Skin Tone and Perceived Discrimination: Health and Aging Beyond the Binary in NSHAP 2015

Navigating Complexities: Vitamin D, Skin Pigmentation, and Race

Vitamin D plays a critical role in many physiological functions, including calcium metabolism and musculoskeletal health. This commentary aims to explore the intricate relationships among skin complexion, race, and 25-hydroxyvitamin D (25[OH]D) levels, focusing on challenges the Endocrine Society encountered during clinical practice guideline development. Given that increased melanin content reduces 25(OH)D production in the skin in response to UV light, the guideline development panel addressed the potential role for 25(OH)D screening in individuals with dark skin complexion. The panel discovered that no randomized clinical trials have directly assessed vitamin D related patient-important outcomes based on participants' skin pigmentation, although race and ethnicity often served as presumed proxies for skin pigmentation in the literature. In their deliberations, guideline panel members and selected Endocrine Society leaders underscored the critical need to distinguish between skin pigmentation as a biological variable and race and ethnicity as socially determined constructs. This differentiation is vital to maximize scientific rigor and, thus, the validity of resulting recommendations. Lessons learned from the guideline development process emphasize the necessity of clarity when incorporating race and ethnicity into clinical guidelines. Such clarity is an essential step toward improving health outcomes and ensuring equitable healthcare practices.

Loneliness and global cognitive functioning in racially and ethnically diverse US midlife and older adults

Introduction

Few studies have examined the association of loneliness and cognitive functioning in the US. We used two common measures of loneliness and examined their association in a large sample of US Black, Latino, and White adults (ages ≥ 50).

Methods

We analyzed Wave 3 of the National Social Life, Health, and Aging Project (N = 2,757). We examined loneliness using one item from the CES-D and the Felt Loneliness Measure (NFLM); cognitive functioning was assessed using the Montreal Cognitive Assessment (MoCA) tool, where higher scores indicated better functioning. We used weighted ordinary least squares regressions to examine the effects of loneliness (CES-D loneliness and NFLM in separate models) on MoCA scores. In exploratory analyses, we examined if these relationships varied by race and ethnicity. We adjusted all models for sociodemographic and other salient factors (e.g., chronic disease, depressive symptoms, living alone).

Results

Mean age was 63.49 years, 52% were female, and 9% were Black and 6% Latino persons. Approximately 54% endorsed feeling lonely on at least one measure; 31% (CES-D) and 46% (NFLM). The relationship between loneliness measures was positive and significant, X 2 (1, N = 2,757) = 435.493 p < 0.001. However, only 40% of lonely individuals were identified as lonely on both assessments. CES-D loneliness was inversely (βˆ = -0.274, p = 0.032) associated with MoCA scores and this association did not vary by race and ethnicity. Greater NFLM loneliness was positively associated (βˆ = 0.445, p < 0.001) with higher MoCA scores for Latino participants only.

Discussion

Loneliness appears to be an important predictor of cognitive functioning. However, the association of loneliness and cognitive functioning varied when using the CES-D loneliness item or the NFLM. Future work is needed to understand how loneliness and its clinically relevant dimensions (social, emotional, existential, chronicity) relate to global and individual cognitive domains. Research is needed with racially and ethnically diverse midlife and older adults, particularly to understand our counterintuitive finding for Latino participants. Finally, findings also support the need for research on interventions to prevent cognitive decline targeting loneliness.

Maternal lifetime stress and psychological functioning in pregnancy is associated with preschoolers' temperament: Exploring effect modification by race and ethnicity

BACKGROUND

Psychosocial stress and psychopathology frequently co-occur, with patterns differing by race and ethnicity. We used statistical mixtures methodology to examine associations between prenatal stress and child temperament in N = 382 racially and ethnically diverse maternal-child dyads to disentangle associations among maternal stressful life events, maternal psychological functioning in pregnancy, childhood neurobehavior, and maternal race and ethnicity.

METHODS

This study utilized data from a longitudinal pregnancy cohort, PRogramming of Intergenerational Stress Mechanisms (PRISM). Mothers completed the Lifetime Stressor Checklist-Revised, Edinburgh Postnatal Depression Scale, and Spielberger State-Trait Anxiety Scale during pregnancy. When their children were 3-5 years of age, they completed the Children's Behavior Questionnaire, which yields three temperament dimensions: Negative Affectivity (NA), Effortful Control (EC), and Surgency (S). We used weighted quantile sum regression to derive a weighted maternal stress index encompassing lifetime stress and depression and anxiety symptoms and examined associations between the resulting stress index and child temperament. Differential contributions of individual stress domains by race and ethnicity also were examined.

RESULTS

Mothers self-identified as Black/Black Hispanic (46.1 %), non-Black Hispanic (31.9 %), or non-Hispanic White (22 %). A higher maternal stress index was significantly associated with increased child NA (β = 0.72 95 % CI = 0.35, 1.10). Lifetime stress was the strongest contributor among Hispanic (36.7 %) and White (17.8 %) mothers, whereas depressive symptoms in pregnancy was the strongest contributor among Black (16.7 %) mothers.

CONCLUSION

Prenatal stress was most strongly associated with negative affectivity in early childhood. Consideration of multiple stress measures as a mixture accounted for differential contributions of individual stress domains by maternal race and ethnicity. These findings may help elucidate the etiology of racial/ethnic disparities in childhood neurobehavior.

Skin tone representation in dermatologic direct-to-consumer advertisements: a cross-sectional analysis and call to action

Background

Direct-to-consumer advertisements (DTCAs) in medical marketing serve as a prominent modality to deliver information to an increasingly diverse audience of consumers and increase prescription sales. In dermatology, advertisements have the potential to shape the public's opinions, aid in the understanding of skin conditions, and raise awareness of available treatments.

Objective

To investigate and characterize the representation of skin tones in DTCAs.

Methods

Nielsen ratings were utilized to identify the networks most watched by Black viewers in 2022. Programming on NBCUniversal, ABC, CBS, and FOX that aired in the District of Columbia, suburban Maryland, and Northern Virginia from June 2022 to July 2022 was reviewed for DTCAs. DTCAs were then analyzed to determine the skin tones of models and skin conditions depicted on models with darkly pigmented skin.

Results

Of the 106 DTCAs related to dermatologic conditions, there were 13 unique advertisements featuring 32 unique models. Four advertisements depicted the skin condition on darkly pigmented skin tones. Using the Monk Skin Tone (MST) scale to assess the 32 unique individuals, only 25% (n = 8) were rated at an MST 7 or above, and 6.25% (n = 2) were rated at an MST 10.

Limitations

This study has the limitation of only sampling DTCAs from Washington, District of Columbia which does not fully represent all dermatology-related DTCAs in the United States.

Conclusion

Results of this content analysis demonstrate that the number of persons of color within dermatologic DTCAs is 23%, whereas there are 13.6% Black individuals in the 2021 US census. This suggests that DTCAs are becoming more diverse since 2018. However, findings also show that the vast majority of DTCAs do not include models with darkly pigmented skin, and there remains a lack of advertisements depicting skin disease among people of color. Given the role of DTCAs in informing and aiding patients' requests for prescription drugs, representation of all skin tones is essential for this communication to be effective, especially in the field of dermatology.