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PURPOSE/AIM: Improve content validity of the Ageism Scale for Dental Students (ASDS) and identify barriers to using the scale. METHODS: Thematic analysis of transcripts of three purposively sampled focus groups of 1) geriatric dentistry specialists, 2) older adult dental patients, and 3) dental students. RESULTS: Twenty-five participants engaged in focus groups. No new concepts to define ageism were identified. Experts found the scale acceptable and appropriate, yet they raised specific potential revisions to scale questions. Commonly reported themes already addressed by ASDS included the importance of tailoring decision-making to patient preference and not making assumptions about older adults' capacity or preferences for dental care. Barriers to identifying ageism or using the scale included experiential differences in interpreting scale items, cultural differences in attitudes towards older adults, and potential overlap with social determinants of health. Secondary findings include recommendations for older-adult focused training for dental students to provide positive, concrete guidance on caring for older adults. CONCLUSION: There are opportunities to refine the Ageism Scale for Dental Students and to allow tailoring of the scale for specific national or cultural contexts.
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Ageísmo , Grupos Focales , Estudiantes de Odontología , Humanos , Estudiantes de Odontología/psicología , Masculino , Femenino , Adulto , Anciano , Cuidado Dental para Ancianos , Reproducibilidad de los Resultados , Persona de Mediana Edad , Actitud del Personal de SaludRESUMEN
Patients suffering from post-acute sequelae of COVID-19 (PASC) have a higher prevalence of anxiety and depression than the general population. The long-term trajectory of these sequelae is still unfolding. To assess the burden of anxiety and depression among patients presenting to the University of Iowa Hospitals and Clinics (UIHC) post-COVID-19 clinic, we analyzed how patient factors influenced Generalized Anxiety Disorder-7 (GAD-7) and Patient Health Questionnaire-9 (PHQ-9) scores. In this retrospective cohort study, the GAD-7 and PHQ-9 questionnaire scores of patients presenting to the UIHC post-COVID clinic between March 2021-February 2022 (N = 455) were compared to the scores of a sample of patients presenting to the general internal medicine (GIM) clinic during the same period (N = 94). Our analysis showed that patients with an absent history of depression on their electronic medical record (EMR) problem list scored significantly higher on the GAD-7 (mean difference -1.62, 95% CI -3.12 to -0.12, p = 0.034) and PHQ-9 (mean difference -4.45, 95% CI -5.53 to -3.37, p < 0.001) questionnaires compared to their similar counterparts in the GIM clinic. On the other hand, patients with an absent history of anxiety on their EMR problem list scored significantly higher on the GAD-7 (mean difference -2.90, 95% CI -4.0 to -1.80, p < 0.001) but not on the PHQ-9 questionnaire (p = 0.196). Overall, patients with PASC may have experienced a heavier burden of newly manifest anxiety and depression symptoms compared to patients seen in the GIM clinic. This suggests that the mental health impacts of PASC may be more pronounced in patients with no prior history of anxiety or depression.
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The clinical research units (CRUs) are one of the main spaces where both translational research and science take place. However, there is a lack of information about both best practices for CRU operations and, ultimately, benchmarks to evaluate CRU performance. The Research Unit Network (RUN) was created with the purpose to enable direct communication and collaboration among CRUs. An online survey was administered to further illustrate the functionality and impact of RUN. Thirty-one individual survey responses (39.2%) were included in the final analysis. The members value RUN monthly meetings (87.1%) as the most useful aspect of this network and CRU budgeting (67.7%) and staffing (61.3%) were the most relevant topics discussed. This is followed by EPIC - Research (58.1%), delegation of authority logs, unit signatures, and policies (51.6%), COVID-19 pandemic response (41.9%), the implementation of clinical trial management system (29.0%), and protocol deviations (19.4%). The intermediate goal of RUN is to identify best practices CRUs are establishing, implementing, and sharing these experiences with the goal to adopt them in different CRUs. The network's long-term goal is to establish standard benchmarks that can be used for evaluating the performance of CRUs across the nation.
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Post-acute sequelae of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (PASC) is a complex condition with multisystem involvement. We assessed patients' experience with a PASC clinic established at University of Iowa in June 2020. A survey was electronically mailed in June 2021 asking about (1) symptoms and their impact on functional domains using the Patient-Reported Outcomes Measurement Information System (PROMIS) measures (Global Health and Cognitive Function Abilities) (2) satisfaction with clinic services, referrals, barriers to care, and recommended support resources. Survey completion rate was 35% (97/277). Majority were women (67%), Caucasian (93%), and were not hospitalized (76%) during acute COVID-19. As many as 50% reported wait time between 1 and 3 months, 40% traveled >1â h for an appointment and referred to various subspecialities. Participants reported high symptom burden-fatigue (77%), "brain fog" (73%), exercise intolerance (73%), anxiety (63%), sleep difficulties (56%) and depression (44%). On PROMIS measures, some patients scored significantly low (≥1.5 SD below mean) in physical (22.7%), mental (15.9%), and cognitive (17.6%) domains. Approximately 61% to 93% of participants were satisfied with clinical services. Qualitative analysis added insight to their experience with healthcare. Participants suggested potential strategies for optimizing recovery, including continuity of care, a co-located multispecialty clinic, and receiving timely information from emerging research. Participants appreciated that physicians validated their symptoms and provided continuity of care and access to specialists.
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OBJECTIVES: Little is known about medical students' attitudes regarding the healthy lifestyle habits they are taught to recommend to patients and whether they believe they have a professional responsibility to live a healthy lifestyle. Understanding students' attitudes and practices regarding healthy lifestyles may provide insights into the personal and professional challenges that students face as they navigate the ethical tension between obligations to care for others (altruism) and for themselves (self-care). METHODS: The authors conducted a cross-sectional, anonymous, online survey of all medical students at the University of Iowa Carver College of Medicine in fall 2019, using descriptive statistics for analysis. RESULTS: A total of 351 students participated (response rate, 52.0%). Most agreed that physicians (85.5%) and medical students (77.8%) have a responsibility to try to live a healthy lifestyle; that physicians who practice healthy behaviors are more confident in counseling patients (94.0%), more likely to counsel patients (88.3%), and more likely to have their advice followed (86.9%); that as students they are more likely to counsel patients if they practice the healthy behavior (90.0%); and that their medical school workload resulted in exercise (69.7%), sleeping (69.4%), and eating (60.2%) practices that were less healthy than they should be. CONCLUSIONS: Most medical students support the professional responsibility to live a healthy lifestyle and believe doing so increases their effectiveness in counseling patients about healthy lifestyle habits. The medical school workload may limit some students' ability to live healthy lifestyles, however. Medical students need educational opportunities in ethics and professionalism to discuss challenges and expectations for living healthy lifestyles, with an eye toward practical approaches to living the life of a medical student that are professionally responsible and personally realistic.
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Estilo de Vida Saludable , Autocuidado/ética , Estudiantes de Medicina/psicología , Actitud del Personal de Salud , Estudios Transversales , Educación Médica/métodos , Educación Médica/normas , Educación Médica/estadística & datos numéricos , Humanos , Motivación , Autocuidado/psicología , Autocuidado/estadística & datos numéricos , Estudiantes de Medicina/estadística & datos numéricos , Encuestas y CuestionariosRESUMEN
Few studies have explored the challenges that the COVID-19 pandemic has presented for Clinical Research Units (CRUs), the solutions that have been implemented, and the changes that have been made in the operational guidelines for these entities. This study sought to identify and document common practices implemented by CRUs around the United States of America (USA) when addressing the unique challenges posed by the COVID-19 pandemic. This descriptive study utilized a non-experimental mixed-methods approach and gathered data from representatives of 43 CRUs across the USA. An online survey was followed by in-depth interviews. The findings show that challenges faced from the COVID-19 pandemic, changes made to daily operations, and lessons learned are very similar across CRUs. Although most CRUs never stopped performing essential clinical research, many adapted to the pandemic by engaging in virtual visits, and many played key roles in administering and supporting both COVID-19 therapeutic and vaccine trials. Follow-up interviews showed that processes for formal approval and reopening were similar across CRUs. In addition to highlighting the significance of the role played by CRUs during the COVID-19 pandemic, this study addresses the relevance of CRUs and lays the groundwork for future conversations on the importance of these units.
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Although self-assessment is a lifelong skill practiced in predoctoral training, the utility of this mechanism is seldom linked to competencies that encompass the broad range of skill sets and roles of an academic dentist. Literature defining faculty competencies and/or roles in medical and dental education is limited in scope focusing primarily on teaching and research. Identifying the broad spectrum of dental faculty skill sets and connecting them to self-assessment and professional development needs to be explored. Furthermore, a mechanism that can serve as a professional roadmap with identified areas to develop and catapult faculty into a self-reflection growth process is lacking in dental academia. The purpose of this study was to define the broad spectrum of competencies, or skill sets of an academic dentist and develop a faculty self-assessment tool grounded in self-regulation theory to help faculty track and plan professional growth. A mixed-methods approach including a faculty focus group was used to refine and verify the relevance of pre-defined faculty roles and skill sets. A self-assessment instrument was then developed with 31 broad skills and two scales that ascertained faculty interest in developing and development stage for each skill set. The intended utility of the self-assessment tool is to provide an introspective mechanism to obtain specific information about a wide range of faculty professional growth areas beyond teaching and research. The instrument can also be used to facilitate mentoring and may have implications for determining faculty development programming.
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Docentes de Odontología , Tutoría , Docentes Médicos , Humanos , Mentores , Autoevaluación (Psicología)RESUMEN
Introduction: Patients are the most common source of gender-based harassment of resident physicians, yet residents receive little training on how to handle it. Few resources exist for residents wishing to address patient-initiated verbal sexual harassment themselves. Methods: We developed, taught, and evaluated a 50-minute workshop to prepare residents and faculty to respond to patient-initiated verbal sexual harassment toward themselves and others. The workshop used an interactive lecture and role-play scenarios to teach a tool kit of communication strategies for responding to harassment. Participants completed retrospective pre-post surveys on their ability to meet the learning objectives and their preparedness to respond. Results: Ninety-one participants (57 trainees, 34 faculty) completed surveys at one of five workshop sessions across multiple departments. Before the workshop, two-thirds (67%) had experienced patient-initiated sexual harassment, and only 28 out of 59 (48%) had ever addressed it. Seventy-five percent of participants had never received training on responding to patient-initiated sexual harassment. After the workshop, participants reported significant improvement in their preparedness to recognize and respond to all forms of patient-initiated verbal sexual harassment (p < .01), with the greatest improvements noted in responding to mild forms of verbal sexual harassment, such as comments on appearance or attractiveness or inappropriate jokes (p < .01). Discussion: This workshop fills a void by preparing residents and faculty to respond to verbal sexual harassment from patients that is not directly observed. Role-play and rehearsal of an individualized response script significantly improved participants' preparedness to respond to harassment toward themselves and others.
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Acoso Sexual , Docentes , Humanos , Aprendizaje , Estudios Retrospectivos , Encuestas y CuestionariosRESUMEN
INTRODUCTION: This study aimed to perform a preliminary validation of the Dental Clinical Learning Environment Instrument (DECLEI) in a Brazilian dental school. MATERIAL AND METHODS: Dental Clinical Learning Environment Instrument was translated into Brazilian-Portuguese, and Brazilian DECLEI's items relevance and content validity were assessed using the content validity index (CVI). DECLEI was then distributed to 155 Brazilian undergraduate dental students attending the 7th and 8th semester of dental studies. Principal Component Analysis (PCA) was used as an initial exploration of the Brazilian DECLEI's internal structure. Item-total correlations for the remaining items were calculated to identify items with poor discrimination coefficients. The internal consistency reliability for the final set of 17 items was calculated using Cronbach's alpha coefficient. The sensitivity of the instrument to measure differences between groups regarding year in dental school, race and sex was also assessed. RESULTS: The CVI was ≥0.80 for all 24 items of the Brazilian DECLEI indicating that all items were relevant to the local culture. Principal Components Analysis (PCA) provided evidence of a single dominant component containing 17 items (Cronbach's α = .86), and all 17 items met the benchmark of acceptable item-total correlation. Significant differences were found only when comparing 7th- and 8th-semester students. CONCLUSIONS: Dental Clinical Learning Environment Instrument has the potential to be used as a reliable instrument to measure clinical learning environments for Brazilian dental students.
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Facultades de Odontología , Estudiantes de Odontología , Brasil , Educación en Odontología , Humanos , Psicometría , Reproducibilidad de los Resultados , Encuestas y CuestionariosRESUMEN
PURPOSES/OBJECTIVES: Few tools assess the dental school clinical learning environment from students' perspectives. Considering previous efforts to validate the Dental Education Clinical Learning Instrument (DECLEI) in the United States, the goal of this study was to look for the fewest number of items that accounted for the most amount of variability in responses and/or had the highest correlation to the total DECLEI score using a larger, multi-center sample. METHODS: The DECLEI was distributed to 286 students in two dental schools (University of Iowa and University of Texas at Houston) during the 2017-2018 academic year. Two alternative methods were applied. In the first approach, all 24-items were regressed on the total composite score using a forward conditional method. In the second approach, the item-total correlation for the full scale was calculated and then items with relatively poor coefficients were eliminated. A cutoff of 0.30 or less was used. RESULTS: The first approach, Total R2 by Regression Model, produced a 9-item scale accounting for 90% of the variance in total score and a Cronbach's α coefficient of 0.79. The second approach, Item-Total Correlation, produced a larger scale (20 items), as well as a higher Cronbach's α coefficient of 0.89. The instrument also presented appropriate sensitivity to measure differences between race groups and school of origin. CONCLUSION: DECLEI may have the potential to be used as an instrument to measure clinical learning environments for U.S. dental students using either a smaller, concise scale (Mini DECLEI-USA) or a larger (DECLEI-USA), more thorough scale.
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Facultades de Odontología , Estudiantes de Odontología , Educación en Odontología , Humanos , Aprendizaje , Encuestas y Cuestionarios , Estados UnidosRESUMEN
BACKGROUND AND OBJECTIVE: Ageism is a major barrier for age-appropriate care. The aim of this study was to translate and perform a preliminary validation of an ageism scale for dental students (ASDS) in Brazil (ASDS-Braz). METHODS: The 27-item original ageism scale was translated from English into Brazilian Portuguese. A panel of five Brazilian dental educators revised the scale to establish content validity. The translated version was completed by 156 dental students in the Federal University of Pelotas in Brazil. Principal component analysis, internal consistency reliability and discriminant validity were estimated. RESULTS: All items in the Brazilian Portuguese version received a content validity index score ≥0.80 indicating that they were relevant to the topic. The principal component analysis produced a 12-item scale with three components that accounted for 51% of the overall variance. The first component contained six items associated with a negative view of older adults; the second component contained three items dealing with the complexity of providing care for older adults; and the third component contained three items associated with a positive view of older people. Discriminant validity did not show any differences related to demographic factors, the semester of studies and history of living with older people. CONCLUSIONS: The preliminary validation of the ASDS-Braz produced a 12-item scale with three components with acceptable validity and reliability. Future research in a larger, multi-institutional sample is now warranted.
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Ageísmo , Estudiantes de Odontología , Anciano , Anciano de 80 o más Años , Brasil , Humanos , Psicometría , Reproducibilidad de los Resultados , Encuestas y CuestionariosRESUMEN
BACKGROUND: Sexual harassment of physicians by patients is highly prevalent and rarely reported. Little is known on how to prepare physicians to handle verbal sexual harassment that detracts from their ability to provide care but does not meet the threshold for reporting. PURPOSE: To assess the impact of a sexual harassment workshop and toolkit for ophthalmologists and ophthalmology trainees on responding to patient-initiated verbal sexual harassment. METHODS: A survey study of ophthalmology faculty, fellows, and residents who participated in workshops on responding to patient-initiated verbal sexual harassment was performed at an academic center. A toolkit of strategies for response was distributed. Volunteer participants completed a retrospective pretest-posttest evaluation at the conclusion of the workshop and follow-up survey 3 weeks after the workshops on whether they experienced harassment and intervened. The pretest-posttest surveys assessed the workshop's effect on ophthalmologists' perceptions of and preparedness to respond to sexual harassment in the moment using a 5-point Likert scale, including bystander intervention. Participants described their responses observing and/or experiencing patient-initiated sexual harassment in the 3 weeks following the workshop and whether they had intervened toward the harassment. RESULTS: Ophthalmologists (n=31) felt significantly more prepared to respond to patient-initiated sexual harassment directed towards themselves or a trainee in the moment after participating in the workshop (4.5 ± 1.63,) than before (3.0 ± 1.3) with a mean change of -1.6 (95% CI -2.2 to -.98, p<0.001). After the workshop 86.3% of participants felt mostly or completely prepared to respond to comments about their age, gender, marital status, appearance, attractiveness, a specific body part, and sexual or inappropriate jokes. Most participants (83.9%) said that they had not previously received training on techniques for responding to patient-initiated sexual harassment. Two-thirds (66.7%) of participants who experienced (n=8) or observed (n=13) harassment (n=15) following the workshop intervened. All participants who intervened toward patient-initiated harassment behavior after the workshop (n=10) found the Sexual Harassment Toolkit helpful in addressing harassment in the moment. CONCLUSION: Participation in a brief skills-based workshop significantly improved ophthalmologists' preparedness to respond to verbal sexual harassment by patients.
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This study evaluated homeless women's contraception knowledge and demonstrated improved knowledge following efficacy-based contraceptive counseling. Women were surveyed using a pre-test then post-test following standardized efficacy-based contraceptive counseling. 47 women participated. 13/19 (68.4%) of reproductive-aged women were not using contraception. After education there was significant increase in good-excellent self-rated knowledge (35, 75.5% vs 44, 93.6%; p < .001) and correct identification of most effective contraception OR 5.90 (95% CI = 2.31-15.02; p < .001). In conclusion, homeless women overestimated their understanding of contraception. Following education, there was significantly increased understanding of efficacy. While most did not desire pregnancy, few were using effective contraception and may benefit from education. Abbreviations: SH: Shelter House; LARC: Long-Acting Reversible Contraception; IUD: Intra-Uterine Device; ACOG: American College of Obstetricians and Gynecologists.
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Anticoncepción , Consejo , Eficiencia , Personas con Mala Vivienda , Educación del Paciente como Asunto , Adulto , Femenino , Humanos , IowaRESUMEN
OBJECTIVES: To describe the validation of a new 27-item ageism scale for dental students in Greece. BACKGROUND: A new ageism scale for dental students has been developed by American and European Gerodontology educators and was preliminary validated in the United States. METHODS: The scale was translated into Greek and administered to 8th- and 10th-semester dental students in Athens. Principal components analysis was used to explore the internal structure of the measure; internal consistency reliability was assessed using Cronbach's α coefficient; corrected item-total correlations were calculated to decide which low contributing items should be removed from the scale; and discriminant validity was tested investigating variation in relation to demographic and educational factors. RESULTS: A total of 152 students responded to the questionnaire. The Principal component analysis offered a 15-item scale distributed into four factors that accounted for 56.4%, of the total variance, produced stronger factor loadings, a comparable amount of overall component variance and logical sets of components. The four factors produced were values/ethics about older people (four items, α = 0.71), patient compliance (four items, α = 0.72), barriers to dental care (four items, α = 0.57) and dentist-older patient interaction (three items, α = 0.64). Discriminant validity revealed statistically significant differences in factors and items related to semester of studies, gender and family's permanent residence. CONCLUSION: The preliminary validation of the Greek version of the ageing scale for dental students revealed a 15-item questionnaire that demonstrated acceptable validity and reliability and could be further tested in larger samples.
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Ageísmo , Estudiantes de Odontología , Anciano , Anciano de 80 o más Años , Grecia , Humanos , Psicometría , Reproducibilidad de los Resultados , Encuestas y Cuestionarios , TraduccionesRESUMEN
PURPOSE/AIM: Ageism negatively affects health care. This paper presents an extended validation of a novel scale assessing ageism among dental students. METHOD AND MATERIALS: A previously pilot-tested 27-question scale applied to a larger sample (n = 315) from two U.S. dental schools with Principal Component Analysis used to assess internal structure of the measure. Questions whose deletion increased the overall α loading on >1 factor or those unexpectedly grouped in another factor were thoroughly examined. RESULTS: The scale resulted in five statements (grouped in two factors), which explained 63% of the overall variance with a substantially higher reliability value than other solutions (0.76). Two factors highly correlated were grouped together in a single scale. The five statements are "Elderly people do not take good care of their teeth" (0.62), "Elderly patients do not usually comply with dental advice" (0.93), "The Elderly patient does not live long enough to make it worthwhile to invest time and effort in complex dental treatment" (0.81), "The elderly patient does not live long enough to make it worthwhile to invest money in expensive dental treatment" (0.95), and "Dental treatment of elderly patients is too time-consuming" (0.57). CONCLUSIONS: Five items achieved high reliability toward the validity of this scale.
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Ageísmo , Cuidado Dental para Ancianos/psicología , Estudiantes de Odontología/psicología , Adulto , Femenino , Humanos , Iowa , Kansas , Masculino , Análisis de Componente Principal , Reproducibilidad de los Resultados , Encuestas y CuestionariosRESUMEN
Research on dental students' perceptions of clinical learning environments is needed to identify strengths, weaknesses, and need for interventions to sustain high-quality dental education, but a primary challenge has been the absence of an instrument designed to assess these perceptions. The Dental Clinical Learning Environment Instrument (DECLEI) is a new instrument developed specifically for dental clinical learning environments according to psychometric standards and validated in Europe. The aim of this study was to perform a preliminary validation of DECLEI in a U.S. dental school, thus providing data for subsequent validation in a larger, multi-institution sample. After five experienced faculty members assessed DECLEI's item relevance and content validity, the instrument was distributed in 2016 to 144 third- and fourth-year dental students at the University of Iowa College of Dentistry & Dental Clinics. All 144 questionnaires were completed (100% response rate). The results were tabulated and submitted to principal component analysis with an orthogonal rotation to assess internal structure of the measure. Internal consistency reliability was assessed using Cronbach's alpha coefficient and corrected item-total correlations. The results showed that, of the initial 24 items, principal component analysis allowed 18 items grouped in five domains: student-faculty interaction, equipment and patient issues, didactic-clinical components interaction, negative perceptions, and self-assessment. The Cronbach's alpha coefficients for these five domains ranged from 0.52 to 0.80. These results suggest that DECLEI has the potential for use as a reliable instrument to assess students' perceptions of clinical learning environments at U.S. dental schools, thus supporting the need for a definitive validation analysis in a larger sample.
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Actitud , Educación en Odontología , Facultades de Odontología , Autoinforme , Estudiantes de Odontología/psicología , Estados UnidosRESUMEN
PURPOSE/AIM: This work presents the preliminary validation of a novel scale assessing ageism attitudes among dental students. METHOD AND MATERIALS: A 27-question scale was created based on existing ageism scales. The new ageism scale was applied to 144 dental students. Content validity was achieved by experts' consensus. Questions whose deletion increased the overall α, loading < 0.40, loading on more than one factors, or those unexpectedly grouped in another factor were thoroughly examined. Principal Component Analysis assessed internal structure of the measure. RESULTS: The final ageism scale included four items in a single factor that explained 58.5% of the overall variance with substantially higher reliability than other factors. The Cronbach's α for this single four-items factor was 0.75. CONCLUSIONS: This preliminary analysis of a novel ageism scale for dental professionals pointed to four items achieving high reliability, providing guidance for a future definitive validation study with a larger sample.
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Ageísmo/psicología , Actitud del Personal de Salud , Cuidado Dental para Ancianos/psicología , Estudiantes de Odontología/psicología , Adulto , Femenino , Humanos , Masculino , Análisis de Componente Principal , Encuestas y CuestionariosRESUMEN
BACKGROUND: The Accreditation Council for Graduate Medical Education Milestone Project was implemented in 2014 to standardize assessments and progression of residents. While it is recommended that milestones not be used as tools for direct assessments of resident competency, many programs have used or adapted milestone tools for this purpose. OBJECTIVE: We sought to explore use of the most frequent milestone level at which a resident was evaluated (ie, the mode), and compared this to the standard practice of using the arithmetic mean for summarizing performance. METHODS: We reviewed all Family Medicine Milestone evaluations from 1 program for the first 2 academic years of milestone implementation. Mean and mode scores were calculated across 24 unique residents, 841 evaluation forms, and 5897 measurements. The proportion of overestimation errors (where the mean is at least 0.5 larger than the mode) and underestimation errors (where the mean is at least 0.5 less than the mode) were then compared across resident training year and subcompetency. RESULTS: For the 24 residents, an estimation error occurred in 175 of 792 of the comparisons (22%). Of these errors, 118 (67%) were overestimation errors. First-year residents accounted for 55% (96 of 175) of all estimation errors. All subcompetencies had some estimation errors, with 6 having greater than 5%. CONCLUSIONS: If the trend for using the milestones as stand-alone assessment tools is to continue, aggregating data by using frequency distributions and mode would be a more stable and appropriate approach given their nominal or, at best, ordinal nature.
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Competencia Clínica , Evaluación Educacional/métodos , Medicina Interna/educación , Internado y Residencia , Acreditación , Educación de Postgrado en Medicina , HumanosRESUMEN
Aging is associated with increased carotid artery stiffness, a predictor of incident stroke, and reduced cognitive performance and brain white matter integrity (WMI) in humans. Therefore, we hypothesized that higher carotid stiffness/lower compliance would be independently associated with slower processing speed, higher working memory cost, and lower WMI in healthy middle-aged/older (MA/O) adults. Carotid ß-stiffness (P < 0.001) was greater and compliance (P < 0.001) was lower in MA/O (n = 32; 64.4 ± 4.3 yr) vs. young (n = 19; 23.8 ± 2.9 yr) adults. MA/O adults demonstrated slower processing speed (27.4 ± 4.6 vs. 35.4 ± 5.0 U/60 s, P < 0.001) and higher working memory cost (-15.4 ± 0.14 vs. -2.2 ± 0.05%, P < 0.001) vs. young adults. Global WMI was lower in MA/O adults (P < 0.001) and regionally in the frontal lobe (P = 0.020) and genu (P = 0.009). In the entire cohort, multiple regression analysis that included education, sex, and body mass index, carotid ß-stiffness index (B = -0.53 ± 0.15 U, P = 0.001) and age group (B = -4.61 ± 1.7, P = 0.012, adjusted R2 = 0.4) predicted processing speed but not working memory cost or WMI. Among MA/O adults, higher ß-stiffness (B = -0.60 ± 0.18, P = 0.002) and lower compliance (B = 0.93 ± 0.26, P = 0.002) were associated with slower processing speed but not working memory cost or WMI. These data suggest that greater carotid artery stiffness is independently and selectively associated with slower processing speed but not working memory among MA/O adults. Carotid artery stiffening may modulate reductions in processing speed earlier than working memory with healthy aging in humans.NEW & NOTEWORTHY Previously, studies investigating the relation between large elastic artery stiffness, cognition, and brain structure have focused mainly on aortic stiffness in aged individuals with cardiovascular disease risk factors and other comorbidities. This study adds to the field by demonstrating that the age-related increases in carotid artery stiffness, but not aortic stiffness, is independently and selectively associated with slower processing speed but not working memory among middle-aged/older adults with low cardiovascular disease risk factor burden.