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Abstract
Controversy over which reliability estimators should be used persists due to a lack of knowledge about their accuracy. Simulation is an effective tool to obtain an answer, but existing simulation studies yield contradictory results regarding which reliability estimators are the best. The causes of these inconsistent conclusions have yet to be discussed. This study reanalyzes existing studies to understand these contradictions. The most important reason is that previous studies consider only a few reliability estimators. This study examines approximately 30 reliability estimators and finds that there is no single, most accurate reliability estimator across all data types. Instead, several reliability estimators are accurate to comparable levels for unidimensional data (congeneric reliability, Guttman's lambda2, and ten Berge-Zegers's mu). Likewise, multiple reliability estimators perform similarly for multidimensional data (multidimensional parallel reliability, correlated factors reliability, and second-order factor reliability). Whereas many recent studies support factor analysis (FA) reliability estimators, this study shows that not all FA reliability estimators are accurate and that some cause severe overestimation. (PsycInfo Database Record (c) 2024 APA, all rights reserved).
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Affiliation(s)
- Eunseong Cho
- College of Business Administration, Kwangwoon University
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2
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Cho E. Beyond alpha and omega: The accuracy of single-test reliability estimators in unidimensional continuous data. Behav Res Methods 2024:10.3758/s13428-024-02361-z. [PMID: 38383800 DOI: 10.3758/s13428-024-02361-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/05/2024] [Indexed: 02/23/2024]
Abstract
Coefficient alpha is commonly used as a reliability estimator. However, several estimators are believed to be more accurate than alpha, with factor analysis (FA) estimators being the most commonly recommended. Furthermore, unstandardized estimators are considered more accurate than standardized estimators. In other words, the existing literature suggests that unstandardized FA estimators are the most accurate regardless of data characteristics. To test whether this conventional knowledge is appropriate, this study examines the accuracy of 12 estimators using a Monte Carlo simulation. The results show that several estimators are more accurate than alpha, including both FA and non-FA estimators. The most accurate on average is a standardized FA estimator. Unstandardized estimators (e.g., alpha) are less accurate on average than the corresponding standardized estimators (e.g., standardized alpha). However, the accuracy of estimators is affected to varying degrees by data characteristics (e.g., sample size, number of items, outliers). For example, standardized estimators are more accurate than unstandardized estimators with a small sample size and many outliers, and vice versa. The greatest lower bound is the most accurate when the number of items is 3 but severely overestimates reliability when the number of items is more than 3. In conclusion, estimators have their advantageous data characteristics, and no estimator is the most accurate for all data characteristics.
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Sachar M, Lin BM, Wong V, Li W, Huang V, Harris J, Ezzedine K, Cho E, Qureshi AA. Association between acetaminophen use and vitiligo in US women and men. Australas J Dermatol 2023; 64:e348-e351. [PMID: 37688423 PMCID: PMC10840899 DOI: 10.1111/ajd.14152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 05/30/2023] [Accepted: 08/21/2023] [Indexed: 09/10/2023]
Abstract
BACKGROUND/OBJECTIVES Exposure to chemical phenols, which can act as tyrosine analogues and result in anti-melanocyte autoimmunity, has been associated with vitiligo. Acetaminophen (N-acetyl-p-aminophenol) is an over-the-counter analgesic of phenolic origin. The risk of vitiligo with systemic exposure to acetaminophen has not yet been evaluated. METHODS We examined the risk of vitiligo with regular use acetaminophen in women, the Nurses' Health Study (NHS) and in men, the Health Professionals Follow-up Study (HPFS). Regular acetaminophen use was asked biennially from 1990 in NHS and from 1986 in HPFS, and the year of clinician-diagnosed vitiligo was asked retrospectively in 2012 in the cohorts. RESULTS In NHS, a total of 161 vitiligo cases were identified during a follow-up of 571,724 person-years; in HPFS, a total of 183 vitiligo cases were identified during a follow-up of 680,313 person-years. Regular use of acetaminophen was associated with an increased vitiligo risk in NHS but not HPFS. The multivariable relative risk (RR) was 1.52 (95% confidence interval [CI] 1.03-2.25) in NHS and 1.09 (95% CI 0.76-1.55) in HPFS. The higher risk of vitiligo was similar by duration of acetaminophen use in women; the multivariable RRs were 1.47 (95% CI 0.98-2.21) for acetaminophen use under 5 years, and 1.78 (95% CI 1.11-2.84) for acetaminophen use over 5 years. CONCLUSIONS Acetaminophen may be associated with a higher risk of vitiligo in women.
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Affiliation(s)
- M Sachar
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
| | - B M Lin
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Massachusetts Eye and Ear Infirmary, Department of Otolaryngology, Boston, Massachusetts, USA
| | - V Wong
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
- Department of Dermatology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
| | - W Li
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Cancer Epidemiology, Peking University Cancer Hospital & Institute, Beijing, China
| | - V Huang
- Department of Dermatology, University of California, Davis, California, USA
| | - J Harris
- Department of Dermatology, University of Massachusetts, Worcester, Massachusetts, USA
| | - K Ezzedine
- Department of Dermatology, Mondor Hospital (AP-HP), Paris Est Créteil University, Créteil, France
| | - E Cho
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Department of Epidemiology, Brown University School of Public Health, Providence, Rhode Island, USA
| | - A A Qureshi
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA
- Department of Epidemiology, Brown University School of Public Health, Providence, Rhode Island, USA
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Armstrong G, Haregu T, Cho E, Jorm AF, Batterham P, Spittal MJ. Transition to a first suicide attempt among young and middle-aged males with a history of suicidal thoughts: A two-year cohort study. Psychiatry Res 2023; 328:115445. [PMID: 37666006 DOI: 10.1016/j.psychres.2023.115445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 08/21/2023] [Accepted: 08/26/2023] [Indexed: 09/06/2023]
Abstract
INTRODUCTION Although many studies have examined the risk and protective factors associated with suicidal behavior, little is known about the probability of transition from suicidal thoughts to suicidal attempts and the factors that distinguish those who have suicidal thoughts from those who progress to a suicide attempt. OBJECTIVES To determine the probability and predictors of transition to a suicide attempt among young and middle-aged males with a history of suicidal thoughts but no prior history of attempting suicide. METHODS We used data from the first two waves of the Australian Longitudinal Study on Male Health, approximately two years apart. We followed the cohort of males aged 18-55 years who, at wave 1, reported a lifetime history of suicidal ideation but no history of a prior suicide attempt. We report transition probabilities to a first suicide attempt at Wave 2 and used logistic regression models to examine baseline predictors of transition to a first suicide attempt over the two-year period among males aged 18 years and older. RESULTS From the 1,564 males with suicidal thoughts at wave 1,140 participants (8.9%; 95% CI:7.6,10.5) reported to have had their first suicide attempt in the two-year period. In multivariate analyses, males aged 30-39 (OR=0.31; 95% CI: 0.16,0.60), 40-49 (OR=0.47; 95% CI:0.24,0.91) and 50-55 (OR=0.31; 95% CI: 0.13,0.73) all had lower odds of a first suicide attempt compared to males aged 18-29 years. The odds of a first suicide attempt were significantly higher for males who were: living in inner regional areas (ref: major cities) (OR=2.32; 95% CI: 1.33,4.04); homosexual or bisexual (OR=2.51; 95% CI: 1.17,5.36); working night shift as their main job (OR=1.75; 95% CI: 1.05,2.91); and, living with a disability (OR=1.99; 95% CI: 1.07,3.65). Clinical indicators such as symptoms of depression and illicit substance use were not significant predictors of transition to a first suicide attempt in multivariate models, nor were indicators of social connection. CONCLUSION We estimated that 8.9% of Australian males aged 15-55 years with a history of suicidal thoughts and no prior history of suicide attempts will progress to a first suicide attempt within two-years. Neither psychological distress, illicit substance use nor social connection indicators were correlated with transition to a first suicide attempt. Rather, it was socio-demographic indicators that were associated with transition to a first suicide attempt.
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Affiliation(s)
- G Armstrong
- Nossal Institute for Global Health, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia.
| | - T Haregu
- Nossal Institute for Global Health, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia
| | - E Cho
- Nossal Institute for Global Health, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia
| | - A F Jorm
- Centre for Mental Health, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia
| | - P Batterham
- National Centre for Epidemiology and Population Health, Canberra, Australia
| | - M J Spittal
- Centre for Mental Health, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia
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Cho E. Interchangeability between factor analysis, logistic IRT, and normal ogive IRT. Front Psychol 2023; 14:1267219. [PMID: 37818417 PMCID: PMC10561244 DOI: 10.3389/fpsyg.2023.1267219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 09/05/2023] [Indexed: 10/12/2023] Open
Abstract
In existing studies, it has been argued that factor analysis (FA) is equivalent to item response theory (IRT) and that IRT models that use different functions (i.e., logistic and normal ogive) are also interchangeable. However, these arguments have weak links. The proof of equivalence between FA and normal ogive IRT assumes a normal distribution. The interchangeability between the logistic and normal ogive IRT models depends on a scaling constant, but few scholars have examined whether the usual values of 1.7 or 1.702 maximize interchangeability. This study addresses these issues through Monte Carlo simulations. First, the FA model produces almost identical results to those of the normal ogive model even under severe nonnormality. Second, no single scaling constant maximizes the interchangeability between logistic and normal ogive models. Instead, users should choose different scaling constants depending on their purpose in using a model and the number of response categories (i.e., dichotomous or polytomous). Third, the interchangeability between logistic and normal ogive models is determined by several conditions. The interchangeability is high if the data are dichotomous or if the latent variables follow a symmetric distribution, and vice versa. In summary, the interchangeability between FA and normal ogive models is greater than expected, but that between logistic and normal ogive models is not.
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Affiliation(s)
- Eunseong Cho
- Department of Business Administration, Kwangwoon University, Seoul, Republic of Korea
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Burgess BL, Cho E, Honigberg L. Neurofilament light as a predictive biomarker of unresolved chemotherapy-induced peripheral neuropathy in subjects receiving paclitaxel and carboplatin. Sci Rep 2022; 12:15593. [PMID: 36114333 PMCID: PMC9481642 DOI: 10.1038/s41598-022-18716-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 08/18/2022] [Indexed: 11/09/2022] Open
Abstract
AbstractManagement of chemotherapy-induced peripheral neuropathy (CIPN) remains a significant challenge in the treatment of cancer. Risk mitigation for CIPN involves preemptive reduction of cumulative dose or reduction of dose intensity upon emergence of symptoms, despite the risk of reduced tumor efficacy. A predictive biomarker for dose-limiting CIPN could improve treatment outcomes by allowing providers to make informed decisions that balance both safety and efficacy. To identify a predictive biomarker of CIPN, markers of neurodegeneration neurofilament-light (NfL), glial fibrillary acidic protein (GFAP), tau and ubiquitin c-terminal hydrolase L1 (UCHL1) were assessed in serum of up to 88 subjects drawn 21 days following the first of 6 treatments with chemotherapeutics paclitaxel and carboplatin. Serum NfL and GFAP were increased with chemotherapy. Further, NfL change predicted subsequent onset of grade 2–3 CIPN during the remainder of the trial (mean treatment duration = 200 days) and trended toward stronger prediction of CIPN that remained unresolved at the end of the study. These results confirm previous reports that serum NfL is increased in CIPN and provide the first evidence that NfL can be used to identify subjects susceptible to dose-limiting paclitaxel and carboplatin induced CIPN prior to onset of symptoms.
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Abstract
The current guidelines for estimating reliability recommend using two omega combinations in multidimensional data. One omega is for factor analysis (FA) reliability estimators, and the other omega is for omega hierarchical estimators (i.e., ωh). This study challenges these guidelines. Specifically, the following three questions are asked: (a) Do FA reliability estimators outperform non-FA reliability estimators? (b) Is it always desirable to estimate ωh? (c) What are the best reliability and ωh estimators? This study addresses these issues through a Monte Carlo simulation of reliability and ωh estimators. The conclusions are given as follows. First, the performance differences among most reliability estimators are small, and the performance of FA estimators is comparable to that of non-FA estimators. However, the current, most-recommended estimators, that is, estimators based on the bifactor model and exploratory factor analysis, tend to overestimate reliability. Second, the accuracy of ωh estimators is much lower than that of reliability estimators, so we should perform ωh estimation selectively only on data that meet several requirements. Third, exploratory bifactor analysis is more accurate than confirmatory bifactor analysis only in the presence of cross-loading; otherwise, exploratory bifactor analysis is less accurate than confirmatory bifactor analysis. Fourth, techniques known to improve the Schmid-Leiman (SL) transformation are not superior to SL transformation but have different advantages. This study provides an R Shiny app that allows users to obtain multidimensional reliability and ωh estimates with a few mouse clicks. (PsycInfo Database Record (c) 2022 APA, all rights reserved).
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Cho E, Tugendrajch SK, McMillen JC, Proctor EK, Hawley KM. Implementation of Evidence-Based Practices within Treatment-As-Usual and Evidence-Based Practice Initiatives. Adm Policy Ment Health 2022; 49:757-784. [PMID: 35501585 PMCID: PMC11003240 DOI: 10.1007/s10488-022-01197-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/03/2022] [Indexed: 11/25/2022]
Abstract
Publicly funded initiatives are underway to improve implementation of evidence-based practices (EBP) in youth mental health services. However, we know little about the success of these initiatives or about EBP implementation independent of such initiatives. We examined EBP implementation in a treatment as usual (TAU) state and in six states with publicly funded EBP initiatives (EBPIs). In Study 1, we examined providers' use of practices derived from the evidence base (PDEB) and their predictors among 780 providers in a TAU state. In Study 2, we conducted a systematic review of implementation strategies, outcomes, and predictors of EBP use in six state funded EBPIs. Study 1 suggests TAU providers use PDEB alongside practices without consistent research support; provider racial/ethnic minority status, learning theory orientation, and manual use predict greater PDEB use. Study 2 indicates EBPIs employ multiple recommended implementation strategies with variable outcomes across studies and measurement approaches. Predictors of EBP use in EBPIs also varied, though training, setting, and youth age were consistent predictors across studies. While sample differences and inconsistent measurement across studies made direct comparisons somewhat tenuous, rates of PDEB use in the TAU sample appeared similar to those in publicly funded EBPIs. However, two states reported comparisons with TAU samples and found higher EBP implementation under EBPI. Different predictors impacted EBP use in TAU versus EBPIs. Our findings highlight the need for improved evaluation of EBPIs including clear reporting standards for outcomes and more consistent, standardized measurement of EBP use in order to better understand and improve EBPIs.
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Affiliation(s)
- E Cho
- Harvard University, 33 Kirkland St, Cambridge, MA, 02138, USA
| | - S K Tugendrajch
- University of Missouri, 200 South 7th Street, Columbia, MO, 65211, USA
| | - J C McMillen
- University of Chicago, 969 E. 60th Street, Chicago, IL, 60637, USA
| | - E K Proctor
- Washington University in St. Louis, One Brookings Drive, St. Louis, MO, 63130, USA
| | - K M Hawley
- University of Missouri, 204C McAlester Hall, Columbia, MO, 65211, USA.
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Cho E, Cha HG. P01-01 Allergic respiratory diseases linked with AOP caused by chemicals in the workplace. Toxicol Lett 2022. [DOI: 10.1016/j.toxlet.2022.07.245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Lee J, Lee TR, Kim G, Ahn J, Park S, Song KB, Jun E, Oh D, Lee JW, Park Y, Song GW, Byeon JS, Kim B, Lee J, Kim D, Ki CS, Cho E, Choi J. 916P Deep learning-based multimodal ensemble algorithm for multi-cancer detection and classification using cf-WGS. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Kumar R, Kim S, Zhong D, Lu S, Cheng Y, Chen M, Cho E, Clay T, Kang JH, Lee GW, Sun M, Shim BY, Spigel D, Yang TY, Wang Q, Chang GC, Yu G, Wang R, Luo X, Zheng H, Gao R, Kim H. EP08.01-073 AdvanTIG-105: Phase 1b Dose-Expansion Study of Ociperlimab plus Tislelizumab in Patients with Metastatic NSCLC. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Tran M, Moseley I, George E, Cho E. 691 Psoriasis and psoriatic arthropathy in diverse U.S. adult cohort: All of us research program. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Ahmed F, Lim R, Moseley I, Hoang M, Wisco O, Robinson-Bostom L, Qureshi A, Cho E. 227 Socioeconomic predictors of melanoma Breslow thickness at a Rhode Island academic center. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Hong J, Cho E, Kim H, Lee W, Chun S, Min W. M104 Application and modification of reference change values for delta checks in clinical laboratory. Clin Chim Acta 2022. [DOI: 10.1016/j.cca.2022.04.202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Ryu K, Baek H, Skare S, Cho E, Nam I, Kim T, Sprenger T. Clinical Feasibility of Ultrafast Contrast-Enhanced T1-Weighted 3D-EPI for Evaluating Intracranial Enhancing Lesions in Oncology Patients: Comparison with Standard 3D MPRAGE Sequence. AJNR Am J Neuroradiol 2022; 43:195-201. [PMID: 35027347 PMCID: PMC8985684 DOI: 10.3174/ajnr.a7391] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 10/29/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND AND PURPOSE Contrast-enhanced 3D T1WI is a preferred sequence for brain tumor imaging despite the long scan time. This study investigated the clinical feasibility of ultrafast contrast-enhanced T1WI by 3D echo-planar imaging compared with a standard contrast-enhanced 3D MPRAGE sequence for evaluating intracranial enhancing lesions in oncology patients. MATERIALS AND METHODS Sixty-one patients in oncology underwent brain MR imaging including both contrast-enhanced T1WI, 3D-EPI and 3D MPRAGE, in a single examination session for evaluating intracranial tumors. Two neuroradiologists evaluated image quality, lesion conspicuity, diagnostic confidence, number and size of the lesions, and contrast-to-noise ratio measurements from the 2 different sequences. RESULTS Ultrafast 3D-EPI T1WI did not reveal significant differences in diagnostic confidence, contrast-to-noise ratiolesion/parenchyma, and the number of enhancing lesions compared with MPRAGE (P > .05). However, ultrafast 3D-EPI T1WI revealed inferior image quality, inferior anatomic delineation and greater susceptibility artifacts with fewer motion artifacts than images obtained with MPRAGE. The mean contrast-to-noise ratioWM/GM and visual conspicuity of the lesion on ultrafast 3D-EPI T1WI were lower than those of MPRAGE (P < .001). CONCLUSIONS Ultrafast 3D-EPI T1WI showed comparable diagnostic performance with sufficient image quality and a 7-fold reduction in scan time for evaluating intracranial enhancing lesions compared with standard MPRAGE, even though it was limited by an inferior image quality and frequent susceptibility artifacts. Therefore, we believe that ultrafast 3D-EPI T1WI may be a viable option in oncology patients prone to movement during imaging studies.
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Affiliation(s)
- K.H. Ryu
- From the Departments of Radiology (K.H.R., H.J.B., E.C., I.C.N.)
| | - H.J. Baek
- From the Departments of Radiology (K.H.R., H.J.B., E.C., I.C.N.),Department of Radiology (H.J.B.), Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, Republic of Korea
| | - S. Skare
- Department of Neuroradiology (S.S.),Clinical Neuroscience (S.S., T.S.), Karolinska Institute, Stockholm, Sweden
| | - E. Cho
- From the Departments of Radiology (K.H.R., H.J.B., E.C., I.C.N.)
| | - I.C. Nam
- From the Departments of Radiology (K.H.R., H.J.B., E.C., I.C.N.)
| | - T.H. Kim
- Internal Medicine (T.H.K.), Gyeongsang National University School of Medicine and Gyeongsang National University Changwon Hospital, Changwon, Republic of Korea
| | - T. Sprenger
- Clinical Neuroscience (S.S., T.S.), Karolinska Institute, Stockholm, Sweden,MR Applied Science Laboratory Europe (T.S.), GE Healthcare, Stockholm, Sweden
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Cho E. Neither Cronbach's Alpha nor McDonald's Omega: A Commentary on Sijtsma and Pfadt. Psychometrika 2021; 86:877-886. [PMID: 34460069 DOI: 10.1007/s11336-021-09801-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 06/17/2021] [Accepted: 07/31/2021] [Indexed: 06/13/2023]
Abstract
Sijtsma and Pfadt (2021) published a thought-provoking article on coefficient alpha. I make the following arguments against their work. 1) Kuder and Richardson (1937) deserve more credit for coefficient alpha than Cronbach (1951). 2) We should distinguish between the definition of reliability and its meaning. 3) We should be wary of overfitting in the use of FA reliability. 4) Our primary concern is to obtain accurate reliability estimates rather than conservative estimates. 5) Several reliability estimators, such as [Formula: see text], [Formula: see text], congeneric reliability and the Gilmer-Feldt coefficient are more accurate than coefficient alpha. 6) The name omega should not be used to refer to a specific reliability estimator.
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Affiliation(s)
- Eunseong Cho
- Republic of Korea College of Business Administration, Kwangwoon University, 20 Kwangwoonro, Nowon-gu, Seoul, 01897, Republic of Korea.
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Abstract
Discriminant validity was originally presented as a set of empirical criteria that can be assessed from multitrait-multimethod (MTMM) matrices. Because datasets used by applied researchers rarely lend themselves to MTMM analysis, the need to assess discriminant validity in empirical research has led to the introduction of numerous techniques, some of which have been introduced in an ad hoc manner and without rigorous methodological support. We review various definitions of and techniques for assessing discriminant validity and provide a generalized definition of discriminant validity based on the correlation between two measures after measurement error has been considered. We then review techniques that have been proposed for discriminant validity assessment, demonstrating some problems and equivalencies of these techniques that have gone unnoticed by prior research. After conducting Monte Carlo simulations that compare the techniques, we present techniques called CICFA(sys) and [Formula: see text](sys) that applied researchers can use to assess discriminant validity.
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Affiliation(s)
- Mikko Rönkkö
- Jyväskylä University School of Business and Economics, University of Jyväskylä, Finland
| | - Eunseong Cho
- College of Business Administration, Kwangwoon University, Seoul, Republic of Korea
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Tajalli M, Li T, Cho E, Qureshi A, Vance T. 463 Plasma levels of IL-6 and CRP predict risk of developing psoriasis in US women. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Ghanian S, Li T, Han J, Qureshi A, Walker J, Cho E. 405 Association between cutaneous squamous cell carcinoma primary tumor anatomic site, laterality, and odds of invasion in the United States. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Tajalli M, Li T, Hasan M, Drucker A, Qureshi A, Cho E. 464 Treatment patterns of psoriasis by medical providers and disease severity in US women. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Dai W, Liu H, Liu Y, Xu X, Qian D, Luo S, Cho E, Zhu D, Amos CI, Fang S, Lee JE, Li X, Nan H, Li C, Wei Q. Genetic variants in the folate metabolic pathway genes predict cutaneous melanoma-specific survival. Br J Dermatol 2020; 183:719-728. [PMID: 31955403 DOI: 10.1111/bjd.18878] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/13/2020] [Indexed: 01/05/2023]
Abstract
BACKGROUND Folate metabolism plays an important role in DNA methylation and nucleic acid synthesis and thus may function as a regulatory factor in cancer development. Genome-wide association studies (GWASs) have identified some single-nucleotide polymorphisms (SNPs) associated with cutaneous melanoma-specific survival (CMSS), but no SNPs were found in genes involved in the folate metabolic pathway. OBJECTIVES To examine associations between SNPs in folate metabolic pathway genes and CMSS. METHODS We comprehensively evaluated 2645 (422 genotyped and 2223 imputed) common SNPs in folate metabolic pathway genes from a published GWAS of 858 patients from The University of Texas MD Anderson Cancer Center and performed the validation in another GWAS of 409 patients from the Nurses' Health Study and Health Professionals Follow-up Study, in which 95/858 (11·1%) and 48/409 (11·7%) patients died of cutaneous melanoma, respectively. RESULTS We identified two independent SNPs (MTHFD1 rs1950902 G>A and ALPL rs10917006 C>T) to be associated with CMSS in both datasets, and their meta-analysis yielded an allelic hazards ratio of 1·75 (95% confidence interval 1·32-2·32, P = 9·96 × 10-5 ) and 2·05 (1·39-3·01, P = 2·84 × 10-4 ), respectively. The genotype-phenotype correlation analyses provided additional support for the biological plausibility of these two variants' roles in tumour progression, suggesting that variation in SNP-related mRNA expression levels is likely to be the mechanism underlying the observed associations with CMSS. CONCLUSIONS Two possibly functional genetic variants, MTHFD1 rs1950902 and ALPL rs10917006, were likely to be independently or jointly associated with CMSS, which may add to personalized treatment in the future, once further validated. What is already known about this topic? Existing data show that survival rates vary among patients with melanoma with similar clinical characteristics; therefore, it is necessary to identify additional complementary biomarkers for melanoma-specific prognosis. A hypothesis-driven approach, by pooling the effects of single-nucleotide polymorphisms (SNPs) in a specific biological pathway as genetic risk scores, may provide a prognostic utility, and genetic variants of genes in folate metabolism have been reported to be associated with cancer risk. What does this study add? Two genetic variants in the folate metabolic pathway genes, MTHFD1 rs1950902 and ALPL rs10917006, are significantly associated with cutaneous melanoma-specific survival (CMSS). What is the translational message? The identification of genetic variants will make a risk-prediction model possible for CMSS. The SNPs in the folate metabolic pathway genes, once validated in larger studies, may be useful in the personalized management and treatment of patients with cutaneous melanoma.
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Affiliation(s)
- W Dai
- Department of Dermatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China.,Duke Cancer Institute, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Medicine, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - H Liu
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Medicine, Duke University Medical Center, Durham, NC, 27710, USA
| | - Y Liu
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Medicine, Duke University Medical Center, Durham, NC, 27710, USA
| | - X Xu
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Medicine, Duke University Medical Center, Durham, NC, 27710, USA
| | - D Qian
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Medicine, Duke University Medical Center, Durham, NC, 27710, USA
| | - S Luo
- Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, NC, 27710, USA
| | - E Cho
- Department of Dermatology, Warren Alpert Medical School, Brown University, Providence, RI, 02912, USA.,Department of Epidemiology, Brown University School of Public Health, Providence, RI, 02912, USA.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA, 02115, USA
| | - D Zhu
- Institute for Clinical and Translational Research, Baylor College of Medicine, Houston, TX, 77030, USA
| | - C I Amos
- Institute for Clinical and Translational Research, Baylor College of Medicine, Houston, TX, 77030, USA
| | - S Fang
- Department of Surgical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX, 77030, USA
| | - J E Lee
- Department of Surgical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX, 77030, USA
| | - X Li
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA, 02115, USA.,Department of Epidemiology, Fairbanks School of Public Health, Indiana University, Indianapolis, IN, 46202, USA
| | - H Nan
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA, 02115, USA.,Department of Epidemiology, Fairbanks School of Public Health, Indiana University, Indianapolis, IN, 46202, USA
| | - C Li
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Q Wei
- Duke Cancer Institute, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Medicine, Duke University Medical Center, Durham, NC, 27710, USA.,Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, 27710, USA
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Rhee J, Vance TM, Lim R, Christiani DC, Qureshi AA, Cho E. Association of blood mercury levels with nonmelanoma skin cancer in the U.S.A. using National Health and Nutrition Examination Survey data (2003-2016). Br J Dermatol 2020; 183:480-487. [PMID: 32020585 DOI: 10.1111/bjd.18797] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/07/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Some studies have reported increased incidence or mortality of lung and brain cancers associated with occupations involving potential mercury exposure. Epidemiological evidence related to skin cancer is also limited. OBJECTIVES To investigate the association between blood mercury (Hg) levels and nonmelanoma skin cancer (NMSC). METHODS We used National Health and Nutrition Examination Survey data from 2003 to 2016. The exposures were blood total (tHg), inorganic (iHg) and methylmercury (MeHg). The outcome was a self-reported diagnosis of NMSC. We included participants aged ≥ 20 years who had information on blood mercury and sociodemographic factors. We conducted a logistic regression analysis to estimate odds ratios (ORs) and 95% confidence intervals (CIs) for the risk of NMSC associated with quartiles of blood Hg, after adjusting for the sociodemographic factors and survey year. RESULTS The number of participants was 29 413; mean age was 49 years and 52% were female. Compared with those with a tHg ≤ 0·47 μg L-1 (Q1), those with a tHg > 1·74 μg L-1 (Q4) had nearly double the odds of NMSC (OR 1·79, 95% CI 1·19-2·71; Ptrend = 0·004). Similarly, those in the highest quartile of MeHg (> 1·44 μg L-1 ) had 1·7 times greater odds of NMSC (OR 1·74, 95% CI 1·13-2·70; Ptrend = 0·01) than those in the lowest quartile (≤ 0·21 μg L-1 ). iHg levels were nonsignificantly positively associated with NMSC (Ptrend = 0·08). CONCLUSIONS We found that higher blood tHg and MeHg levels were associated with a higher prevalence of NMSC. Linked Comment: Taylor. Br J Dermatol 2020; 183:413-414.
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Affiliation(s)
- J Rhee
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, RI, U.S.A
| | - T M Vance
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, RI, U.S.A
| | - R Lim
- Brown University, Providence, RI, U.S.A
| | - D C Christiani
- Department of Environmental Health, Harvard University, Boston, MA, U.S.A.,Department of Epidemiology, T.H. Chan School of Public Health, Harvard University, Boston, MA, U.S.A
| | - A A Qureshi
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, RI, U.S.A.,Department of Epidemiology, Brown School of Public Health, Providence, RI, U.S.A
| | - E Cho
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, RI, U.S.A.,Department of Epidemiology, Brown School of Public Health, Providence, RI, U.S.A.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, U.S.A
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23
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Yen H, Yen H, Li W, Li T, Qureshi A, Cho E. 119 Cyclooxygenase-2 Inhibitor Use and Risk of Skin Cancer: Three Prospective Cohort Studies. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.07.123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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24
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Nam JY, Cho E, Park EC. Do severe maternal morbidity and adequate prenatal care affect the delivery cost? A nationwide cohort study for 11 years with follow up. BJOG 2019; 126:1623-1631. [PMID: 31359578 DOI: 10.1111/1471-0528.15895] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/22/2019] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To explore whether severe maternal morbidity (SMM) and adequate prenatal care (PNC) affect delivery cost. DESIGN Population-based retrospective cohort study. SETTING National Health Insurance Service National Sample Cohort in Korea. POPULATION A total of 90 035 deliveries in 2003 and 2013. METHODS Severe maternal morbidity was determined using the Centers for Disease Control and Prevention's algorithm. Delivery medical costs were calculated by estimating claimed total medical costs using year-specific inflation adjustment factors. Adequate PNC was estimated by the Kessner Adequacy of Prenatal Care Index. To estimate adjusted mean delivery medical costs related to SMM, we applied a generalised estimating equation model with log link and γ distribution, by adjusting for all covariates. MAIN OUTCOME MEASURES Delivery cost was calculated by estimating claimed total medical cost during delivery hospitalisation using year-specific inflation. RESULTS Of the 90 035 deliveries, 2041 (2.27%) involved SMM. Women with SMM had a greater adjusted mean cost of delivery (US$ 1,263, 95% CI US$ 1,196-1,334) than those without (US$ 740, 95% CI US$ 729-750). Interestingly, women who had inadequate PNC had higher delivery medical costs than those with adequate PNC, adjusted for all covariates. CONCLUSION Delivery involving SMM was associated with nearly doubled medical costs. Additionally, inadequate PNC increased the medical costs of delivery. The current study confirmed the burden of SMM and found that adequate PNC might be a useful preventive factor in reducing medical costs. TWEETABLE ABSTRACT We found that women with severe maternal morbidity and inadequate prenatal care had increased medical costs during delivery hospitalisation.
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Affiliation(s)
- J Y Nam
- Research Institute of Asian Women, Sookmyung Women's University, Seoul, Korea
| | - E Cho
- College of Pharmacy, Sookmyung Women's University, Seoul, Korea
| | - E C Park
- Department of Preventive Medicine and Institute of Health Services Research, Yonsei University College of Medicine, Seoul, Korea
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25
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Cho E, Yieh A, Kendrick J, Carr R, Chilvers M. P107 Implementation of a first growth MRSA eradication protocol in children with cystic fibrosis. J Cyst Fibros 2019. [DOI: 10.1016/s1569-1993(19)30401-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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26
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Barua S, Rhee J, Cho E, Qureshi A, Walker J. 537 Psychosocial burden of skin caner is associated with age and sex. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.03.613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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27
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Bridgman A, Qureshi A, Li T, Tabung F, Cho E, Drucker A. 225 Inflammatory dietary pattern and incident psoriasis, psoriatic arthritis, and atopic dermatitis in women: A cohort study. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.03.301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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28
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Choi H, Cho E, Lee S, Bae I, Min D, Oh S, Marinho P, Kim H. 890 Development of pigmented reconstructed human epidermis model containing human melanoblasts from keratinocyte culture. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.03.966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Drucker AM, Cho E, Li WQ, Camargo CA, Li T, Qureshi AA. Diagnosis validation and clinical characterization of atopic dermatitis in Nurses' Health Study 2. J Eur Acad Dermatol Venereol 2019; 33:588-594. [PMID: 30468531 DOI: 10.1111/jdv.15360] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 10/17/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND Epidemiologic studies of atopic dermatitis (AD) are often limited by case definitions that have not been validated. OBJECTIVE In this study, we assessed the accuracy of self-report of AD in a large cohort of US female nurses, the Nurses' Health Study 2 (NHS2). We also provide clinical characteristics of AD in the cohort. METHODS We sent an electronic questionnaire to NHS2 participants who previously reported ever having a diagnosis of AD. This questionnaire was designed to confirm cases of AD using previously validated algorithms with >85% specificity. We assessed the association of AD with asthma, comparing the results when different definitions of AD were applied. We also inquired about various aspects of participants' AD. RESULTS Responses were received from 2509 of 5126 (49%) nurses who were sent the questionnaire, with an average age of 62. Most participants (1996/2509, 80%) reiterated their previously reported clinician diagnosis of AD. Application of the two diagnostic algorithms yielded confirmation of 1538 and 1293 prevalent cases, respectively. The association of AD with asthma was stronger when more stringent AD case definitions were applied. Participants generally reported mild disease (92% with ≤10% maximal body surface area involved) and a high proportion (57%) reported adult-onset disease. CONCLUSIONS Self-report of AD diagnosis has good reliability, and future analyses will be strengthened by our ability to conduct sensitivity analyses with refined confirmed AD subgroups.
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Affiliation(s)
- A M Drucker
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada.,Women's College Research Institute and Department of Medicine, Women's College Hospital, Toronto, ON, Canada.,Department of Dermatology, Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - E Cho
- Department of Dermatology, Warren Alpert Medical School of Brown University, Providence, RI, USA.,Department of Epidemiology, School of Public Health, Brown University, Providence, RI, USA.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - W-Q Li
- Department of Dermatology, Warren Alpert Medical School of Brown University, Providence, RI, USA.,Department of Epidemiology, School of Public Health, Brown University, Providence, RI, USA
| | - C A Camargo
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.,Department of Emergency Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - T Li
- Department of Dermatology, Warren Alpert Medical School of Brown University, Providence, RI, USA.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - A A Qureshi
- Department of Dermatology, Warren Alpert Medical School of Brown University, Providence, RI, USA.,Department of Epidemiology, School of Public Health, Brown University, Providence, RI, USA.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.,Department of Dermatology, Rhode Island Hospital, Providence, RI, USA
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30
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Sohn S, Bang M, Cho E. WPSI-3 Characteristics of the feather developing pattern of early-feathering chicks and late-feathering chicks. J Anim Sci 2018. [DOI: 10.1093/jas/sky404.1119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- S Sohn
- Gyeongnam National University of Science and Technology,Jinju, Republic of Korea
| | - M Bang
- Gyeongnam National University of Science and Technology,Jinju, South Korea
| | - E Cho
- Gyeongnam National University of Science and Technology,Jinju, South Korea
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31
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Higgins HW, Cho E, Weinstock MA, Li TY, Qureshi A, Li WQ. Gender differences, UV exposure and risk of lentigo maligna in a nationwide healthcare population cohort study. J Eur Acad Dermatol Venereol 2018; 33:1268-1271. [PMID: 30451319 DOI: 10.1111/jdv.15348] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 11/06/2018] [Indexed: 11/28/2022]
Abstract
BACKGROUND Our understanding of the relationship between ultraviolet (UV) radiation exposure and lentigo maligna (LM) has been largely derived from epidemiologic/clinical studies based on invasive melanoma. Recent studies have shown gender differences in melanocytic tumours incidence. OBJECTIVE To examine the association of UV light with LM by gender remains unclear. METHODS Two prospective cohort study [Nurses' Health Study (1980-2012)] and [Health Professionals Follow-up Study (1986-2010)] were analysed. All participants with LM or MIS, non-LM type were included in analysis. UV index at birth, age 15, and age 30 were calculated by gender. Lifetime UV flux was calculated. Hazard ratios (HRs) were calculated. RESULTS A total of 110 485 women from NHS and 41 015 men from HPFS were examined. A total of 281 LM and 776 melanoma in situ (MIS), non-LM cases were reported. Risk of LM increased with increasing UV flux exposure in multivariate-adjusted models for men (P for trend = 0.04), but not for women (P for trend = 0.91). CONCLUSIONS UV flux may be associated with LM in men but not in women.
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Affiliation(s)
- H W Higgins
- Department of Dermatology, Warren Alpert Medical School, Brown University, Providence, RI, USA
| | - E Cho
- Department of Dermatology, Warren Alpert Medical School, Brown University, Providence, RI, USA.,Department of Epidemiology, School of Public Health, Brown University, Providence, RI, USA.,Center for Dermatoepidemiology, VA Medical Center, Providence, RI, USA
| | - M A Weinstock
- Department of Dermatology, Warren Alpert Medical School, Brown University, Providence, RI, USA.,Department of Epidemiology, School of Public Health, Brown University, Providence, RI, USA.,Center for Dermatoepidemiology, VA Medical Center, Providence, RI, USA
| | - T Y Li
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - A Qureshi
- Department of Dermatology, Warren Alpert Medical School, Brown University, Providence, RI, USA.,Department of Epidemiology, School of Public Health, Brown University, Providence, RI, USA
| | - W Q Li
- Department of Dermatology, Warren Alpert Medical School, Brown University, Providence, RI, USA.,Department of Epidemiology, School of Public Health, Brown University, Providence, RI, USA
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Min D, Cho E. RISK FACTORS FOR UNDERDIAGNOSIS OF DIABETES: BASED ON THE KOREAN NATIONAL HEALTH AND NUTRITION EXAMINATION SURVEY. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- D Min
- Yonsei University College of Nursing
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Cho E, Min D, Lee K, Kim J, Chang S, Kim H, Kim S. DEVELOPMENT AND VALIDATION OF AN INSTRUMENT TO MEASURE NURSING HOME WORK ENVIRONMENT FOR NURSES. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.1978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
| | - D Min
- Yonsei University College of Nursing
| | - K Lee
- Tongmyong University Department of Nursing
| | - J Kim
- Seoil University Department of Nursing
| | - S Chang
- Woosuk university Department of Nursing
| | - H Kim
- Seoulnational University College of Nursing
| | - S Kim
- The University of North Carolina at Chapel Hill School of Nursing
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Cho E, Kim Y, Yoon J, Kim S, Kim D, Kang B. Genetic toxicological comparison of Extract of Acer tegmentosum. Toxicol Lett 2018. [DOI: 10.1016/j.toxlet.2018.06.762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Gensheimer M, Henry A, Wood D, Hastie T, Aggarwal S, Dudley S, Pradhan P, Banerjee I, Cho E, Ramchandran K, Pollom E, Koong A, Rubin D, Chang D. Automated survival prediction in metastatic cancer patients using high-dimensional electronic medical record data. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy295.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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36
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Drucker A, Cho E, Li W, Camargo C, Li T, Qureshi A. 237 Validating self-reported atopic dermatitis in a large cohort of US women. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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37
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Lee H, Jung S, Thompson J, Qureshi A, Cho E. 319 Racial characteristics of alopecia areata in the US from the National Alopecia Areata Registry. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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38
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Geng H, Cho E, Qureshi A, Li W. 284 Hair color and risk of keratinocyte carcinoma in US women and men. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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39
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Guo A, Sarkar I, Chen E, Walker J, Stey P, Li W, Cho E, Qureshi A. 329 Impact of ultraviolet exposure on merkel cell carcinoma long-term survival. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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40
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Fitch K, Cho E, Goldstein A, Weinstock M, Qureshi A, Li W. 308 Host characteristics and risk of atypical nevi. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Schapiro AC, Bayda M, Cho E, Cox R, Stickgold R. 0109 Generalization In An Object Category Learning Paradigm Is Better In The Morning Than The Evening. Sleep 2018. [DOI: 10.1093/sleep/zsy061.108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- A C Schapiro
- Beth Israel Deaconess Medical Center / Harvard Medical School, Boston, MA
| | - M Bayda
- Beth Israel Deaconess Medical Center / Harvard Medical School, Boston, MA
| | - E Cho
- Beth Israel Deaconess Medical Center / Harvard Medical School, Boston, MA
| | - R Cox
- Beth Israel Deaconess Medical Center / Harvard Medical School, Boston, MA
| | - R Stickgold
- Beth Israel Deaconess Medical Center / Harvard Medical School, Boston, MA
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Park S, Oh C, Kong SY, Kim M, Yoon KA, Cho E, Jang JH, Lee J, Ryoo BY. Biomarker analysis using circulating tumor DNA in patients treated with sorafenib for advanced hepatocellular carcinoma. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx363.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Yen H, Dhana A, Okhovat JP, Qureshi A, Keum N, Cho E. Alcohol intake and risk of nonmelanoma skin cancer: a systematic review and dose-response meta-analysis. Br J Dermatol 2017; 177:696-707. [PMID: 28745396 DOI: 10.1111/bjd.15647] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/01/2017] [Indexed: 12/12/2022]
Abstract
Nonmelanoma skin cancer (NMSC) comprises mainly basal cell carcinoma (BCC) and cutaneous squamous cell carcinoma (cSCC). The association between alcohol intake and NMSC has been inconclusive; therefore the objective of this study is to quantify the relationship between alcohol intake and NMSC using meta-analyses. A systematic literature search of PubMed and Embase was performed on 30 October 2016. Eligible articles were case-control or cohort studies that examined alcohol intake and risk of BCC or cSCC and reported relative risks (RRs) with 95% confidence intervals (CIs). Of the 307 articles identified, 13 case-control and cohort studies were included in the systematic review, including 95 241 NMSC cases (91 942 BCC and 3299 cSCC cases). A random-effects model was used to obtain summary RRs and 95% CIs for dose-response meta-analyses. For every 10-gram increase in ethanol intake per day, a positive association was found for both BCC (summary RR of 1·07; 95% CI 1·04-1·09) and cSCC (summary RR of 1·11; 95% CI 1·06-1·16). While there was evidence suggesting a nonlinear association for BCC, it may be due to the sparse data at higher alcohol intake levels. This meta-analysis found evidence that alcohol drinking is positively associated with both BCC and cSCC risk in a dose-dependent manner. These results should be interpreted with caution due to potential residual confounding. Nonetheless, because alcohol drinking is a prevalent and modifiable behaviour, it could serve as an important public health target to reduce the global health burden of NMSC.
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Affiliation(s)
- H Yen
- Harvard T.H. Chan School of Public Health, Boston, MA, U.S.A.,National Cheng Kung University Hospital and College of Medicine, Tainan, Taiwan
| | - A Dhana
- Harvard T.H. Chan School of Public Health, Boston, MA, U.S.A.,Division of Dermatology, Groote Schuur Hospital and University of Cape Town, Cape Town, South Africa
| | - J-P Okhovat
- Harvard T.H. Chan School of Public Health, Boston, MA, U.S.A.,Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, U.S.A
| | - A Qureshi
- Department of Dermatology, The Warren Alpert Medical School, Brown University, Providence, RI, U.S.A.,Department of Epidemiology, School of Public Health, Brown University, Providence, RI, U.S.A.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, U.S.A
| | - N Keum
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, U.S.A
| | - E Cho
- Department of Dermatology, The Warren Alpert Medical School, Brown University, Providence, RI, U.S.A.,Department of Epidemiology, School of Public Health, Brown University, Providence, RI, U.S.A.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, U.S.A
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Cho E, Chen T. LONGITUDINAL RELATIONSHIP BETWEEN WORK-FAMILY EXPERIENCES AND HEALTH AMONG OLDER WORKERS. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.2030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- E. Cho
- Nanyang Technological University, Singapore, Singapore
| | - T. Chen
- Duke-NUS Medical School, Singapore, Singapore,
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Park MK, Li W, Paek SY, Li X, Wu S, Li T, Qureshi AA, Cho E. Consumption of polyunsaturated fatty acids and risk of incident psoriasis and psoriatic arthritis from the Nurses' Health Study II. Br J Dermatol 2017; 177:302-306. [PMID: 27628705 DOI: 10.1111/bjd.15059] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- M K Park
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, RI, U.S.A
| | - W Li
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, RI, U.S.A.,Department of Epidemiology, Brown School of Public Health, Providence, RI, U.S.A.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA, U.S.A
| | - S Y Paek
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, RI, U.S.A
| | - X Li
- Department of Epidemiology, Harvard T.H Chan School of Public Health, Boston, MA, U.S.A
| | - S Wu
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, China
| | - T Li
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, U.S.A
| | - A A Qureshi
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, RI, U.S.A.,Department of Epidemiology, Brown School of Public Health, Providence, RI, U.S.A.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA, U.S.A
| | - E Cho
- Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, RI, U.S.A.,Department of Epidemiology, Brown School of Public Health, Providence, RI, U.S.A.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA, U.S.A
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Wong V, Park M, Li W, Sachar M, Huang V, Harris J, Li T, Cho E, Qureshi A. 816 Acetaminophen use and vitiligo risk. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Drucker AM, Thompson JM, Li WQ, Cho E, Li T, Guttman-Yassky E, Qureshi AA. Incident alopecia areata and vitiligo in adult women with atopic dermatitis: Nurses' Health Study 2. Allergy 2017; 72:831-834. [PMID: 28101886 DOI: 10.1111/all.13128] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/13/2017] [Indexed: 01/15/2023]
Abstract
We aimed to determine the risk of alopecia areata (AA) and vitiligo associated with atopic dermatitis (AD) in a large cohort of US women, the Nurses' Health Study 2. We used logistic regression to calculate age- and multivariate-adjusted odds ratios to determine the risk of incident AA and vitiligo associated with AD diagnosed in or before 2009. A total of 87 406 and 87 447 participants were included in the AA and vitiligo analyses, respectively. A history of AD in 2009 was reported in 11% of participants. There were 147 incident cases of AA and 98 incident cases of vitiligo over 2 years of follow-up. AD was associated with increased risk of developing AA (OR 1.80, 95% CI 1.18-2.76) and vitiligo (OR 2.14, 95% CI 1.29-3.54) in multivariate models. In this study of US women, AD was associated with increased risk of incident vitiligo and AA in adulthood.
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Affiliation(s)
- A. M. Drucker
- Department of Dermatology; Warren Alpert Medical School; Providence RI USA
- Department of Dermatology; Rhode Island Hospital; Providence RI USA
| | - J. M. Thompson
- Department of Dermatology; Warren Alpert Medical School; Providence RI USA
| | - W.-Q. Li
- Department of Dermatology; Warren Alpert Medical School; Providence RI USA
- Department of Epidemiology; School of Public Health; Brown University; Providence RI USA
| | - E. Cho
- Department of Dermatology; Warren Alpert Medical School; Providence RI USA
- Department of Epidemiology; School of Public Health; Brown University; Providence RI USA
- Channing Division of Network Medicine; Department of Medicine; Brigham and Women's Hospital and Harvard Medical School; Boston MA USA
| | - T. Li
- Channing Division of Network Medicine; Department of Medicine; Brigham and Women's Hospital and Harvard Medical School; Boston MA USA
| | - E. Guttman-Yassky
- Laboratory for Investigative Dermatology; Rockefeller University; New York NY USA
- Department of Dermatology and the Laboratory for Inflammatory Skin Diseases; Icahn School of Medicine at Mount Sinai; New York NY USA
| | - A. A. Qureshi
- Department of Dermatology; Warren Alpert Medical School; Providence RI USA
- Department of Dermatology; Rhode Island Hospital; Providence RI USA
- Department of Epidemiology; School of Public Health; Brown University; Providence RI USA
- Channing Division of Network Medicine; Department of Medicine; Brigham and Women's Hospital and Harvard Medical School; Boston MA USA
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Kim J, Park M, Li W, Qureshi A, Cho E. 089 Intake of vitamin A and carotenoids in relation to risk of cutaneous SCC in US adults. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Geng H, Cho E, Drucker A, Parulkar I, Qureshi A, Li W. 193 Reproductive and hormonal factors and risk of rosacea in US women. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Thompson J, Park M, Huang K, Mirza M, Qureshi A, Cho E. 230 Comorbid diseases and risk of alopecia areata amongst US women. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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