The scattering functions of ideal tri-functional comb and dendrimer polymers.

The scattering functions of nine generations of ideal tri-functional comb and dendrimer polymers are computed by novel graph techniques. The properties of polymers having from 9 to 3069 branches are explored. The g-ratios and the scattering functions indicate that as the number of branches increases, comb polymers behave more and more like linear polymers with half the number of branches, whereas dendrimers become more like spherical objects.

Testing dental quality measures: Emergency department visits for nontraumatic dental conditions and subsequent follow-up dental visits.

BACKGROUND: The goal of this study was to test the feasibility, reliability, and validity of the Dental Quality Alliance's adult dental quality measures for system-level implementation for ambulatory care sensitive (ACS) emergency department (ED) visits for nontraumatic dental conditions (NTDCs) in adults and follow-up after ED visits for NTDCs in adults. METHODS: Medicaid enrollment and claims data from Oregon and Iowa were used for measure testing. Testing included validation of diagnosis codes in claims data through patient record reviews of ED visits and calculations of κ statistic, sensitivity, and specificity. RESULTS: Adult Medicaid enrollees' ACS NTDC ED visits ranged from 209 through 310 per 100,000 member-months. In both states, patients in the age category 25 through 34 years and non-Hispanic Black patients had the highest rates of ACS ED visits for NTDCs. Only one-third of all ED visits were associated with a follow-up dental visit within 30 days, decreasing to approximately one-fifth with a 7-day follow-up. The agreement between the claims data and patient records for identification of ACS ED visits for NTDCs was 93%, κ statistic was 0.85, sensitivity was 92%, and specificity was 94%. CONCLUSIONS: Testing revealed the feasibility, reliability, and validity of 2 DQA quality measures. Most beneficiaries did not have a follow-up with a dentist within 30 days of an ED visit. PRACTICAL IMPLICATIONS: Adoption of quality measures by state Medicaid programs and other integrated care systems will enable active tracking of beneficiaries with ED visits for NTDCs and develop strategies to connect them to dental homes.

Rural-urban prescribing patterns by primary care and behavioral health providers in older adults with serious mental illness.

BACKGROUND: Older adults with serious mental illness (SMI) often have multiple comorbidities and complex medication schedules. Shortages of behavioral health specialists (BHSs), especially in rural areas, frequently make primary care providers (PCPs) the only clinician managing this complex population. The aim of this study was to describe rural/urban psychiatric medication prescribing in older adults with SMI by PCPs and BHSs, and by clinician type. METHODS: This retrospective descriptive analysis used 2018 Medicare data to identify individuals with a bipolar, major depression, schizophrenia, or psychosis diagnosis and examined medication claims for antianxiety, antidepressants, antipsychotics, hypnotics, and anticonvulsants. Descriptive statistics summarized percentage of medications provided by PCPs and BHSs stratified by rural and urban areas and by drug class. Additional analyses compared psychiatric prescribing patterns by physicians, advanced practice registered nurses (APRNs), and physician assistants (PAs). RESULTS: In urban areas, PCPs prescribed at least 50% of each psychiatric medication class, except antipsychotics, which was 45.2%. BHSs prescribed 40.7% of antipsychotics and less than 25% of all other classes. In rural areas, percentages of psychiatric medications from PCPs were over 70% for each medication class, except antipsychotics, which was 60.1%. Primary care physicians provided most psychiatric medications, between 36%-57% in urban areas and 47%-65% in rural areas. Primary care APRNs provided up to 13% of prescriptions in rural areas, which was more than the amount prescribed by BHS physicians, expect for antipsychotics. Psychiatric mental health APRNs provided up to 7.5% of antipsychotics in rural areas, but their prescribing contribution among other classes ranged between 1.1%-3.6%. PAs provided 2.5%-3.4% of medications in urban areas and this increased to 3.9%-5.1% in rural areas. CONCLUSIONS: Results highlight the extensive roles of PCPs, including APRNs, in managing psychiatric medications for older adults with SMI.

Practice patterns of postgraduate trained dentists in the United States.

OBJECTIVE: Postgraduate dental (PGD) primary care training has grown significantly. This study examines the individual, educational, community, and policy factors that predict practice patterns of PGD-trained dentists. STUDY DESIGN: Individual dentist records from the 2017 American Dental Association Masterfile, with indicators of Medicaid participation and practice in a Federally Qualified Health Center (FQHC), were linked to postdoctoral training, community/practice location, and state policy factors. Generalized logistic models, adjusted for these factors, were used to predict PGD-trained dentists: (1a) serving Medicaid children, (1b) accepting new Medicaid patients, and (2) working in an FQHC. RESULTS: Individual attributes that predicted serving Medicaid children included all race/gender combinations (vs. White females), and foreign-trained dentists and contractors/employees/associates (vs. practice owners). Black women are most likely to work in an FQHC. Residency attributes that predicted serving Medicaid children and working in an FQHC were Health Resources and Services Administration postdoctoral funding and being community based. Dentists practicing in rural or high-poverty communities were more likely to serve Medicaid children and work at FQHCs. States with higher levels of graduate medical education investment, higher Medicaid rates, and more generous adult dental Medicaid benefits increased the likelihood of serving Medicaid children, while states with more expansive adult dental Medicaid benefits increased the likelihood of working in an FQHC. CONCLUSION: Federal training investment in PGD education combined with Medicaid payment and coverage policies can strongly impact access to dental care for vulnerable populations. Yet, oral health equity cannot be achieved without increasing dentist workforce diversity.

Trends in postgraduate dental training in the United States.

OBJECTIVE: This study examines the individual, educational, and policy factors that predict dentists pursuing postgraduate dental (PGD) training. METHODS: Individual dentist records from the 2017 American Dental Association Masterfile were linked with pre-doctoral training attributes and state-level dental policy factors. Generalized logistic models, adjusted for individual, educational, and policy factors, were used to predict: (1) attending any PGD program, and (2) primary (i.e., advanced general practice, pediatrics, or dental public health, per the Health Resources and Services Administration [HRSA]) versus specialty care. RESULTS: The majority of new PGD residency slots (77%) were in primary care. Women held 56% of primary care slots; men held 62% of specialty slots. Individual characteristics that predicted PGD primary care training included being Black, Hispanic, Asian, or other race; being male or older age reduced the odds. Pre-doctoral school characteristics that predicted PGD primary care training included having a pre-doctoral HRSA grant, affiliation with an academic medical center, and being a historically Black college/university; being a private school or in a small metro area lowered the odds. At the policy level, the strongest predictors of attending PGD primary care training are a residency requirement in the state you currently practice in and federal graduate medical education (GME) investment per residency slot. CONCLUSION: Pursuing PGD training is variable based on the race/ethnicity/gender of the dentist. Federal investments in pre-doctoral dental education and GME can drive equity, as they significantly increase the odds that dentists will go on to PGD training, as do state licensure requirements.

American Indian/Alaska Native, Black, and Hispanic dentists' experiences of discrimination.

OBJECTIVE: Little is known about the scope and role of discriminatory experiences in dentistry. The purpose of this study is to document the experiences that American Indian/Alaska Native (AI/AN), Black, and Hispanic dentists have had with discrimination. METHODS: This study reports data from a 2012 nationally representative study of dentists documenting experiences with discrimination during their dental careers or during dental school by the setting of the discrimination, the providers' education, and geographic location. This study does not differentiate between levels of discrimination and focuses holisticly on the experience of any discrimination. RESULTS: Seventy-two percent of surveyed dentists reported any experience with discrimination in a dental setting. The experiences varied by race/ethnicity, with 49% of AI/AN, 86% Black, and 59% of Hispanic dentists reporting any discriminatory experiences. Racial/ethnic discrimination was reported two times greater than any other type. CONCLUSIONS: Experiences with racial/ethnic discrimination are prevalent among AI/AN, Black, and Hispanic dentists, suggesting that as a profession work is needed to end discrimination and foster belonging.

Slipping through the cracks: Just how underrepresented are minorities within the dental specialties?

OBJECTIVE: There is a lack of diversity in the dental workforce. Efforts to enhance underrepresented minority (URM) recruitment and retention within dental school exist, but little effort has been made to track URM providers through education and practice. This study assesses the status of workforce diversity in the dental specialties and the predictors of URM dentist specialization. METHODS: The primary data used were a 2012 national sample survey of Hispanic/Latino (H/L), Black, or American Indian/Alaska Native (AI/AN) dentists in the US, supplemented by publicly available workforce data. Descriptive and multivariate statistical analyses were performed to describe the demographic composition of URM clinical general and specialist dentists and analyze changes in proportions of URMs specializing among age cohorts, differences in specific type of specialization, and racial concordance between specialists and their patients. RESULTS: The pathway continues to winnow with fewer URM dentists in specialty practice. Among all URM clinical dentists being first in his/her family to obtain a college degree, having a strong desire to work in his/her own cultural community or joining a loan repayment program due to debt load independently predicted lower odds of specialization. Alternatively, being initially foreign trained as a dentist and valuing professional training were independently predictive of higher odds of specialization. CONCLUSION: The lack of diversity within the dental specialties is a critical flaw in our education and care delivery systems demanding clear actions toward improving the pathway into residency programs for URM students.

A longitudinal cohort study of opioid prescriptions associated with nonsurgical dental visits among Oregon and New York state Medicaid beneficiaries, 2014-2016.

BACKGROUND: Studies estimate that approximately one-third of all opioid prescriptions (Rxs) from dentists are associated with nonsurgical dental procedures, which suggests unwarranted opioid use. METHODS: The authors conducted a retrospective longitudinal cohort study of adult Medicaid beneficiaries using administrative claims data from New York (NY) and Oregon (OR) (2014-2016) to examine opioid Rxs associated with nonsurgical dental visits. The primary outcomes were the number of all opioid Rxs from dentists compared with nondentists, number of opioid Rxs associated with surgical and nonsurgical dental visits, time to subsequent dental visits and visit type, and total dental morphine milligram equivalents (MMEs) received during the 90 days after an opioid-related, nonsurgical dental visit. RESULTS: Dentists prescribed 6.9% (NY) and 11.9% (OR) of all opioid Rxs during the 3-year study period. One-third of all opioid-related dental visits were nonsurgical and one-half of the subsequent dental visits were either nonsurgical or did not occur within 90 days. Mean time to a subsequent dental visit was 3 weeks. Beneficiaries with a surgical dental follow-up visit received significantly higher total MMEs (NY: 1.19 MMEs; OR: 1.21 MMEs; P < .001) for each additional day before the follow-up visit compared with nonsurgical dental follow-up visits. CONCLUSIONS: Medicaid beneficiaries might be exposed to unnecessary opioid Rxs in situations in which they may not be indicated or effective and without a plan for more definitive treatment. PRACTICAL IMPLICATIONS: Dentists need to avoid delays in scheduling definitive treatment and take appropriate steps to monitor prescribed opioid use to reduce the well-known risks associated with undue or prolonged opioid exposure.

Assessing the Job Satisfaction of Registered Nurses Using Sentiment Analysis and Clustering Analysis.

Job satisfaction is a critical component of the professional work environment and is often ascertained through surveys that include structured or open-ended questions. Using data from 24,543 respondents to California Board of Registered Nursing biennial surveys, this study examines the job satisfaction of registered nurses (RNs) by applying clustering analysis to structured job satisfaction items and sentiment analysis to free-text comments. The clustering analysis identified three job satisfaction groups (low, medium, and high satisfaction). Sentiment analysis scores were significantly associated with the job satisfaction groups in both bivariate and multivariate analyses. Differences between the job satisfaction clusters were mostly driven by satisfaction with workload, adequacy of the clerical support services, adequacy of the number of RN staff, and skills of RN colleagues. In addition, there was dispersion in satisfaction related to involvement in management and policy decisions, recognition for a job well done, and opportunities for professional development.

Racial Disparities in Financial Security, Work and Leisure Activities, and Quality of Life Among the Direct Care Workforce.

BACKGROUND AND OBJECTIVES: Personal care, home health, and nursing aides provide the majority of care to chronically ill and disabled older adults. This workforce faces challenging working conditions, resulting in high turnover and workforce instability that affect the quality of care for older adults. We examine financial security, work-life balance, and quality of life of Black, Hispanic, and workers of other race/ethnicity compared to White workers. RESEARCH DESIGN AND METHODS: We hypothesize that Black and Hispanic workers experience greater financial insecurity, spend more time on work-related activities and have less time available for leisure activities, and have a lower quality of life compared to White workers. To test these hypotheses, we analyze the American Time Use Survey using descriptive analyses and multivariable and compositional regression. RESULTS: Black and Hispanic individuals were 2-3 times more likely to live in poverty than White individuals. The time use analysis indicated that Black and Hispanic workers spent more time on work-related activities and less time on nonwork-related activities, including longer work commutes and less time exercising. In analyses of aggregated paid/unpaid work and leisure, Black workers were the only group that spent significantly more time working and less time on leisure activities compared to White workers. This may explain the lower quality of life that we only observed in Black workers. DISCUSSION AND IMPLICATIONS: Racial/ethnic disparities in well-being among direct care workers may affect the care older adults receive and contribute to widening inequities in this workforce and society. Policymakers should direct efforts toward securing funding for workers, incentivizing employer provisions, and implementing racial equity approaches.

Financial Vulnerability and Worker Well-Being: A Comparison of Long-Term Services and Supports Workers With Other Health Workers.

Over 1.5 million new jobs need to be filled by 2026 for medical assistants, nursing aides, and home care aides, many of which will work in the long-term services and supports (LTSS) sector. Using 16 years of data from the American Time Use Survey, we examined the financial vulnerability of high-skill and low-skill LTSS workers in comparison with other health care workers, while providing insight into their well-being by measuring time spent on work and nonwork activities. We found that, regardless of skill status, working in LTSS was associated with lower wages and an increased likelihood of experiencing poverty compared with other health care workers. Results from time diary data indicated that the LTSS workforce spent a greater share of their time working and commuting to work. Low-skill LTSS workers were hardest hit, spending more time on paid and unpaid activities, such as household and child care responsibilities.

Opioid-prescribing Outcomes of Medicare Beneficiaries Managed by Nurse Practitioners and Physicians.

BACKGROUND: Primary care providers are at the center of the opioid epidemic. Whether nurse practitioners (NPs) have different opioid-prescribing outcomes from physicians is not known. OBJECTIVE: To examine opioid-prescribing outcomes of Medicare beneficiaries receiving care from NPs and physicians in primary care. RESEARCH DESIGN: We used Medicare data from 2009 to 2013 and a propensity score-weighted analysis. SUBJECTS: Beneficiaries residing in states in which NPs are able to prescribe controlled substances without physician oversight and who did not have a cancer diagnosis, hospice care, or end-stage renal disease. MEASURES: First, we measured whether beneficiaries received any opioid prescription. Second, for beneficiaries who received opioids, we measured acute (<90 d supply) and chronic (≥90 d supply) use at baseline (2009-2010) and follow-up (2012-2013). Third, we measured potential misuse of opioid prescribing using a daily morphine milligram equivalent dose of >100 mg, overlapping prescriptions of opioids >7 days, and overlapping prescriptions of opioids with benzodiazepines >7 days. RESULTS: Beneficiaries managed by NPs were less likely to receive an opioid [odds ratio (OR), 0.87; P<0.001], were less likely to be acute users at baseline (OR, 0.84; P<0.001), and were more likely to receive a high daily opioid dose of morphine milligram equivalent >100 mg compared with physician-managed beneficiaries (OR, 1.11; P=0.048). CONCLUSIONS: Findings suggest educational programs and clinical guidelines may require approaches tailored to different providers. Future research should examine the contributing factors of these patterns to ensure high-quality pain management and guide policy makers on NP-controlled substance-prescribing regulations.

Opioid prescribing patterns after dental visits among beneficiaries of Medicaid in Washington state in 2014 and 2015.

BACKGROUND: Dentists contribute to the prevailing opioid epidemic in the United States. Concerning the population enrolled in Medicaid, little is known about dentists' opioid prescribing. METHODS: The authors performed a retrospective cohort study of beneficiaries of Medicaid in Washington state with dental claims in 2014 and 2015. The primary outcome was the proportion of dental visits associated with an opioid prescription. The authors categorized visits as invasive or noninvasive by using procedure codes and each beneficiary as being at low or high risk by using his or her prescription history from the prescription drug monitoring program. RESULTS: A total of 126,660 (10.3%) of all dental visits, most of which were invasive (66.9%), among the population enrolled in Medicaid in Washington state was associated with opioid prescriptions. However, noninvasive dental visits and visits for beneficiaries who had prior high-risk prescription use were associated with significantly higher mean days' supply and mean quantity of opioids prescribed. Results from the multivariate logistic regression showed that the probability of having an opioid-associated visit increased by 35.6 percentage points when the procedures were invasive and by 11.1 percentage points when the beneficiary had prior high-risk prescription use. CONCLUSIONS: This baseline of opioid prescribing patterns after dental visits among the population enrolled in Medicaid in Washington state in 2014 and 2015 can inform future studies in which the investigators examine the effect of policies on opioid prescribing patterns and reasons for the variability in the dosage and duration of opioid prescriptions associated with noninvasive visits. PRACTICAL IMPLICATIONS: Dentists must exercise caution when prescribing opioids during invasive visits and to patients with prior high-risk prescription use.

Social and Political Factors Associated With State-Level Legalization of Cannabis in the United States.

Thirty-three U.S. states and the District of Columbia (DC) have legalized the use of marijuana for medicinal purposes and 10 states and DC have legalized marijuana for adult recreational use. This mirrors an international trend toward relaxing restrictions on marijuana. This paper analyzes patterns in marijuana laws across U.S. states to shed light on the social and political forces behind the liberalization of marijuana policy following a long era of conservatism. Data on U.S. state-level demographics, economic conditions, and cultural and political characteristics are analyzed, as well as establishment of and levels of support for other drug and social policies, to determine whether there are patterns between states that have liberalized marijuana policy versus those that have not. Laws decriminalizing marijuana possession, as well as those authorizing its sale for medical and recreational use, follow the same pattern of diffusion. The analysis points to underlying patterns of demographic, cultural, economic, and political variation linked to marijuana policy liberalization in the U.S. context, which deserve further examination internationally.