Global projections of heat exposure of older adults.

The global population is aging at the same time as heat exposures are increasing due to climate change. Age structure, and its biological and socio-economic drivers, determine populations' vulnerability to high temperatures. Here we combine age-stratified demographic projections with downscaled temperature projections to mid-century and find that chronic exposure to heat doubles across all warming scenarios. Moreover, >23% of the global population aged 69+ will inhabit climates whose 95th percentile of daily maximum temperature exceeds the critical threshold of 37.5 °C, compared with 14% today, exposing an additional 177-246 million older adults to dangerous acute heat. Effects are most severe in Asia and Africa, which also have the lowest adaptive capacity. Our results facilitate regional heat risk assessments and inform public health decision-making.

Population Aging and Heat Exposure in the 21st Century: Which U.S. Regions Are at Greatest Risk and Why?

BACKGROUND AND OBJECTIVES: The co-occurring trends of population aging and climate change mean that rising numbers of U.S. older adults are at risk of intensifying heat exposure. We estimate county-level variations in older populations' heat exposure in the early (1995-2014) and mid (2050) 21st century. We identify the extent to which rising exposures are attributable to climate change versus population aging. RESEARCH DESIGN AND METHODS: We estimate older adults' heat exposure in 3,109 counties in the 48 contiguous U.S. states. Analyses use NASA NEX Global Daily Downscaled Product (NEX-GDDP-CMIP6) climate data and county-level projections for the size and distribution of the U.S. age 69+ population. RESULTS: Population aging and rising temperatures are documented throughout the United States, with particular "hotspots" in the Deep South, Florida, and parts of the rural Midwest. Increases in heat exposure by 2050 will be especially steep in historically colder regions with large older populations in New England, the upper Midwest, and rural Mountain regions. Rising temperatures are driving exposure in historically colder regions, whereas population aging is driving exposure in historically warm southern regions. DISCUSSION AND IMPLICATIONS: Interventions to address the impacts of temperature extremes on older adult well-being should consider the geographic distribution and drivers of this exposure. In historically cooler areas where climate change is driving exposures, investments in warning systems may be productive, whereas investments in health care and social services infrastructures are essential in historically hot regions where exposures are driven by population aging.

Telehealth Use Among Older Adults With Sensory, Cognitive, and Physical Impairments: A Substitute or Supplement to Traditional Care?

OBJECTIVES: Telehealth use flourished during the COVID-19 pandemic, as older patients faced obstacles to seeking in-person care. Heavy reliance on telehealth may continue postpandemic, due to increased Medicare investments in its use. However, it is unclear if older adults with disabilities face obstacles to effective telehealth use. We evaluate (a) how sensory, physical, and cognitive impairments affect older adults' use of telehealth only, traditional in-person care only, neither, or both (i.e., combined care); and (b) whether these patterns differ on the basis of socioeconomic and social resources that may facilitate telehealth use. METHOD: Data are from the Self-Administered Questionnaire in the 2020 wave of the Health and Retirement Study (n = 4,453). We estimated multinomial logistic regression models to evaluate associations between impairments and health care service use and tested 2-way interaction terms to evaluate moderation effects. RESULTS: Persons without impairments were most likely to use combined care, considered the optimal form of care. Persons with vision or cognitive impairment were more likely to use telehealth or traditional care only, whereas persons with 3 or more physical limitations were least likely to use telehealth alone, relative to combined care. Patterns did not differ significantly on the basis of any of the potential moderators. DISCUSSION: We discuss implications for health care policy and practice, in light of reimbursement changes proposed by the Centers for Medicare and Medicaid Services for telehealth services. These proposals include the elimination of voice-only services which may be particularly beneficial to vision-impaired older adults.

Estimating Prevalence of Bereavement, Its Contribution to Risk for Binge Drinking, and Other High-Risk Health States in a State Population Survey, 2019 Georgia Behavioral Risk Factor Surveillance Survey.

BACKGROUND: Binge drinking is a pattern of alcohol abuse. Its prevalence and associated risk factors are not well documented. Heavy drinking, on the other hand, has a well-documented association with bereavement. This report uses a cross-sectional, population-based survey to estimate prevalence of bingeing and its association with new bereavement. Bingeing is defined as 4 or more drinks (women) or 5 or more drinks (men) in a 2-4-h setting. For the first time in 2019, the Georgia Behavioral Risk Factor Surveillance Survey (BRFSS) included a bereavement item: 'Have you experienced the death of a family member or close friend in the years 2018 or 2019?' METHODS: Georgia BRFSS is a complex sampling survey administered annually. It is designed to represent the 8.1 million people aged 18 years and older in the U.S. state of Georgia. Alcohol consumption patterns are routinely measured in the common core. In 2019, the state added a new item probing for bereavement in the prior 24 months predating the COVID-19 pandemic. Imputation and weighting techniques were applied to yield the population prevalence rates of new bereavement, bingeing, and their co-occurrence with other high-risk health behaviors and outcomes. Multivariate models, adjusted for age, gender, and race, were used to estimate the risk for other unhealthy behaviors posed by the co-occurrence of bereavement and bingeing. RESULTS: In Georgia, bereavement (45.8%), and alcohol consumption (48.8%) are common. Bereavement and alcohol use co-occurred among 1,796,817 people (45% of all drinkers) with a subset of 608,282 persons reporting bereavement combined with bingeing. The most common types of bereavement were death of a friend/neighbor (30.7%) or three plus deaths (31.8%). CONCLUSIONS: While bingeing is a known risk to public health, its co-occurrence with recent bereavement is a new observation. Public health surveillance systems need to monitor this co-occurrence to protect both individual and societal health. In a time of global bereavement, documenting its influence on binge drinking can support the work towards Sustainable Development Goal #3-Good health and Well-Being.

Urban endoliths: incidental microbial communities occurring inside concrete.

Concrete is now a prevalent type of synthetic rock, and its production and usage have major environmental implications. Yet, assessments of ordinary concrete have rarely considered that concrete itself is potential habitat for a globally important microbial guild, the endolithic microbes, which live inside rocks and other mineralized substrates. We sought evidence that many common concrete structures harbor endolithic microbial communities and that these communities vary widely depending on the conditions imposed by the concrete. In Summer 2022, we obtained samples from various concrete structures found throughout Lubbock, Texas, USA and subjected the internal (non-surface) portions of each sample to controlled microbial life detection tests including culture tests, DNA quantifications, DNA amplification tests, and ATP assays. The great preponderance of positive life detection results from our concrete samples suggests that most modern concrete hosts cryptic endolith communities composed of bacteria, sometimes co-occurring with fungi and/or archaea. Moreover, many of these microbes are viable, culturable, and identifiable via genetic analysis. Endolith signatures varied widely across concrete samples; some samples only yielded trace evidence of possibly dormant microbes while other samples contained much more microbial biomass and diversity, on par with some low-biomass soils. Pre-cast masonry units and fragments of poured concrete found underwater generally had the most endolith signatures, suggesting that concrete forms and environmental positioning affect endolithy. Endolith biosignatures were generally greater in less dense and less alkaline concrete samples. So, concrete endolith communities may be as ubiquitous and diverse as the concrete structures they inhabit. We propose further research of concrete endoliths to help clarify the role of modern concrete in our rapidly urbanizing biosphere.

Ageism and late-life mortality: How community matters.

AGEISM: the deeply entrenched biases that people hold about old age-is a persistent social problem that intensified during the COVID-19 pandemic. The harmful physical, emotional, and cognitive health consequences of individual-level age bias are well-documented, with most studies operationalizing ageism as an older adult's personal encounters with age discrimination, self-perceptions of their own aging, and internalized negative beliefs about old age. However, the impacts of community-level age bias on older adults' well-being have received less attention. This commentary reviews recent evidence (Kellogg et al.,) showing that county-level explicit age bias is associated with lower mortality rates among older adults, with effects limited to older adults residing in counties with relatively younger populations. Effects were not detected in counties with relatively older populations, or for implicit age bias. These counterintuitive findings require further exploration, including the use of more fine-grained measures of community-level ageism, attention to the role of gentrification in communities, and the development of new measures of structural ageism, drawing on approaches used to study the impacts of structural racism. Data science approaches, including the use of social media data in tandem with mortality data, may reveal how age bias affects older adults. Communities are especially important to older adults, who spend much of their time in areas immediately proximate to their homes. As more individuals age in place, and as federal funding for home-based and community services (HCBS) increases, researchers should identify which community-level characteristics, including age bias, undermine or enhance late-life well-being.

To Tell or Not: Chinese Older Adults' Preferences for Disclosing or Concealing Serious Illness Diagnoses.

BACKGROUND AND OBJECTIVES: Knowledge of one's medical diagnosis is critical for end-of-life decision making. However, a patient's right to know their diagnosis is neither guaranteed nor protected by law in China. Doctors typically inform family members of the patient's illness diagnosis and prognosis and let the family decide whether to disclose this information to the patient. This study examines midlife and older Chinese adults' preferences for disclosure of their own and significant others' diagnoses, and the sociodemographic, economic, and cultural factors associated with these preferences. RESEARCH DESIGN AND METHODS: We surveyed 571 adults ages 50+ in Shanghai from 2021 to 2022. Our outcome measures are preferences for diagnosis disclosures, including whether and to whom diagnoses should be disclosed. We characterize preference types using latent class analysis, and estimate multinomial logistic regression to identify the covariates associated with each preference type. RESULTS: Three latent classes were identified. The transparent group (34%) believed patients, whether self or a significant other, should be informed of their own diagnoses. The contradictory group (50%) held conflicting attitudes; they preferred to know their own diagnosis but preferred that significant others not be informed of their diagnoses. The avoidant group (16%) preferred not to know their own diagnosis and similarly preferred not to disclose significant others' diagnoses to them. Familism attitudes were positively associated with holding contradictory views. Experiences with hospitalization and medical decision making for family members were associated with holding transparent views. DISCUSSION AND IMPLICATIONS: We discuss the importance of illness disclosure for honoring patients' autonomous decision making.

Paternal Occupation and Delirium Risk in Older Adults: A Potential Marker of Early-Life Exposures.

Background and Objectives: Delirium is a common disorder among older adults following hospitalization or major surgery. Whereas many studies examine the risk of proximate exposures and comorbidities, little is known about pathways linking childhood exposures to later-life delirium. In this study, we explored the association between paternal occupation and delirium risk. Research Design and Methods: A prospective observational cohort study of 528 older adults undergoing elective surgery at two academic medical centers. Paternal occupation group (white collar vs. blue collar) served as our independent variable. Delirium incidence was assessed using the Confusion Assessment Method (CAM) supplemented by medical chart review. Delirium severity was measured using the peak CAM-Severity score (CAM-S Peak), the highest value of CAM-S observed throughout the hospital stay. Results: Blue-collar paternal occupation was significantly associated with a higher rate of incident delirium (91/234, 39%) compared with white-collar paternal occupation (84/294, 29%), adjusted odds ratio OR (95% confidence interval [CI]) = 1.6 (1.1, 2.3). All analyses were adjusted for participant age, race, gender, and Charlson Comorbidity Index. Blue-collar paternal occupation was also associated with greater delirium severity, with a mean score (SD) of 4.4 (3.3), compared with white-collar paternal occupation with a mean score (SD) of 3.5 (2.8). Among participants reporting blue-collar paternal occupation, we observed an adjusted mean difference of 0.86 (95% CI = 0.4, 1.4) additional severity units. Discussion and Implications: Blue-collar paternal occupation is associated with greater delirium incidence and severity, after adjustment for covariates. These findings support the application of a life-course framework to evaluate the risk of later-life delirium and delirium severity. Our results also demonstrate the importance of considering childhood exposures, which may be consequential even decades later.

The Effect of Physical Limitations on Depressive Symptoms Over the Life Course: Is Optimism a Protective Buffer?

OBJECTIVES: We examined the extent to which optimism buffers the effects of physical limitations on depressive symptoms across 4 mid- and later-life age groups (ages 40-49, 50-64, 65-74, 75 and older at baseline). Analyses are motivated by stress theories, which propose that the protective effects of coping resources are evidenced only at high levels of stress. We further explore whether these purportedly protective effects diminish with age, as health-related stressor(s) intensify and become irreversible. METHODS: We use data from 2 waves (2004-2006 and 2013-2014) of the Health and Retirement Study (HRS, n = 4,515) and Midlife in the United States (MIDUS, n = 2,138). We estimate ordinary least squares regression models with 3-way interaction terms to examine prospectively the benefits of optimism as a coping resource for persons with physical limitations across 4 age groups. Physical limitations are assessed with a composite measure encompassing mobility and activity of daily living limitations. RESULTS: In HRS and MIDUS, persons with 3+ limitations reported significantly more depressive symptoms than persons with 0-2 limitations, yet these disparities diminished at higher levels of optimism. Buffering effects of optimism vary by age. For midlife and young-old persons with 3+ limitations, optimism is strongly and inversely related to depressive symptoms at follow-up. Comparable protective effects are not evident among the oldest sample members. DISCUSSION: Stress and coping models should consider more fully factors that limit older adults' capacity to deploy purportedly protective personal resources. Investments in structural or institutional supports may be more effective than interventions to enhance positive thinking.

Racial and Ethnic Disparities in Advance Care Planning: Assessing the Role of Subjective Life Expectancy.

OBJECTIVES: Persistent race disparities in advance care planning (ACP) are troubling, given Black and Hispanic older adults' elevated risk of disease, some dementias, and receipt of care that may not align with their preferences. A potentially important yet underexplored explanation for these disparities is subjective life expectancy (SLE) or beliefs about one's future survival that may impel or impede ACP. METHODS: Data are from the Health and Retirement Study (n = 8,912). We examined the extent to which perceived chances of living another 10 years are associated with 3 components of ACP (living will, durable power of attorney for health care [DPAHC], and informal discussions). We used multilevel logistic regression models to evaluate the extent to which SLE mediates the association between race and ACP, adjusting for demographic, socioeconomic, psychosocial, and health characteristics. RESULTS: Black and Hispanic older adults have significantly lower rates of ACP relative to Whites. These disparities persist even when SLE is controlled. Blacks report especially optimistic whereas Hispanics report pessimistic survival expectations, although these differences do not explain racial disparities in ACP. SLE has direct effects on ACP, such that persons who report an "uncertain" SLE are less likely to have a living will or a DPAHC, whereas those who perceive a 50% chance of survival have significantly greater odds of discussions, relative to those who perceive a 0% chance of survival. DISCUSSION: Doctor-patient conversations about the likely course of one's illness may inform patients' knowledge of their SLE, which may motivate timely ACP.

Physical Disability and Older Adults' Perceived Food and Economic Insecurity During the COVID-19 Pandemic.

OBJECTIVES: We examined whether older adults with physical disability were vulnerable to three types of perceived economic insecurity (difficulty paying regular bills, difficulty paying medical bills, and income loss) and two types of perceived food insecurity (economic obstacles and logistical obstacles) during the early months of the coronavirus disease 2019 (COVID-19) pandemic. We evaluated the extent to which associations are moderated by three personal characteristics (age, sex, and race/ethnicity) and two pandemic-specific risk factors (job loss and COVID-19 diagnosis). METHOD: Data are from a random 25% subsample of Health and Retirement Study participants who completed a COVID-19 module introduced in June 2020. We estimated logistic regression models to predict each of five self-reported hardships during the pandemic. RESULTS: Bivariate analyses showed that persons with three or more functional limitations were more likely to report both types of food insecurity, and difficulty paying regular and medical bills since the start of the pandemic, relative to those with no limitations. After controlling for health conditions, effects were no longer significant for paying medical bills, and attenuated yet remained statistically significant for other outcomes. Patterns did not differ significantly on the basis of the moderator variables. Job loss substantially increased the risk of economic insecurity but not food insecurity. DISCUSSION: Older adults with more functional limitations were vulnerable to economic and food insecurity during the pandemic, potentially exacerbating the physical and emotional health threats imposed by COVID-19. Supports for older adults with disability should focus on logistical as well as financial support for ensuring their food security.

Lessons Learned From a Centers for Disease Control and Prevention Virtual Partner Services Technical Assistance Pilot Project to Respond to a Local Syphilis Outbreak.

ABSTRACT: A virtual partner services technical assistance (TA) project was piloted with the Minnesota Department of Health to address an ongoing syphilis outbreak. The TA reduced the health department's disease intervention specialist workload, achieved partner services outcomes comparable with in-person methods, and identified lessons learned to replicate with other jurisdictions.

Physical Disability at Work: How Functional Limitation Affects Perceived Discrimination and Interpersonal Relationships in the Workplace.

Adults with disability have significantly lower rates of labor force participation relative to persons without disability, although it is unclear whether this disparity extends to subjective workplace experiences. Using data from the 2004 to 2006 wave of the National Survey of Midlife Development in the United States (n =2,030), we evaluate: (1) whether U.S. workers with physical disability report higher levels of perceived job discrimination and unequal workplace opportunities and lower levels of supervisor and coworker support and (2) whether these patterns differ by sex, age, and occupation group. We find that workers with physical disability fare significantly worse on all four outcomes net of covariates. Disability takes a particularly large toll on men's perceived workplace opportunities and white-collar employees' relationships with coworkers. Young adult workers (ages 30-39) with disability report significantly more support from their supervisor relative to their counterparts without disability. We discuss implications for research and policy.

Occupational differences in advance care planning: Are medical professionals more likely to plan?

Advance care planning (ACP) helps ensure that treatment preferences are met at the end of life. Medical professionals typically are responsible for facilitating patients' ACP, and may be especially effective in doing so if they have first-hand insights from their own planning. However, no large-scale U.S. studies examine whether persons working on the front lines of health care are more likely than other workers to have done ACP. We contrast the use of three ACP components (living wills, durable power of attorney for health care, and informal discussions) among persons working in medical, legal, social/health support services, other professional, and other non-professional occupations. Data are from the Health and Retirement Study (n = 7668) and Wisconsin Longitudinal Study (n = 5464). Multivariable logistic regression analyses are adjusted for socioeconomic, demographic, health, and psychosocial factors that may confound associations between occupational group and ACP. Medical professionals in both samples are more likely than other professional workers to discuss their own treatment preferences, net of all controls. Medical professionals in the WLS are more likely to execute living wills and DPAHC designations, whereas legal professionals in the HRS are more likely to name a DPAHC. Non-professional workers are significantly less likely to do all three types of planning, although these differences are accounted for by socioeconomic factors. Social and health services professionals are no more likely than other professionals to do ACP. The on-the-job experiences and expertise of medical professionals may motivate them to discuss their own end-of-life preferences, which may render them more trustworthy sources of information for patients and clients. The Affordable Care Act provides reimbursement for medical professionals' end-of-life consultations with Medicare beneficiary patients, yet practitioners uncomfortable with such conversations may fail to initiate them. Programs to increase medical professionals' own ACP may have the secondary benefit of increasing ACP among their patients.

Insufficient Advance Care Planning? Correlates of Planning Without Personal Conversations.

OBJECTIVES: Advance care planning (ACP) typically comprises formal preparations (i.e., living will and/or durable power of attorney for health care) and informal discussions with family members and health care providers. However, some people complete formal documents without discussing them with others. If they become incapacitated, their appointed decision makers may lack guidance on how to interpret or enact their formal wishes. We document the prevalence and correlates of this partial approach to ACP. METHOD: Using multinomial logistic regression models and data from a U.S. sample of 4,836 older adults in the 2018 wave of the National Health and Aging Trends Study (NHATS), this brief report evaluated associations between social integration indicators and the odds of completing (a) both discussions and formal plans (two-pronged ACP), (b) discussions only, (c) no ACP, and (d) formal ACP only (reference category). We adjust for demographic and health characteristics established as correlates of ACP. RESULTS: A minority (15%) of NHATS participants reported formal plans without having discussed them. Indicators of social isolation (e.g., smaller social networks and fewer social activities) increased the odds of engaging in formal planning only compared to two-pronged ACP. Socioeconomic disadvantage and probable dementia reduced the odds of having end-of-life conversations, whether as one's only preparation or in tandem with formal preparations. DISCUSSION: Socially isolated persons are especially likely to do formal planning only, which is considered less effective than two-pronged ACP. Health care professionals should recognize that older adults with few kin may require additional support and guidance when doing ACP.

Rethinking the Role of Advance Care Planning in the Context of Infectious Disease.

Advance care planning (ACP) for medical decision-making at the end of life has developed around the expectation of death from long-term, progressive chronic illnesses. We reexamine advance care planning in light of the increased probability of death from COVID-19, an exemplar of death that occurs relatively quickly after disease onset. We draw several conclusions about ACP in the context of infectious diseases: interpersonal and sociostructural barriers to ACP are high; ACP is not well-oriented toward decision-making for treatment of an acute illness; and the U.S. health care system is not well positioned to fulfill patients' end of life preferences in a pandemic. Passing the peak of the crisis will reduce, but not eliminate, these problems.

The Psychological Consequences of Disability over the Life Course: Assessing the Mediating Role of Perceived Interpersonal Discrimination.

We examine whether perceived interpersonal discrimination mediates the association between disability and psychological well-being (depression, negative and positive affect) and how these processes differ across the life course. Data are from two waves (2004-2006; 2013-2014) of the Midlife in the United States (MIDUS; N = 2,503). Perceived discrimination accounts for 5% to 8% of the association between disability and the three mental health outcomes. Moderated mediation analyses reveal significant age differences; perceived discrimination is a stronger explanatory mechanism among midlife (ages 40-64) relative to older (age 65+) adults. Disability stigma takes a heightened psychological toll at midlife, a life stage when adults are expected to be able-bodied and interact with a diverse social network, which may be a source of interpersonal mistreatment. Among older adults, for whom impairment is expected and common, the psychological impact of disability may operate through other pathways. We discuss implications for research and practice.