrimination among African American women at three life stages: childhood, adolescence, and adulthood.

METHODS

Logistic regression methods were used to analyze cross-sectional data from the African American Women's Heart & Health Study (AAWHHS; N = 173). The AAWHHS includes detailed maternal health information on a community sample of African American women residing in the San Francisco Bay Area.

RESULTS

Findings indicated each unit increase in adolescent direct racial discrimination was associated with a 48% increase in the odds of preterm labor (OR: 1.480, 95% CI 1.002-2.187, p < 0.05) and each unit increase in childhood vicarious racial discrimination was associated with a 45% increase in the odds of preterm labor (OR: 1.453, 95% CI 1.010-2.092, p < 0.05) after adjusting for number of pregnancies and socioeconomic variables.

DISCUSSION

This study provides evidence of an association between life-stage racial discrimination and preterm labor risk among African American women, underscoring a need to consider how both directly and vicariously experienced racial discrimination at different developmental periods impact racial disparities in birth outcomes.

The Association between Maternal Experiences of Interpersonal Discrimination and Adverse Birth Outcomes: A Systematic Review of the Evidence

In the present systematic review, we argue that maternal experiences of interpersonal discrimination at least partially account for the disproportionate rates of adverse birth outcomes in minority populations. Since the 1990s, research in this area has slowly, but steadily increased, shedding more light on the insidious nature of interpersonal discrimination and its toxic health effects. With the aim of bringing this topic to the fore in academic as well as clinical settings, this paper provides a state-of-the-art review of the empirical knowledge on the relationship between maternal experiences of discrimination and birth outcomes. Of 5901 articles retained in the literature search, 28 met the predefined inclusion criteria. Accounting for a range of health and behavioral factors, the vast majority of these studies support the notion that maternal experiences of interpersonal discrimination predict a range of adverse birth outcomes, including preterm birth, low birth weight, and various physiological markers of stress (allostatic load) in both mother and child pre- and postpartum. Several moderators and mediators of this relationship were also identified. These related primarily to the type (first-hand and vicarious), timing (childhood, adolescence, and adulthood), frequency, and pervasiveness of discrimination experienced, as well as to maternal mental health and coping. More research into these factors, however, is required to definitively determine their significance. We discuss these findings as they relate to the general health repercussions of interpersonal discrimination, as well as in terms of applied prenatal care and interventions. Ultimately, we argue that assessing maternal experiences of interpersonal discrimination in prenatal care may represent a considerable asset for mitigating existing majority-minority disparities in adverse birth outcomes.

Biocultural approaches to transgender and gender diverse experience and health: Integrating biomarkers and advancing gender/sex research

Transgender and gender diverse (TGD) people are increasingly visible in U.S. communities and in national media. With this increased visibility, access to gender affirming healthcare is also on the rise, particularly for urban youth. Political backlash and entrenchment in a gender binary, however, continue to marginalize TGD people, increasing risk for health disparities. The 2016 National Institute of Health recognition of sexual and gender minority people as a health disparities population increases available funding for much-needed research. In this article, we speak to the need for a biocultural human biology of gender/sex diversity by delineating factors that influence physiological functioning, mental health, and physical health of TGD people. We propose that many of these factors can best be investigated with minimally invasively collected biomarker samples (MICBS) and discuss how to integrate MICBS into research inclusive of TGD people. Research use of MICBS among TGD people remains limited, and wider use could enable essential biological and health data to be collected from a population often excluded from research. We provide a broad overview of terminology and current literature, point to key research questions, and address potential challenges researchers might face when aiming to integrate MCIBS in research inclusive of transgender and gender diverse people. We argue that, when used effectively, MICBS can enhance human biologists' ability to empirically measure physiology and health-related outcomes and enable more accurate identification of pathways linking human experience, embodiment, and health.

Phenotyping stress exposures related to perinatal health disparities

Black American women living in low-resource environments are exposed to multiple stressors and are at high risk for perinatal complications. Stress exposure likely impacts pregnancy and birth complications via alterations in health systems that are engaged in regulating the stress response. Stressors may vary in terms of magnitude and pattern of effect on such health systems. In the present study, we test associations between three types of stress exposure: perceived stress, negative life events, and discrimination stress on neuroendocrine and cardiac response to a controlled laboratory stressor during the first trimester of pregnancy. In all, 100 pregnant Black women with Medicaid insurance completed a laboratory assessment during which salivary cortisol and heart rate variability (HRV) were used to measure stress response to the Trier Social Stress Test (TSST). Results revealed that only discrimination stress was significantly associated with cortisol and HRV in response to the TSST. High levels of discrimination stress were associated with lower levels of cortisol reactivity and higher levels of HRV across the visit. These results highlight the differential impact of domains of stress exposure on stress regulation during pregnancy and provide further evidence of the impact of discrimination stress on Black American women's health.

Gender discrimination and women's HPA activation to psychosocial stress during the postnatal period

Stress due to discrimination may contribute to physiological dysregulation and health risk during the postnatal period. This study examined longitudinal associations between gender discrimination and women's cortisol responses to subsequent stress. Mothers (N = 79) reported gender discrimination and completed mother-infant stress tasks with saliva sampling for cortisol at 6, 12, and 18 months postnatal. Multilevel modeling results indicated more overall gender discrimination was associated with higher cortisol. Changes in gender discrimination were not associated with cortisol over time. Gender discrimination may be a factor in women's postnatal stress and associated health risk via the sensitization of physiological stress responses.

Low rank and primiparity increase fecal glucocorticoid metabolites across gestation in wild geladas

Integrative behavioral ecology requires accurate and non-invasive measures of hormone mediators for the study of wild animal populations. Biologically sensitive assay systems for the measurement of hormones and their metabolites need to be validated for the species and sample medium (e.g. urine, feces, saliva) of interest. Where more than one assay is available for hormone (metabolite) measurement, antibody selection is useful in identifying the assay that tracks changes in an individuaĺs endocrine activity best, i.e., the most biologically sensitive assay. This is particularly important when measuring how glucocorticoids (GCs) respond to the subtle, additive effects of acute stressors during a predictable metabolic challenge, such as gestation. Here, we validate a group-specific enzyme immunoassay, measuring immunoreactive 11β-hydroxyetiocholanolone, for use in a wild primate, geladas (Theropithecus gelada). This group-specific assay produced values correlated with those from a previously validated double-antibody, corticosterone ¹²⁵I radioimmunoassay. However, the results with the group-specific assay showed a stronger response to an ACTH challenge and identified greater variation in gelada immunoreactive fecal glucocorticoid metabolites (iGCMs) compared with the corticosterone assay, indicating a higher biological sensitivity for assessing adrenocortical activity. We then used the group-specific assay to: (1) determine the normative pattern of iGCM levels across gelada gestation, and (2) identify the ecological, social, and individual factors that influence GC output for pregnant females. Using a general additive mixed model, we found that higher iGCM levels were associated with low rank (compared to high rank) and first time mothers (compared to multiparous mothers). This study highlights the importance of assay selection and the efficacy of group-specific assays for hormonal research in non-invasively collected samples. Additionally, in geladas, our results identify some of the factors that increase GC output over and above the already-elevated GC concentrations associated with gestation. In the burgeoning field of maternal stress, these factors can be examined to identify the effects that GC elevations may have on offspring development.

Barriers to equitable maternal health in Aotearoa New Zealand: an integrative review

BACKGROUND

The purpose of this review was to examine the literature for themes of underlying social contributors to inequity in maternal health outcomes and experiences in the high resource setting of Aotearoa New Zealand. These 'causes of the causes' were explored and compared with the international context to identify similarities and New Zealand-specific differences.

METHOD

A structured integrative review methodology was employed to enable a complex cross disciplinary analysis of data from a variety of published sources. This method enabled incorporation of diverse research methodologies and theoretical approaches found in the literature to form a unified overall of the topic.

RESULTS

Six integrated factors - Physical Access, Political Context, Maternity Care System, Acceptability, Colonialism, and Cultural factors - were identified as barriers to equitable maternal health in Aotearoa New Zealand. The structure of the maternal health system in New Zealand, which includes free maternity care and a woman centred continuity of care structure, should help to ameliorate inequity in maternal health and yet does not appear to. A complex set of underlying structural and systemic factors, such as institutionalised racism, serve to act as barriers to equitable maternity outcomes and experiences. Initiatives that appear to be working are adapted to the local context and involve self-determination in research, clinical outreach and community programmes.

CONCLUSIONS

The combination of six social determinants identified in this review that contribute to maternal health inequity is specific to New Zealand, although individually these factors can be identified elsewhere; this creates a unique set of challenges in addressing inequity. Due to the specific social determinants in Aotearoa New Zealand, localised solutions have potential to further maternal health equity.

Maternal experiences of ethnic discrimination and subsequent birth outcomes in Aotearoa New Zealand

Background

Interpersonal discrimination experience has been associated with adverse birth outcomes. Limited research has evaluated this relationship within multicultural contexts outside the United States where the nature and salience of discrimination experiences may differ. Such research is important in order to help identify protective and risk factors that may mediate the relationship between discrimination experience and adverse birth outcomes.

Methods

Evaluated the relationship between perceived discrimination, as measured in pregnancy, with birth weight and gestation length among Māori, Pacific, and Asian women from Aotearoa New Zealand (N = 1653).

Results

Thirty percent of the sample reported some type of unfair treatment that they attributed to their ethnicity. For Māori women specifically, unfair treatment at work (β = − 243 g) and in acquiring housing (β = − 146 g) were associated with lower birth weight when compared to Māori women not experiencing these types of discrimination, while an ethnically motivated physical attack (β = − 1.06 week), and unfair treatment in the workplace (β = − 0.95 week), in the criminal justice system (β = − 0.55 week), or in banking (β = − 0.73 week) were associated with significantly shorter gestation.

Conclusions

Despite a high prevalence of discrimination experience among women from all ethnic groups, discrimination experience was a strong predictor of lower birth weight and shorter gestation length among indigenous Māori women only. Additional research is needed to better understand the risk and protective factors that may moderate the relationship between discrimination experience and adverse birth outcomes among women from different ethnic groups.

The impact of racism on the future health of adults: protocol for a prospective cohort study

BACKGROUND

Racial discrimination is recognised as a key social determinant of health and driver of racial/ethnic health inequities. Studies have shown that people exposed to racism have poorer health outcomes (particularly for mental health), alongside both reduced access to health care and poorer patient experiences. Most of these studies have used cross-sectional designs: this prospective cohort study (drawing on critical approaches to health research) should provide substantially stronger causal evidence regarding the impact of racism on subsequent health and health care outcomes.

METHODS

Participants are adults aged 15+ sampled from 2016/17 New Zealand Health Survey (NZHS) participants, sampled based on exposure to racism (ever exposed or never exposed, using five NZHS questions) and stratified by ethnic group (Māori, Pacific, Asian, European and Other). Target sample size is 1680 participants (half exposed, half unexposed) with follow-up survey timed for 12-24 months after baseline NZHS interview. All exposed participants are invited to participate, with unexposed participants selected using propensity score matching (propensity scores for exposure to racism, based on several major confounders). Respondents receive an initial invitation letter with choice of paper or web-based questionnaire. Those invitees not responding following reminders are contacted for computer-assisted telephone interview (CATI). A brief questionnaire was developed covering current health status (mental and physical health measures) and recent health-service utilisation (unmet need and experiences with healthcare measures). Analysis will compare outcomes between those exposed and unexposed to racism, using regression models and inverse probability of treatment weights (IPTW) to account for the propensity score sampling process.

DISCUSSION

This study will add robust evidence on the causal links between experience of racism and subsequent health. The use of the NZHS as a baseline for a prospective study allows for the use of propensity score methods during the sampling phase as a novel approach to recruiting participants from the NZHS. This method allows for management of confounding at the sampling stage, while also reducing the need and cost of following up with all NZHS participants.

Maternal experiences of ethnic discrimination and child cardiometabolic outcomes in the Study of Latino Youth

PURPOSE

Limited research has examined maternal experiences of racial/ethnic discrimination in relation to child cardiometabolic health. In this study, we investigated whether maternal experiences of ethnic discrimination were associated with cardiometabolic risk in Hispanic/Latino youth several years later.

METHODS

Our sample included 1146 youth (8-16 years) from the Study of Latino Youth (2012-2014), who were children of the Hispanic Community Health Study/Study of Latinos participants (2008-2011). We used regression models to examine the prospective associations between maternal report of ethnic discrimination in relation to her child's body mass index (BMI) z-score, metabolic syndrome score (MetS), and high sensitivity C-reactive protein (hsCRP) levels 2 years later.

RESULTS

Maternal ethnic discrimination was associated with youth hsCRP, but not BMI or MetS (P-values >.05). Adjusting for age, nativity, and national background, maternal ethnic discrimination was associated with higher (log) hsCRP levels (β = 0.18, 95% CI = 0.04 to 0.32) in children. This association was robust to adjustment for maternal and household characteristics (β = 0.17, 95% CI = 0.04 to 0.31), as well as maternal depression and maternal BMI.

CONCLUSIONS

Maternal ethnic discrimination is associated with inflammation among Hispanic/Latino youth, and not BMI z-score or MetS. Studies are needed to address temporality and pathways.

Racial discrimination, educational attainment, and biological dysregulation among midlife African American women

OBJECTIVE

To examine the association between self-reported racial discrimination and allostatic load, and whether the association differs by socioeconomic position.

METHODS

We recruited a purposive cross-section of midlife (ages 30-50) African American women residing in four San Francisco Bay area counties (n = 208). Racial discrimination was measured using the Experience of Discrimination scale. Allostatic load was measured as a composite of 15 biomarkers assessing cardiometabolic, neuroendocrine, and inflammatory activity. We calculated four composite measures of allostatic load and three system-specific measures of biological dysregulation. Multivariable regression was used to examine associations, while adjusting for relevant confounders.

RESULTS

In the high education group, reporting low (b = -1.09, P = .02, 95% CI = -1.99, -0.18) and very high (b = -1.88, P = .003, 95% CI = -3.11, -0.65) discrimination was associated with lower allostatic load (reference=moderate). Among those with lower education, reporting low (b = 2.05, P = .008, 95% CI = 0.55,3.56) discrimination was associated with higher allostatic load. Similar but less consistent associations were found for poverty status. Associations were similar for cardiometabolic functioning, but not for neuroendocrine or inflammatory activity.

CONCLUSIONS

Racial discrimination may be an important predictor of cumulative physiologic dysregulation. Factors associated with educational attainment may mitigate this association for African American women and other groups experiencing chronic social stress.

Health and wellbeing of Māori secondary school students in New Zealand: Trends between 2001, 2007 and 2012

OBJECTIVE

To describe the health status over time of Māori secondary school students in New Zealand compared to European students.

METHODS

Anonymous representative health surveys of New Zealand secondary school students were conducted in 2001, 2007 and 2012 (total n=27,306 including 5,747 Māori).

RESULTS

Compared to 2001, Māori students in 2012 experienced improved health, family and school connections. However, considerable inequity persists with Māori students reporting poorer health, greater exposure to violence and socioeconomic adversity compared to European students. When controlling for socioeconomic deprivation, inequity was substantially reduced, although worse Māori health outcomes remained for general health, mental health, contraceptive use, healthy weight, substance use, access to healthcare and exposure to violence. There was some evidence of convergence between Māori and European students on some indicators.

CONCLUSIONS

There have been significant improvements for Māori youth in areas of health where there has been investment. Priority areas identified require adequate resourcing alongside addressing systematic discrimination and poverty. Implications for public health: Socioeconomic contexts, discrimination, healthcare access and identified priority health areas must be addressed to improve equity for Māori youth. Building on these gains and hastening action on indicators that have not improved, or have worsened, is required.

The Associations Between Cultural Identity and Mental Health Outcomes for Indigenous Māori Youth in New Zealand

Objectives: To explore the relationships between Māori cultural identity, ethnic discrimination and mental health outcomes for Māori youth in New Zealand.

Study Design: Nationally representative, anonymous cross-sectional study of New Zealand secondary school students in 2012.

Methods: Secondary analysis of Māori students (n = 1699) from the national Youth'12 secondary school students survey was undertaken. Theoretical development and exploratory factor analysis were undertaken to develop a 14-item Māori Cultural Identity Scale (MCIS). Māori students reporting > 8 items were classified as having a strong MCIS. Prevalence of indicators were reported and logistic regression models were used to explore how wellbeing (WHO-5), depressive symptoms (Reynolds Adolescent Depression Scale-SF), and suicide attempts were associated with the MCIS.

Results: After adjusting for age, sex, ethnic discrimination and NZ Deprivation Index (NZDep), a strong Māori cultural identity (MCIS) was associated with improved wellbeing scores (OR 1.53, 95% CI 1.18–2.01) and fewer depressive symptoms (OR 0.53, 95% CI 0.38–0.73). Experiencing discrimination was associated with poorer wellbeing scores (OR 0.50, 95% CI 0.39–0.65), greater depressive symptoms (OR 2.2, 95% CI 1.55–3.18), and a previous suicide attempt (OR 2.47, 95% CI 1.71–3.58). Females less frequently reported good (WHO-5) wellbeing (OR 0.33, 95% CI 0.26–0.42), increased (RADS-SF) depressive symptoms (2.61, 95% CI 1.86–3.64) and increased suicide attempts [OR 3.35 (2.07–5.41)] compared to males. Wellbeing, depressive symptoms and suicide attempts did not differ by age or neighborhood level socio-economic deprivation, except those living in neighborhoods characterized as having medium level incomes, were less likely to have made a suicide attempt (OR 0.49, 95% CI 0.27–0.91).

Conclusions: Māori youth who have a strong cultural identity were more likely to experience good mental health outcomes. Discrimination has a serious negative impact on Māori youth mental health. Our findings suggest that programmes, policies and practice that promote strong cultural identities and eliminate ethnic discrimination are required to improve mental health equity for Māori youth.

Impact of acculturation on depression, perceived stress and self-esteem in young Middle Eastern American adults

BACKGROUND

Human biologists have a longstanding interest in understanding the biological and health impacts of migration. Acculturation, the cultural adjustment that a group or individual experiences when previously separate cultures interact, has been found to be one pathway through which migration may impact human biology and health, not only for the migrants themselves, but also their descendants.

AIM

The authors conducted a pilot study to examine the relationship between acculturation and perceived stress, self-esteem and depression among young Middle-Eastern American adults.

SUBJECT AND METHODS

Survey data were collected from 48 young Middle-Eastern American adults. Participants were divided into one of two acculturation categories, integrated (American and Middle Eastern culture oriented) and assimilated (American culture oriented). Health measures were compared between these acculturation categories.

RESULTS

Integrated individuals had significantly lower stress (F = 8.1, p < 0.01) and depression (F = 10.8, p < 0.01) than assimilated individuals. Integrated individuals had lower self-esteem than assimilated individuals (F = 5.0, p < 0.05). Generational status, a proxy used for acculturation, was only significantly associated with self-esteem (F = 3.15, p = 0.05).

CONCLUSION

This pilot study furthers understanding of the effects acculturation can have on perceived stress and mental health among young Middle-Eastern Americans. Future research should incorporate biological measures of stress to determine the physiological impacts of acculturation.

Stress-Related Biosocial Mechanisms of Discrimination and African American Health Inequities

This review describes stress-related biological mechanisms linking interpersonal racism to life course health trajectories among African Americans. Interpersonal racism, a form of social exclusion enacted via discrimination, remains a salient issue in the lives of African Americans, and it triggers a cascade of biological processes originating as perceived social exclusion and registering as social pain. Exposure to discrimination increases sympathetic nervous system activation and upregulates the HPA axis, increasing physiological wear and tear and elevating the risks of cardiometabolic conditions. Consequently, discrimination is associated with morbidities including low birth weight, hypertension, abdominal obesity, and cardiovascular disease. Biological measures can provide important analytic tools to study the interactions between social experiences such as racial discrimination and health outcomes over the life course. We make future recommendations for the study of discrimination and health outcomes, including the integration of neuroscience, genomics, and new health technologies; interdisciplinary engagement; and the diversification of scholars engaged in biosocial inequities research.

Racism and health in New Zealand: Prevalence over time and associations between recent experience of racism and health and wellbeing measures using national survey data

OBJECTIVES

Racism is an important health determinant that contributes to ethnic health inequities. This study sought to describe New Zealand adults' reported recent experiences of racism over a 10 year period. It also sought to examine the association between recent experience of racism and a range of negative health and wellbeing measures.

METHODS

The study utilised previously collected data from multiple cross-sectional national surveys (New Zealand Health Surveys 2002/03, 2006/07, 2011/12; and General Social Surveys 2008, 2010, 2012) to provide prevalence estimates of reported experience of racism (in the last 12 months) by major ethnic groupings in New Zealand. Meta-analytical techniques were used to provide improved estimates of the association between recent experience of racism and negative health from multivariable models, for the total cohorts and stratified by ethnicity.

RESULTS

Reported recent experience of racism was highest among Asian participants followed by Māori and Pacific peoples, with Europeans reporting the lowest experience of racism. Among Asian participants, reported experience of racism was higher for those born overseas compared to those born in New Zealand. Recent experience of racism appeared to be declining for most groups over the time period examined. Experience of racism in the last 12 months was consistently associated with negative measures of health and wellbeing (SF-12 physical and mental health component scores, self-rated health, overall life satisfaction). While exposure to racism was more common in the non-European ethnic groups, the impact of recent exposure to racism on health was similar across ethnic groups, with the exception of SF-12 physical health.

CONCLUSIONS

The higher experience of racism among non-European groups remains an issue in New Zealand and its potential effects on health may contribute to ethnic health inequities. Ongoing focus and monitoring of racism as a determinant of health is required to inform and improve interventions.

Prenatal and Postnatal Mother-to-Child Transmission of Acculturation's Health Effects in Hispanic Americans

BACKGROUND

Hispanic Americans consistently exhibit an intergenerational increase in the prevalence of many noncommunicable chronic physical and mental disorders.

METHODS

We review and synthesize evidence suggesting that a constellation of prenatal and postnatal factors may play crucial roles in explaining this trend. We draw from relevant literature across several disciplines, including epidemiology, anthropology, psychology, medicine (obstetrics, neonatology), and developmental biology.

RESULTS

Our resulting model is based on evidence that among women, the process of postmigration cultural adjustment (i.e., acculturation) is associated, during pregnancy and after delivery, with psychological and behavioral states that can affect offspring development in ways that may alter susceptibility to noncommunicable chronic disease risk in subsequent-generation Hispanic Americans. We propose one integrated process model that specifies the biological, behavioral, psychological, and sociocultural pathways by which maternal acculturation may influence the child's long-term health. We synthesize evidence from previous studies to describe how acculturation among Hispanic American mothers is associated with alterations to the same biobehavioral systems known to participate in the processes of prenatal and postnatal developmental programming of disease risk. In this manner, we focus on the concepts of biological and cultural mother-to-child transmission across the prenatal and postnatal life phases. We critique and draw from previous hypotheses that have sought to explain this phenomenon (of declining health across generations). We offer recommendations for examining the transgenerational effects of acculturation.

CONCLUSION

A life course model with a greater focus on maternal health and well-being may be key to understanding transgenerational epidemiological trends in minority populations, and interventions that promote women's wellness may contribute to the elimination or reduction of health disparities.

Caste matters: perceived discrimination among women in rural India

The aim of this study is to examine the relationship of caste and class with perceived discrimination among pregnant women from rural western India. A cross-sectional survey was administered to 170 pregnant women in rural Gujarat, India, who were enrolled in a longitudinal cohort study. The Everyday Discrimination Scale and the Experiences of Discrimination questionnaires were used to assess perceived discrimination and response to discrimination. Based on self-report caste, women were classified into three categories with increasing historical disadvantage: General, Other Backward Castes (OBC), and Scheduled Caste or Tribes (SC/ST). Socioeconomic class was determined using the standardized Kuppuswamy scale. Regression models for count and binomial data were used to examine association of caste and class with experience of discrimination and response to discrimination. Sixty-eight percent of women experienced discrimination. After adjusting for confounders, there was a consistent trend and association of discrimination with caste but not class. In comparison to General Caste, lower caste (OBC, SC/ST) women were more likely to (1) experience discrimination (OBC OR: 2.2, SC/ST: 4.1; p trend: 0.01); (2) have a greater perceived discrimination score (OBC IRR: 1.3, SC/ST: 1.5; p trend: 0.07); (3) accept discrimination (OBC OR: 6.4, SC/ST: 7.6; p trend: < 0.01); and (4) keep to herself about discrimination (OBC OR: 2.7, SC/ST: 3.6; p trend: 0.04). The differential experience of discrimination by lower caste pregnant women in comparison to upper caste pregnant women and their response to such experiences highlight the importance of studying discrimination to understand the root causes of existing caste-based disparities.

Impact of prenatal stress on offspring glucocorticoid levels: A phylogenetic meta-analysis across 14 vertebrate species

Prenatal exposure to maternal stress is commonly associated with variation in Hypothalamic Pituitary Adrenal (HPA)-axis functioning in offspring. However, the strength or consistency of this response has never been empirically evaluated across vertebrate species. Here we meta-analyzed 114 results from 39 studies across 14 vertebrate species using Bayesian phylogenetic mixed-effects models. We found a positive overall effect of prenatal stress on offspring glucocorticoids (d' = 0.43) though the 95% Highest Posterior Density Interval overlapped with 0 (-0.16-0.95). Meta-regressions of potential moderators highlighted that phylogeny and life history variables predicted relatively little variation in effect size. Experimental studies (d' = 0.64) produced stronger effects than observational ones (d' = -0.01), while prenatal stress affected glucocorticoid recovery following offspring stress exposure more strongly (d' = 0.75) than baseline levels (d' = 0.48) or glucocorticoid peak response (d' = 0.36). These findings are consistent with the argument that HPA-axis sensitivity to prenatal stress is evolutionarily ancient and occurs regardless of a species' overall life history strategy. These effects may therefore be especially important for mediating intra-specific life-history variation. In addition, these findings suggest that animal models of prenatal HPA-axis programming may be appropriate for studying similar effects in humans.

Is Perceived Discrimination in Pregnancy Prospectively Linked to Postpartum Depression? Exploring the Role of Education

Objectives The role of perceived discrimination in postpartum depression is largely unknown. We investigate whether perceived discrimination reported in pregnancy contributes to postpartum depression, and whether its impact varies by education level. Methods Prospective data are a part of European Longitudinal Study of Pregnancy and Childhood, the Czech Republic. Surveys were collected in mid-pregnancy and at 6 months after delivery. Depression was measured using Edinburgh Postnatal Depression Scale. Generalized linear models were estimated to test the effects of perceived discrimination on postpartum depression. Results Multivariate models revealed that among women with low education, discrimination in pregnancy was prospectively associated with 2.43 times higher odds of postpartum depression (p < .01), after adjusting for antenatal depression, history of earlier depression, and socio-demographic background. In contrast, perceived discrimination was not linked to postpartum depression among women with high education. Conclusions Perceived discrimination is a risk factor for postpartum depression among women with low education. Screening for discrimination and socio-economic disadvantage during pregnancy could benefit women who are at risk for mental health problems.

Dark shadow of the long white cloud: Neighborhood safety is associated with self-rated health and cortisol during pregnancy in Auckland, Aotearoa/New Zealand

Auckland, Aotearoa/New Zealand is a culturally and ethnically diverse city. Despite popular global conceptions regarding its utopian nature, the lived experience for many individuals in Auckland attests to the substantial social, economic, and health inequalities that exist there. In particular, rapidly rising home prices constrain housing decisions and force individuals to live in less desirable neighborhoods, with potential impacts on individual health. One of the pathways through which adverse neighborhood conditions could impact health is through alterations in the functioning of the hypothalamic pituitary adrenal (HPA)-axis, which regulates the physiological stress response. This paper evaluates the relationship between perceived neighborhood safety, self-rated health, and cortisol, an end product of HPA-axis activation, among women in late pregnancy. Pregnant women living in neighborhoods where they were concerned about safety of their property had poorer self-rated health and elevated morning cortisol, even after adjusting for maternal age, material deprivation, and ethnicity. However, fear of personal safety was unrelated to self-rated health and cortisol. These results suggest that maternal health in pregnancy is sensitive to perceptions regarding neighborhood safety. Such findings are important since higher cortisol levels in pregnancy could not only influence maternal health, but also the health and development of women's children.