The effect of the US Child Tax Credit advance payments in 2021 on adolescent mental health: Changes in depression symptoms and suicidality.

Objective: Child poverty is associated with poor adolescent mental health. Changes to the Child Tax Credit (CTC) in 2021 in the U.S. were historic and introduced a new model of distributing the credit in advance of tax filing, providing families with stable, supplemental monthly income. This policy shift offers a unique opportunity to examine the mental health effects for adolescents. Methods: We use electronic health record data from a large pediatric primary care network in Columbus, Ohio, which collected adolescent depression screening scores in real time as the CTC advance payments were introduced. We utilized differences in age of eligibility for the CTC to examine the changes in the probability of depression screening outcomes (positive depression screen, any depression symptom, any suicidal ideation), for adolescents eligible for the credit (turned 18 first quarter of 2022), relative to those not eligible (turned 18 last quarter of 2021) (n = 1,423). Results: We did not observe a significant association between the policy change and study outcomes in the overall sample. However, the percentage of adolescents with a positive depression screen significantly declined for Non-Hispanic Black (13.4 percentage point reduction, p = 0.01) and publicly insured (9.7 percentage point reduction, p = 0.04) adolescents. Conclusions: Our findings suggest reductions in depression symptoms for subgroups of adolescents who were age-eligible for the CTC compared to their counterparts who were not eligible. The CTC advance payments were a brief experiment in universal basic income and may offer a policy solution for addressing both poverty and a growing adolescent mental health crisis.

Postpartum Depression Screening in Pediatric Primary Care Clinics and Infant Receipt of Preventive or Acute Care.

OBJECTIVE: To evaluate the association between postpartum depression (PPD) screening results in pediatric primary care and subsequent infant preventive and acute care utilization. METHODS: This was a retrospective cohort analysis of 5,341 infants born in 2021 whose mothers were screened for PPD at a well-child visit during the first 6 months. Logistic regression was used to examine that association between a positive PPD screen and 1) adherence to the 12-month well-child visit, and 2) any acute care visits (urgent care or emergency department visits) from 6-15 months. The association between PPD screen and number of acute care visits was examined with negative binomial logistic regression. RESULTS: The incidence of positive PPD screens was 15.6% in the first 6 months. There was no significant difference in 12-month well-child visit adherence based on PPD screening (adjusted odds ratio (aOR): 0.91; 95% confidence interval (CI): 0.77 to 1.06; p-value: 0.206). The odds of having any acute care visit were higher among infants whose mothers screened positive for PPD (aOR: 1.2; 95% CI: 1.0 to 1.3; p-value: 0.009). There was a significant difference in the incidence rate of acute care visits based on PPD screening results (incidence rate ratio: 1.1; 95% CI: 1.0 to 1.2; p-value: 0.005). CONCLUSIONS: Screening positive for PPD was associated with subsequent acute care utilization but not 12-month preventive care. Primary care providers may need to proactively follow-up after acute care visits to ensure both infant health and maternal needs are met, connecting mothers to resources as needed.

Rural-urban differences in social and emotional protective factors and their association with child health and flourishing.

BACKGROUND: Children in rural communities experience higher mortality rates and less access to health care services than those in urban communities. Protective factors like social support also vary by geography, but their contribution to differences in child health is understudied. Understanding geographic variation in protective health factors could provide insight into their impact on health and guide future intervention strategies. RESEARCH OBJECTIVE: To examine protective factors' association with child flourishing and child health status in rural and urban communities. METHODS: Publicly available data from the National Survey of Children's Health, 2018-2021, with nonmissing geographic data (N = 150,493) were used to assess the relationship between protective factors and child flourishing and health by rurality. Multivariate survey-weighted probit models examined these relationships, adjusting for child and caregiver characteristics. FINDINGS: More than a third of children were not flourishing, according to parental report. An estimated 62% of rural children were flourishing compared to 66% of urban children (P<0.001). Urban caregivers also were more likely to report better adult mental and physical health status. Nevertheless, rural children were reported to receive more social support than urban children, while their caregivers reported more emotional support and living in supportive and safe neighborhoods (P<0.001). Rural caregivers reported more support from places of worship and less from counselors/other mental health care providers than urban caregivers. CONCLUSIONS: Despite higher reported caregiver emotional support and child social support, fewer rural children are flourishing. Health systems and community organizations able to leverage these existing social and emotional protective factors in rural communities could help close this gap.

Healthcare Use Among Black and White Congenital Heart Disease Medicaid Enrollees.

Congenital heart disease (CHD) is the most common birth anomaly in the US. Research shows lost-to-follow-up trends and racial disparities in healthcare use. This study examines racial differences in healthcare use among Medicaid-covered children with CHD. Using 2010-2019 claims data from a pediatric Medicaid Accountable Care Organization, 960 Black and White children with complex CHD and ≥ 3 years of continuous Medicaid coverage were identified. Three cohorts were constructed (starting age: < 1-year-olds, 1-5-year-olds, 6-15-year-olds) and followed for 3 years. Multivariate analysis assessed annual healthcare use (cardiology, primary care, emergency department) by race, adjusting for patient and provider covariates. Overall, 51% of patients had an annual cardiology visit, and 54% had an annual primary care visit. Among the 1-5-year-old cohort, Black children were predicted to be 13% less likely to have an annual cardiology visit compared to their White counterparts (p = 0.001). Older Black children were predicted to be more likely to have a primary care visit compared to their White counterparts. Nearly half of Medicaid-enrolled children with complex CHD did not receive recommended cardiology care. Young Black children were less likely to receive an annual cardiac visit, while older Black children were more likely to receive primary care. While the percentage with an annual cardiac visit was low, the majority had seen a cardiologist within the 3-year window, suggesting these children are still receiving cardiology care, if less frequently than recommended. Opportunities exist for cardiology and primary care to collaborate to ensure patients receive timely recommended care.

Young adults with congenital heart disease heading to college: Are college health centers and providers prepared?

BACKGROUND: An estimated 1.4 million adults in the United States have congenital heart disease (CHD). As this population grows and many pursue postsecondary education, these adults' health care needs and concerns should be at the forefront for providers, particularly nurse practitioners, at college health centers. PURPOSE: To understand how college health centers and providers identify and manage the care of students with chronic conditions to further support their health care transition, with a focus on students with CHD. METHODOLOGY: Qualitative key informant interviews were performed with providers at five college health centers to understand the processes in place and the challenges health care providers on college campuses face when caring for students with CHD. RESULTS: Most of the college health centers did not have formalized processes in place to care for these students. Although many felt that they had the capabilities in their health centers to manage these students' maintenance/preventive care needs, fewer felt comfortable with their urgent or emergent care needs. The onus was often on students or parents/guardians to initiate these transitions. CONCLUSIONS: This study highlights some challenges to providing care to students with chronic conditions like CHD. More collaborative relationships with specialists may be critical to ensuring that all the care needs of chronic disease students are met on college campuses. IMPLICATIONS: Nurse practitioners, who often staff these clinics, are well positioned to support this transition onto campuses and lead the development of processes to identify these students, ease care management transitions, and ensure easy provider communication that allow students with chronic diseases to thrive on campus.

Assessment of US Federal Funding of Incarceration-Related Research, 1985 to 2022.

Importance: The US leads the world in the raw number of incarcerated persons as well as the rate of incarceration, with detrimental effects on individual-, family-, community-, and population-level health; as such, federal research has a critical role in documenting and addressing the health-related impacts of the US criminal legal system. How often incarceration-related research is funded at the National Institutes of Health (NIH), National Science Foundation (NSF), and US Department of Justice (DOJ) levels has a direct association with the public attention given to mass incarceration as well as the efficacy of strategies to mitigate negative effects and poor health related to incarceration. Objective: To understand how many incarceration-related projects have been funded at the NIH, NSF, and DOJ. Design, Setting, and Participants: This cross-sectional study used public historical project archives to search for relevant incarceration-related keywords (eg, incarceration, prison, parole) since January 1, 1985 (NIH and NSF), and since January 1, 2008 (DOJ). Quotations and Boolean operator logic were used. All searches and counts were conducted and double verified by 2 coauthors between December 12 and 17, 2022. Main Outcomes and Measures: Number and prevalence of funded projects related to incarceration and prison keywords. Results: The term incarceration resulted in 3540 of 3 234 159 total project awards (0.11%) and prisoner-related terms resulted in 11 455 total project awards (0.35%) across the 3 federal agencies since 1985. Nearly a tenth of all projects funded at NIH since 1985 related to education (256 584 [9.62%]) compared with only 3373 projects (0.13%) that related to criminal legal or criminal justice or correctional system and 18 projects (0.0007%) that related to incarcerated parents. Only 1857 (0.07%) of all NIH-funded projects have been funded related to racism since 1985. Conclusions and Relevance: This cross-sectional study found that a very low number of projects about incarceration have historically been funded at the NIH, DOJ, and NSF. These findings reflect a dearth of federally funded studies investigating the effects of mass incarceration or intervention strategies to mitigate adverse effects. Given the consequences of the criminal legal system, it is undoubtedly time for researchers, and our nation, to invest more resources into studying whether this system should be maintained, the intergenerational effects of mass incarceration, and strategies to best mitigate its impact on public health.

Left behind again: Rural home health services in a Medicaid pediatric accountable care organization.

PURPOSE: To contrast trends in rural and urban pediatric home health care use among Medicaid enrollees. METHODS: Medicaid administrative claims data were used to assess differences in home health care use for child members in a large pediatric accountable care organization (ACO) in Ohio. Descriptive statistics assessed rural and urban differences in health care use over a 10-year period between 2010 and 2019. FINDINGS: Pediatric home health care use increased markedly in the low-income (CFC) and disabled (ABD) Medicaid categories. Over the past 10 years, CFC-enrolled children from urban communities have seen more home health visits, fewer emergency department (ED) visits, and more well child visits compared to rural CFC-enrolled children. Children enrolled due to disabilities in urban communities have also seen more home health visit use but fewer preventive care visits than their rural counterparts. CONCLUSIONS: Within a pediatric ACO, rural home health care use has remained relatively stagnant over a 10-year period, a stark contrast to increases in home health care use among comparable urban populations. There are likely multiple explanations for these differences, including overuse in urban communities, lack of access in rural communities, and changes to home health reimbursement. More can be done to improve rural home health access. Such improvement will likely necessitate large-scale changes to home health care delivery, workforce, and financing. Improvements should be evaluated for return-on-investment not only in terms of direct costs, that is, reduced inpatient or ED costs, but also in terms of patient and family quality-of-life or key indicators of child well-being such as educational attainment.

Social Determinants of Health Needs and Pediatric Health Care Use.

OBJECTIVE: To examine the associations between family-reported social needs in primary care settings and pediatric health care use. STUDY DESIGN: Data were obtained for a sample of 56 253 children and youths (age 0-21 years) who received primary care at a large hospital-based pediatric institution between June 2018 and October 2019 to estimate a propensity score for the probability of being seen in a primary care clinic. Inverse probability weighted regression specifications were used to examine the associations between reported social needs and health care use. Families were asked about 4 social needs: housing, utilities, transportation, and food. Outcomes included the number of Emergency Department (ED), inpatient, social work, and well-child visits (only for those aged 0-2 years) in the 6 months before and after needs screening. RESULTS: Overall, 12.0% of the families reported a general social need, with 28% of those needs identified as urgent. Food and transportation needs were most common. Patients with needs were more likely to have an ED or inpatient visit at 6 months prescreening and 6 months postscreening compared with those without needs. Among children aged <2 years, those with a social need were less likely to have completed a well-child visit at 6 months postscreening compared with those without a need. CONCLUSIONS: Social needs are linked to less preventive care use and greater reliance on emergency care services. Understanding how to better assist families in need requires greater attention.

Smoking among adult congenital heart disease survivors in the United States: Prevalence and relationship with illness perceptions.

The relationship between smoking and illness perceptions among congenital heart disease (CHD) survivors is unknown. The primary aims of the present study were to compare the smoking prevalence among CHD survivors to a nationally representative U.S. sample and examine the relationship between smoking and illness perceptions. CHD survivors (N = 744) from six U.S. sites participated in the study. The smoking prevalence among CHD survivors (9.3%) was lower than the general population (15.3%). However, 23.3% of CHD survivors with severe functional limitations smoked. Smoking prevalence differed by U.S. region, with a greater proportion of those attending CHD care in the Midwest reporting smoking (11.8%). The illness perception dimensions of Concern and Emotional Response were independently associated with smoking. Differences in illness perceptions enhance our understanding of smoking among CHD survivors and may guide interventions promoting positive health behaviors. The protocol for the study from which the present analyses were conducted was recorded at ClinicalTrials.gov: NCT02150603.

Trends in healthcare utilisation for firearm-related injuries among a cohort of publicly insured children in Ohio.

OBJECTIVE: To examine healthcare utilisation for all firearm-related injuries among publicly insured children. METHODS: A retrospective analysis of firearm injury medical claims among paediatric (<21 years) Medicaid beneficiaries in Ohio from 2010 to 2018. Factors associated with unintentional and intentional firearm injury were explored using multivariable logistic regression. Average annual patient healthcare costs were determined in 2019 US$. RESULTS: There were 1061 firearm injury-related claims (853 (80%) unintentional; 154 (15%) intentional; 54 (5%) unknown) occurring in 663 children over 2 736 517 available person-years. From 2010 to 2018, yearly total firearm claims rose from 19.7 to 31.3 per 100 000 persons (p=0.033). Urban children experienced a non-significant increase in firearm claims rate over time (26.1 vs 35.0/100 000; p=0.066) while the claims rate nearly tripled among those in rural areas (8.4 vs 24.0/100 000; p=0.012). Younger age, females and rural residence were associated with reduced odds of injury claims. The average annual costs for emergency department and inpatient visits, respectively, were $260 and $5735. CONCLUSION: Risk and type of firearm injury claims among low-income children in Ohio varies by age, sex and residence. Prevention programmes should be tailored based on these demographics.

Contribution of Social Determinant of Health Factors to Rural-Urban Preventive Care Differences Among Medicaid Enrollees.

OBJECTIVE: 1) Assess whether rural-urban disparities are present in pediatric preventive health care utilization; and 2) use regression decomposition to measure the contribution of social determinants of health (SDH) to those disparities. METHODS: With an Ohio Medicaid population served by a pediatric Accountable Care Organization, Partners For Kids, between 2017 and 2019, we used regression decomposition (a nonlinear multivariate regression decomposition model) to analyze the contribution of patient, provider, and SDH factors to the rural-urban well-child visit gap among children in Ohio. RESULTS: Among the 453,519 eligible Medicaid enrollees, 61.2% of urban children received a well-child visit. Well-child visit receipt among children from large rural cities/towns and small/isolated towns was 58.2% and 55.5%, respectively. Comparing large rural towns to urban centers, 55.8% of the 3.0 percentage-point difference was explained by patient, provider, and community-level SDH factors. In comparing small/isolated town to urban centers, 89.8% of the 5.7 percentage-point difference was explained by these characteristics. Of provider characteristics, pediatrician providers were associated with increased well visit receipt. Of the SDH factors, unemployment and education contributed the most to the explained difference in large rural towns while unemployment, education, and food deserts contributed significantly to the small/isolated town difference. CONCLUSIONS: The receipt of pediatric preventive care is slightly lower in rural communities. While modest, the largest part of the rural-urban preventive care gap can be explained by differences in provider type, poverty, unemployment, and education levels. More could be done to improve pediatric preventive care in all communities.

Patient Sharing and Health Care Utilization Among Young Adults With Congenital Heart Disease.

Transitions from pediatric to adult care by young adults with chronic conditions are fraught with challenges. Poor transitions lead to discontinuities of care that are avoidable with better communication between providers. We tested whether exposure to providers with sustained patient-sharing relationships resulted in fewer emergent admissions of young adults with congenital heart disease (CHD). Care transitions are particularly important for young adults with CHD. Though it is not possible to avoid planned admissions for scheduled procedures, emergency admissions are avoidable with proper care. We tested whether several different patient-sharing relationship measures influenced emergent admissions and found that compared with less severe CHD patients, those with severe CHD experienced a 4 to 10 percentage point decline in emergent admissions given a 5 percentage point increase in practice-level patient-sharing relationships. These results are consistent with our hypothesis that patient sharing improves communication and continuity of care across providers, especially for severe CHD patients.

Coming full circle (to hard questions): Patient- and family-centered care in the hospital context.

Roughly 60 years after the first questions were raised about hospitalized patients, Kaslow and colleagues (see record 2020-40858-010) articulate the importance of patient- and family-centered care and outline recommendations for hospitalist care teams. They concisely point out the need for such practices, but more important, they provide many practical examples. Some of the main recommendations include (a) form partnerships, (b) prioritize communication, (c) discuss care goals, (d) share decision-making, (e) collaborate to implement the treatment plan, (f) negotiate differences, and (g) make special accommodations for discharge planning. Within each of these areas, the authors provide specific patient-centered and family-focused practices. At a global level, none of the recommendations provided are unique to hospitalists' practice. Almost all of them are similar to patient- and family-centered care recommendations from other settings. (PsycInfo Database Record (c) 2020 APA, all rights reserved).

State Laws and Nonprofit Hospital Community Benefit Spending.

OBJECTIVE: To determine the association of state laws on nonprofit hospital community benefit spending. DESIGN: We used multivariate models to estimate the association between different types of state-level community benefit laws and nonprofit hospital community benefit spending from tax filings. SETTING: All 50 US states. PARTICIPANTS: A total of 2421 nonprofit short-term acute care hospital organizations that filled an internal revenue service Form 990 and Schedule H for calendar during years 2009-2015. RESULTS: Between 2009 and 2015, short-term acute care hospitals spent an average of $46 billion per year in total, or $20 million per hospital on community benefit activities. Exposure to a state-level community benefit law of any type was associated with an $8.42 (95% confidence interval: 1.20-15.64) per $1000 of total operating expense greater community benefit spending. Spending amounts and patterns varied on the basis of the type of community benefit law and hospital urbanicity. CONCLUSIONS: State laws are associated with nonprofit hospital community benefit spending. Policy makers can use community benefit laws to increase nonprofit hospital engagement with public health.

Urban-Rural Differences in Service Utilization and Costs of Care for Racial-Ethnic Groups Hospitalized With Poststroke Aphasia.

OBJECTIVE: Although residence is a key contributor to cost and utilization in stroke patient care, its contribution to the care of persons with aphasia (PWA) is unknown. The objective of this study was to use discharge-level hospital inpatient data to examine the influence of patient residence (rural vs urban) and race-ethnicity on service utilization and cost of care among PWA. DESIGN: Cross-sectional. SETTING: Administrative data from acute care hospitals in the state of North Carolina. PARTICIPANTS: Individuals (N=4381) with poststroke aphasia. INTERVENTIONS: N/A. MAIN OUTCOME MEASURES: Length of stay (LOS), speech-language pathology (SLP) service utilization, costs of care. METHODS: The 2011-2012 Healthcare Cost and Utilization Project State Inpatient Database data were analyzed to examine the effect of rural or urban residence on LOS, SLP service utilization, as well as total inpatient and SLP service costs. These outcomes were further analyzed across both residence and racial groups (non-Hispanic white and non-Hispanic black). Outcomes were analyzed using generalized linear model. RESULTS: Both rural and urban black PWA experienced longer average LOS after controlling for demographics, illness severity, and the hospital where they received care. Rural blacks experienced longer LOS, received greater SLP services, and incurred greater average total hospital costs than their rural white counterparts after adjusting for differences in their demographics and stroke or illness severity. The differences were attenuated after controlling for the hospital where they received care. CONCLUSIONS: For PWA, race-ethnicity has a larger effect on average total medical costs, SLP service utilization, and LOS than residence. It is unclear how and why blacks with aphasia have greater service utilization and costs in acute care, yet their aphasia outcomes are worse. Future studies are required to explore potential factors such as quality of care.

College students with congenital heart disease: A critical time for transition.

As medical and surgical advances improve, more young adults with congenital heart disease (CHD) are attending college. This case study illustrates some of the issues that these young adults may face as they attend college and discusses the role that college health practitioners can play in easing that transition. PARTICIPANTS: A case of a male with CHD presenting to the college health clinic with a new onset headache. METHODS: The authors discuss some of the unique challenges that college health practitioners may face when caring for students with CHD. In addition, they make recommendations on how best to care for these patients and how best to coordinate care with CHD students other care providers. RESULTS: This student with a history of coarctation of the aorta presented with new onset headaches and was found to have high blood pressure. He was diagnosed with recurrent coarctation, underwent percutaneous treatment with stenting and quickly resumed classes. CONCLUSIONS: As more students with CHD enter college, college health providers will need to understand some of the health risks that CHD students face. In addition, understanding some of the optimal ways to coordinate care with CHD providers can ease the transition that CHD students face as they enter college.

Understanding The Relationship Between Medicaid Expansions And Hospital Closures.

Decisions by states about whether to expand Medicaid under the Affordable Care Act (ACA) have implications for hospitals' financial health. We hypothesized that Medicaid expansion of eligibility for childless adults prevents hospital closures because increased Medicaid coverage for previously uninsured people reduces uncompensated care expenditures and strengthens hospitals' financial position. We tested this hypothesis using data for the period 2008-16 on hospital closures and financial performance. We found that the ACA's Medicaid expansion was associated with improved hospital financial performance and substantially lower likelihoods of closure, especially in rural markets and counties with large numbers of uninsured adults before Medicaid expansion. Future congressional efforts to reform Medicaid policy should consider the strong relationship between Medicaid coverage levels and the financial viability of hospitals. Our results imply that reverting to pre-ACA eligibility levels would lead to particularly large increases in rural hospital closures. Such closures could lead to reduced access to care and a loss of highly skilled jobs, which could have detrimental impacts on local economies.

Coordination Program Reduced Acute Care Use And Increased Primary Care Visits Among Frequent Emergency Care Users.

Many high utilizers of the emergency department (ED) have public insurance, especially through Medicaid. We evaluated how participation in Bridges to Care (B2C)-an ED-initiated, multidisciplinary, community-based program-affected subsequent ED use, hospital admissions, and primary care use among publicly insured or Medicaid-eligible high ED utilizers. During the six months after the B2C intervention was completed, participants had significantly fewer ED visits (a reduction of 27.9 percent) and significantly more primary care visits (an increase of 114.0 percent), compared to patients in the control group. In a subanalysis of patients with mental health comorbidities, we found that recipients of B2C services had significantly fewer ED visits (a reduction of 29.7 percent) and hospitalizations (30.0 percent), and significantly more primary care visits (an increase of 123.2 percent), again compared to patients in the control group. The B2C program reduced acute care use and increased the number of primary care visits among high ED utilizers, including those with mental health comorbidities.

Greater healthcare utilization and costs among Black persons compared to White persons with aphasia in the North Carolina stroke belt.

PURPOSE: To examine racial differences in healthcare utilization and costs for persons with aphasia (PWA) being treated in acute care hospitals in North Carolina (NC). METHODS: NC Healthcare Cost and Utilization Project State Inpatient Database (HCUP-SID) data from 2011-2012 were analyzed to examine healthcare utilization and costs of care for stroke patients with aphasia. Analyses emphasized length of stay, charges and cost of general hospital services. Generalized linear models (GLM) were constructed to determine the impact of demographic characteristics, stroke/illness severity, and observed hospital characteristics on utilization and costs. Hospital fixed effects were included to yield within-hospital estimates of disparities. RESULTS: GLM models demonstrated that Blacks with aphasia experienced 1.9days longer lengths of stay compared to Whites with aphasia after controlling for demographic characteristics, 1.4days controlling for stroke/illness severity, 1.2days controlling for observed hospital characteristics, and ~1 extra day controlling for unobserved hospital characteristics. Similarly, Blacks accrued ~$2047 greater total costs compared to Whites after controlling for demographic characteristics, $1659 controlling for stroke/illness severity, $1338 controlling for observed hospital characteristics, and ~$1311 greater total costs after controlling for unobserved hospital characteristics. CONCLUSIONS: In the acute hospital setting, Blacks with aphasia utilize greater hospital services during longer hospitalizations and at substantially higher costs in the state of NC. A substantial portion of the adjusted difference was related to the hospital treating the patient. However, even after controlling for the hospital, the differences remained clinically and statistically significant.

Ignition Interlock Laws: Effects on Fatal Motor Vehicle Crashes, 1982-2013.

INTRODUCTION: Alcohol-involved motor vehicle crashes are a major cause of preventable mortality in the U.S., leading to more than 10,000 fatalities in 2013. Ignition interlocks, or alcohol-sensing devices connected to a vehicle's ignition to prevent it from starting if a driver has a predetermined blood alcohol content (BAC) level, are a promising avenue for preventing alcohol-involved driving. This study sought to assess the effects of laws requiring ignition interlocks for some or all drunk driving offenders on alcohol-involved fatal crashes. METHODS: A multilevel modeling approach assessed the effects of state interlock laws on alcohol-involved fatal crashes in the U.S. from 1982 to 2013. Monthly data on alcohol-involved crashes in each of the 50 states was collected in 2014 from the National Highway Traffic Safety Administration Fatality Analysis Reporting System. Random-intercept models accounted for between-state variation in alcohol-involved fatal crash rates and autocorrelation of within-state crash rates over time. Analysis was conducted in 2015. RESULTS: State laws requiring interlocks for all drunk driving offenders were associated with a 7% decrease in the rate of BAC >0.08 fatal crashes and an 8% decrease in the rate of BAC ≥0.15 fatal crashes, translating into an estimated 1,250 prevented BAC >0.08 fatal crashes. Laws requiring interlocks for segments of high-risk drunk driving offenders, such as repeat offenders, may reduce alcohol-involved fatal crashes after 2 years of implementation. CONCLUSIONS: Ignition interlock laws reduce alcohol-involved fatal crashes. Increasing the spread of interlock laws that are mandatory for all offenders would have significant public health benefit.