Faculty Bibliography

OBJECTIVE:To compare anonymized and non-anonymized approaches for imputing race and ethnicity in descriptive studies of chronic disease burden using electronic health record (EHR)-based datasets. STUDY SETTING AND DESIGN/METHODS:In this New York City-based study, we first conducted simulation analyses under different missing data mechanisms to assess the performance of Bayesian Improved Surname Geocoding (BISG), single imputation using neighborhood majority information, random forest imputation, and multiple imputation with chained equations (MICE). Imputation performance was measured using sensitivity, precision, and overall accuracy; agreement with self-reported race and ethnicity was measured with Cohen's kappa (κ). We then applied these methods to impute race and ethnicity in two EHR-based data sources and compared chronic disease burden (95% CIs) by race and ethnicity across imputation approaches. DATA SOURCES AND ANALYTIC SAMPLE/UNASSIGNED:Our data sources included EHR data from NYU Langone Health and the INSIGHT Clinical Research Network from 3/6/2016 to 3/7/2020 extracted for a parent study on older adults in NYC with multiple chronic conditions. PRINCIPAL FINDINGS/RESULTS: = 0.33). When these methods were applied to the NYU and INSIGHT cohorts, however, racial and ethnic distributions and chronic disease burden were consistent across all imputation methods. Slight improvements in the precision of estimates were observed under all imputation approaches compared to a complete case analysis. CONCLUSIONS:BISG imputation may provide a more accurate racial and ethnic classification than single or multiple imputation using anonymized covariates, particularly if the missing data mechanism is MNAR. Descriptive studies of disease burden may not be sensitive to methods for imputing missing data.

BACKGROUND AND OBJECTIVES/OBJECTIVE:Disturbances in brain catecholamine activity may be associated with symptoms after exposure to repetitive head impacts (RHIs) or related chronic traumatic encephalopathy (CTE). In this article, we studied CSF catecholamines in former professional and college American football players and examined the relationship with football proxies of RHI exposure, CTE probability, cognitive performance, neuropsychiatric symptoms, and parkinsonism. METHODS:In this observational cross-sectional study, we examined male former American football players, professional ("PRO") or college ("COL") level, and asymptomatic unexposed male ("UE") individuals from the DIAGNOSE CTE Research Project. Catecholamines-norepinephrine (NE) and its metabolite, 3,4-dihydroxyphenylglycol (DHPG), and dopamine (DA) and its precursor, 3,4-dihydroxyphenylalanine (l-DOPA), and metabolite, 3,4-dihydroxyphenylacetic acid (DOPAC)-were measured in CSF with high-performance liquid chromatography and compared across groups with analysis of covariance. Multivariable linear regression models tested the relationship between CSF catecholamines and proxies of RHI exposure (e.g., total years of playing American football), factor scores for cognition, and neurobehavioral dysregulation (explosivity, emotional dyscontrol, impulsivity, affective lability), as well as depressive/anxiety symptoms, measured with the Beck Depression/Anxiety Inventories. CTE probability and parkinsonism were assessed using the National Institute of Neurological Disorders and Stroke consensus diagnostic criteria for traumatic encephalopathy syndrome (TES), and biomarkers were compared among different diagnostic groups. RESULTS:The cohort consisted of 120 former American football players (85 PRO players, 35 COL players) and 35 UE participants (age 45-75). Former players had significantly lower levels of NE (mean difference = -0.114, 95% CI -0.190 to -0.038), l-DOPA (-0.121, 95% CI -0.109 to -0.027), and DOPAC (-0.116, 95% CI -0.177 to -0.054) than UE participants. For NE and DOPAC, these overall group differences were primarily due to differences between the PRO and UE cohorts. No significant differences were found across TES-CTE probability subgroups or TES-parkinsonism diagnostic groups. Within the COL cohort, tested as post hoc analyses, higher CSF NE and l-DOPA were associated with higher neurobehavioral dysregulation factor scores, BAI total score, and worse executive functioning and processing speed. CSF DHPG and DOPAC were associated with impulsivity only in this subgroup. DISCUSSION/CONCLUSIONS:We observed reduced CSF catecholamine concentrations in former elite American football players, although the relationship with degree of RHI exposure and the clinical impact needs further study.

Research shows that donor families report feeling abandoned, lacking social support, and receiving insufficient aftercare services. To meet the needs of these families, Taylor's Gift Foundation developed a free, virtual grief support program that pairs participating donor family members with Caring Guides trained in assertive community engagement and offers peer-facilitated support groups. Project Aim: The aim was to assess participant experiences with Taylor's Gift Foundation grief support program to understand its impact on grief symptoms, donor family access to grief support, and perceived social support. Design: Researchers conducted a qualitative evaluation using semi-structured interviews with 21 program participants. Results were analyzed using rapid qualitative analysis and descriptive statistics. Results: Eighteen (86%) participants worked with Caring Guides, 12 (57%) attended an average of 7 support groups, and 8 (39%) worked with Caring Guides and attended support groups. Eleven (52%) program participants reported difficulties accessing mental health services. Most program participants (86%) reported a decrease in grief intensity since enrolling in the program. Conclusion: Effective aftercare services were critical in helping donor families cope with, and adapt to, their loss. The Taylor's Gift Foundation grief support program helped donor family members access otherwise inaccessible grief support services and provided a valuable means of social support.

INTRODUCTION/BACKGROUND:Forms of combustible tobacco, such as shisha and pipe tobacco, are popular in the Middle East. Poly use of combustible tobacco products increases exposure to the harmful toxicants in them. Little is known about patterns of tobacco use behaviors in Middle Eastern countries and the potential harms due to particular types and concurrent versus single-use. METHODS:We analyzed data on tobacco use from 7,535 Emirati adults as part of the UAE Healthy Future Study, a longitudinal cohort study in the United Arab Emirates. We examined associations between single, dual, or poly combustible tobacco use and sociodemographic and clinical factors, including markers of cardiovascular disease (CVD). We also examined associations between the type of tobacco used and markers of CVD. RESULTS:Age-adjusted prevalence of combustible tobacco use was 34%. Single, dual, and poly use were 47%, 35%, and 18%, respectively. Parental tobacco use was associated with any kind of combustible tobacco use, and was strongly associated with poly use (RRRp=4.4, 95% CI=1.2, 16.8). Those who used one or more combustible tobacco products had higher levels of some CVD markers, notably HDL and Apolipoprotein A. Use of any type of tobacco was associated with increased risk for markers of CVD. CONCLUSIONS:Any amount of tobacco used was associated with differences in CVD markers. Associations were strongest for poly tobacco users. Future studies are needed to understand relationships between single, dual and poly combustible tobacco use, different combustible tobacco types, and disease risk. IMPLICATIONS/CONCLUSIONS:All forms of tobacco were associated with markers of CVD, signaling that there is no safer form of combustible tobacco. The study is one of the largest to characterize tobacco use behaviors in a Middle Eastern population, and should provide an important benchmark for further research on different, and sometimes co-occurring, forms of tobacco use.

PURPOSE/OBJECTIVE:To evaluate outcomes from the Trainers in Oncofertility Reproductive Communication and Health (TORCH) program, which trains Allied Health Professionals (AHPs) to become leaders in counseling AYA cancer patients on reproductive health. METHODS:ECHO-TORCH was developed for alumni of the Enriching Communication Skills for Health Professionals in Oncofertility (ECHO) program. It included web-based modules on evidence-based content, adult learning principles, and a simulation exercise for skill practice. Evaluation involved pre/post-tests, skills assessments during simulation via standardized learners (SLs) and faculty observers, and online focus groups. RESULTS:ECHO-TORCH learners (n = 10) showed improved knowledge, from 76% on pre-test to 86% on post-test (p < 0.01). Both SLs (86%) and faculty observers (90%) showed high likelihood of inviting learners back for future presentations. In online focus groups, participants described the modules as clear, relevant, and highly satisfying. Learners appreciated the opportunity for practice and structured review of the ECHO content. CONCLUSIONS:The ECHO-TORCH program improved AHPs' knowledge and skills in teaching reproductive health content to AYA cancer patients. The train-the-trainer model empowers AHPs to disseminate knowledge within their institutions, ultimately improving care quality and empowering AYA patients to make informed decisions about reproductive health. IMPLICATIONS FOR CANCER SURVIVORS/CONCLUSIONS:Continued development of professionals in reproductive healthcare will significantly enhance cancer survivors' quality of life by supporting informed decision-making regarding their reproductive health.

BACKGROUND:Few African studies have established links between climate shocks and mental health outcomes. This study examines the impact of climate change-related shocks on depressive symptoms and suicidal thoughts in a group of 14,801 female participants dependent on the informal agricultural sector. METHODS:Women living in informal settlements without running water or flushing toilets were classified as the treatment group, while rural women with basic amenities served as the control group. We applied a two-stage least-squares model to assess the effects of climate shocks-reduced rainfall, heat waves, and drought-on depression and suicidal ideation. FINDINGS/RESULTS:Climate shocks contribute towards a 10.8% [95% CI: 2.3%-17.7%] increase in depressive symptoms in the women from the informal settlement group versus the women from rural households. These increases in depressive symptoms have significant negative spillover effects on suicidal ideation in the woman living in informal settlements. Less rain was associated with 28.7% [95% CI: 22.5%-34.5%] higher suicidal ideation in the woman living in informal settlements. Heat waves increased suicidal ideation by 14.9% [95% CI: 7.6%-20.7%]. Drought caused a 36.7% [95% CI: 29.4%-41.1%] increase in suicidal ideation. The accumulative effects of climate change shocks and high food prices increased suicidal ideation by 48.3% [95% CI: 35.2%-54.9%]. INTERPRETATION/CONCLUSIONS:Climate change shocks worsen depression and consequently drive suicidal thoughts in women from informal settlements with varying intensity. Kenyan policymakers may need to prioritize the provision of mental health services in the aftermath of climate change-related shocks. FUNDING/BACKGROUND:This study was supported by the Canadian philanthropic foundation called the Waverley House. This funding is used to support all research projects of the Brain and Mind Institute, Aga Khan University.

INTRODUCTION/BACKGROUND:Delayed Emergency Medical Services (EMS) response and transport (time from injury occurrence to hospital arrival) are associated with increased injury mortality. Inequities in accessing EMS care for injured patients are not well characterized. We sought to evaluate the association between the area deprivation index (ADI), a measure of geographic socioeconomic disadvantage, and timely access to EMS care within the United States. METHODS:The Homeland Infrastructure Foundation Level Data open-source database from the National Geospatial Intelligence Agency was used to evaluate the location of EMS stations across the United States using longitude and latitude coordinates. The ADI was obtained from Neighborhood Atlas at the census block group level. An ambulance desert (AD) was defined as populated census block groups with a geographic center outside of a 25-minute ambulance service area. The total population (urban and rural) located within an AD and outside an AD (non-ambulance desert [NAD]) and the ADI index distribution within those areas were calculated with their statistical significance derived from χ2 testing. Spearman correlations between the number of EMS stations available within 25-minutes service areas and ADI were calculated, and statistical significance was derived after accounting for spatial autocorrelation. RESULTS:A total of 42,472 ground EMS stations were identified. Of the 333,036,755 people (current US population), 2.6% are located within an AD. When stratified by type of population, 0.3% of people within urban populations and 8.9% of people within rural populations were located within an AD (p < 0.01). When compared with NADs, ADs were more likely to have a higher ADI (ADIAD, 53.13; ADINAD, 50.41; p < 0.01). The number of EMS stations available per capita was negatively correlated with ADI (rs = -0.25, p < 0.01), indicating that people living in more disadvantaged neighborhoods are likely to have fewer EMS stations available. CONCLUSION/CONCLUSIONS:Ambulance deserts are more likely to affect rural versus urban populations and are associated with higher ADIs. The impact of inequities in access to EMS care on outcomes deserves further study. LEVEL OF EVIDENCE/METHODS:Prognostic and Epidemiological; Level III.

BACKGROUND:Our understanding of traditional atherosclerotic risk factors is based predominantly on one-time measurements and associations with adverse cardiovascular outcomes. OBJECTIVES/OBJECTIVE:The aim of this study was to evaluate the contribution of mid- to late-life cumulative risk factor exposure to healthy arterial aging, represented by a persistent coronary artery calcium (CAC) score of zero. METHODS:Among 2,044 community-dwelling, participants free of coronary heart disease from the ARIC (Atherosclerosis Risk in Communities) study, the associations of ∼30-year time-weighted average mid- to late-life (starting at a median age of 49 years in 1987-1989) traditional atherosclerotic risk factors (cholesterol, systolic blood pressure, fasting glucose, and smoking) with late-life (median age 80 years in 2018-2019) CAC 0 were evaluated. RESULTS:A total of 204 participants (10.0%) had CAC 0, and they tended to have more favorable mid- to late-life average risk factor profiles than those with CAC: lower total cholesterol, especially <160 mg/dL; lower systolic blood pressure, especially <125 mm Hg; and higher high-density lipoprotein cholesterol, especially >45 mg/dL. The association was less evident for fasting glucose, with no increased probability of CAC 0 at <95 mg/dL. Never smoking was associated with a 5.7 (95% CI: 2.3-16.7) times greater odds of CAC 0 vs smoking throughout mid- to late-life. Within sex-race groups, average modifiable risk factors predicted substantial differences in CAC 0 probability (eg, for a Black woman, 53% vs 0.4% for a low vs high risk factor profile, respectively). CONCLUSIONS:Favorable average risk factor profiles at mid- to late-life were associated with a greater probability of CAC 0 at older age. These results highlight the importance of maintaining a healthy risk factor profile from mid- to late-life, with implications for public health promotion and policy.