Rabbani, Juleon
Expertise in group (race/ethnicity, gender, sexual orientation) differences and disparities in health risk factors, and biostatistics
Armstrong, Mary Anne
Research interests include alcohol and health and perinatal substance abuse.
Trends in Diabetes Screening, Risk Factors and Incidence Before and After the SARS-CoV-2 Pandemic Between the California Medi-Cal and Commercially-Insured Populations
Using quasi-experimental research methods, this study is assessing the extent to which disparities in type 2 diabetes prevention and outcomes…
Lessons from a mature acellular pertussis vaccination program and strategies to overcome suboptimal vaccine effectiveness
Despite high vaccination coverage among children and adolescents, pertussis remains a public health problem, with large outbreaks occurring periodically in…
Consequences of depletion of susceptibles for hazard ratio estimators based on propensity scores
We use simulated data to examine the consequences of depletion of susceptibles for hazard ratio (HR) estimators based on a…
History of Early Childhood Infections and Acute Lymphoblastic Leukemia Risk Among Children in a U.S. Integrated Health Care System
Surrogate measures of infectious exposures have been consistently associated with lower childhood acute lymphoblastic leukemia (ALL) risk. However, recent reports…
Increased Risk of Colorectal Cancer in Individuals With a History of Serrated Polyps
Serrated polyp (SPs) are precursors to 20% to 30% of cases of colorectal tumors, but patients' long-term risk after removal…
Inverse probability weighted Cox model in multi-site studies without sharing individual-level data
The inverse probability weighted Cox proportional hazards model can be used to estimate the marginal hazard ratio. In multi-site studies,…
Exploiting nonsystematic covariate monitoring to broaden the scope of evidence about the causal effects of adaptive treatment strategies
In studies based on electronic health records (EHR), the frequency of covariate monitoring can vary by covariate type, across patients,…
Long-term Risk of Colorectal Cancer and Related Death After Adenoma Removal in a Large, Community-based Population
The long-term risks of colorectal cancer (CRC) and CRC-related death following adenoma removal are uncertain. Data are needed to inform…
Use of Time-Dependent Propensity Scores to Adjust Hazard Ratio Estimates in Cohort Studies with Differential Depletion of Susceptibles
Estimating hazard ratios (HR) presents challenges for propensity score (PS)-based analyses of cohorts with differential depletion of susceptibles. When the…
A primer on quantitative bias analysis with positive predictive values in research using electronic health data
In health informatics, there have been concerns with reuse of electronic health data for research, including potential bias from incorrect…
Privacy-Protecting Analytical Methods Using Only Aggregate-Level Information to Conduct Multivariable-Adjusted Analysis in Distributed Data Networks
Distributed data networks enable large-scale epidemiologic studies, but protecting privacy while adequately adjusting for a large number of covariates continues…
Visual outcomes after cataract surgery in patients with type 2 diabetes
To assess the relation between diabetic retinopathy (DR) severity, duration of diabetes, insulin dependence, and preoperative hemoglobin A1c (HbA1c) with…
Lifecourse Health, Cerebral Pathology, and Ethnic Disparities in Dementia
Although there are marked ethnic disparities in rates of dementia, almost nothing is known about early-life contributors to dementia in…
Long-term Risk of Colorectal Cancer and Related Deaths After a Colonoscopy With Normal Findings
Guidelines recommend a 10-year rescreening interval after a colonoscopy with normal findings (negative colonoscopy results), but evidence supporting this recommendation…
Birth in High Infant Mortality States and Dementia Risk in a Cohort of Elderly African American and White Health Care Members
Birth in areas with high infant mortality rates (IMRs) has been linked to worse long-term health outcomes, yet it is…
Potential Effects Of Eliminating The Individual Mandate Penalty In California
The tax penalty for noncompliance with the Affordable Care Act's individual mandate is to be eliminated starting in 2019. We…
Kidney function, proteinuria and breast arterial calcification in women without clinical cardiovascular disease: The MINERVA study
Breast arterial calcification (BAC) may be a predictor of cardiovascular events and is highly prevalent in persons with end-stage kidney…
Recurrence after hospitalization for acute coronary syndrome among HIV-infected and HIV-uninfected individuals
We evaluated the association of HIV infection and immunodeficiency with acute coronary syndrome (ACS) recurrence, and with all-cause mortality as…
Central Obesity Increases the Risk of Gestational Diabetes Partially Through Increasing Insulin Resistance
This study examined the associations of central obesity measures, waist to hip ratio (WHR) and waist circumference (WC), in early…
Examining the role of access to care: Racial/ethnic differences in receipt of resection for early-stage non-small cell lung cancer among integrated system members and non-members
To examine the role of uniform access to care in reducing racial/ethnic disparities in receipt of resection for early stage…
Effects of Organized Colorectal Cancer Screening on Cancer Incidence and Mortality in a Large, Community-based Population
Little information is available on the effectiveness of organized colorectal cancer (CRC) screening on screening uptake, incidence, and mortality in…
Use of non-steroidal anti-inflammatory drugs during pregnancy and the risk of miscarriage
Nonsteroidal antiinflammatory drugs are among the medications most widely used by pregnant women, and previous studies have reported an increased…
Comparison of privacy-protecting analytic and data-sharing methods: A simulation study
Privacy-protecting analytic and data-sharing methods that minimize the disclosure risk of sensitive information are increasingly important due to the growing…
Helicobacter pylori Infection Is Associated With Reduced Risk of Barrett’s Esophagus: An Analysis of the Barrett’s and Esophageal Adenocarcinoma Consortium
Epidemiological studies of Helicobacter pylori infection and risk of Barrett's esophagus (BE) have reported conflicting results. We examined the association…
An Observational Study of Cardiovascular Risks Associated with Rheumatoid Arthritis Therapies: A Comparison of Two Analytical Approaches
Comparative safety studies typically use hierarchical treatment categories that lump monotherapy and combination therapy. The consequence of this approach on…
Pilot test of sequential PSM capabilities, using ACEI/Beta Blockers-angioedema
Task order of Mini-Sentinel Initiative.
Evaluation of propensity scores, disease risk scores, and regression in confounder adjustment for the safety of emerging treatment with group sequential monitoring
The objective of this study was to evaluate regression, matching, and stratification on propensity score (PS) or disease risk score…
Balancing Score Adjusted Targeted Minimum Loss-based Estimation
Adjusting for a balancing score is sufficient for bias reduction when estimating causal effects including the average treatment effect and…
High-dimensional propensity score algorithm in comparative effectiveness research with time-varying interventions
The high-dimensional propensity score (hdPS) algorithm was proposed for automation of confounding adjustment in problems involving large healthcare databases. It…
Network meta-analysis incorporating randomized controlled trials and non-randomized comparative cohort studies for assessing the safety and effectiveness of medical treatments: challenges and opportunities
Network meta-analysis is increasingly used to allow comparison of multiple treatment alternatives simultaneously, some of which may not have been…
Integrating database knowledge and epidemiological design to improve the implementation of data mining methods that evaluate vaccine safety in large healthcare databases
Large healthcare databases maintained by health plans have been widely used to conduct customized protocol-based epidemiological safety studies as well…
Do Medicare Advantage plans select enrollees in higher margin clinical categories?
The CMS-HCC risk adjustment system for Medicare Advantage (MA) plans calculates weights, which are effectively relative prices, for beneficiaries with…
Multivariable confounding adjustment in distributed data networks without sharing of patient-level data
It is increasingly necessary to analyze data from multiple sources when conducting public health safety surveillance or comparative effectiveness research.…
Confounding adjustment in comparative effectiveness research conducted within distributed research networks
BACKGROUND: A distributed research network (DRN) of electronic health care databases, in which data reside behind the firewall of each…
Targeted maximum likelihood estimation in safety analysis
OBJECTIVES: To compare the performance of a targeted maximum likelihood estimator (TMLE) and a collaborative TMLE (CTMLE) to other estimators…
Challenges in the design and analysis of sequentially monitored postmarket safety surveillance evaluations using electronic observational health care data
PURPOSE: Many challenges arise when conducting a sequentially monitored medical product safety surveillance evaluation using observational electronic data captured during…
Design considerations in an active medical product safety monitoring system
Active medical product monitoring systems, such as the Sentinel System, will utilize electronic healthcare data captured during routine health care.…
When should case-only designs be used for safety monitoring of medical products?
PURPOSE: To assess case-only designs for surveillance with administrative databases. METHODS: We reviewed literature on two designs that are observational…
A predictive model to help identify intimate partner violence based on diagnoses and phone calls
BACKGROUND: Intimate partner violence (IPV) is a significant health problem but goes largely undiagnosed, undisclosed, and clinically undocumented. PURPOSE: To…
Impact of the use of heptavalent pneumococcal conjugate vaccine on disease epidemiology in children and adults
Pneumococcal conjugate vaccine was introduced for routine use in infants and toddlers in the United States in March 2000. We…
TPMG Northern California appointments and advice call center
Kaiser Permanente (KP) has been developing its use of call centers as a way to provide an expansive set of…
