Research Topics
| J W HoganSummaryAffiliation: Brown University Country: USA Publications
Research Grants
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Detail Information
Publications
A clinician-nurse model to reduce early mortality and increase clinic retention among high-risk HIV-infected patients initiating combination antiretroviral treatmentPaula Braitstein
Indiana University, School of Medicine, 1001 West 10th Street, OPW M200, Indianapolis, IN 46202, USA
J Int AIDS Soc 15:7. 2012..The objective of this study was to evaluate the effect on survival and clinic retention of a nurse-based rapid assessment clinic for high-risk individuals initiating cART in a resource-constrained setting...
Increasing efficiency from censored survival data by using random effects to model longitudinal covariatesJ W Hogan
Center for Statistical Sciences, Brown University, Providence, RI 02912, USA
Stat Methods Med Res 7:28-48. 1998..Our simulation study, which mimics characteristics of the clinical trial, indicates that much larger gains in efficiency can be realized under heavier censoring or with studies designed for long term follow up on survival...- Instrumental variables and inverse probability weighting for causal inference from longitudinal observational studiesJoseph W Hogan
Center for Statistical Sciences, Department of Community Health, Box G H, Brown University, Providence, RI 02912, USA
Stat Methods Med Res 13:17-48. 2004..It also suggests that IV methodology may have a role in longitudinal cohort studies where potential instrumental variables are available... - Hierarchical logistic regression models for clustered binary outcomes in studies of IVF-ETJ W Hogan
Brown University School of Medicine, Providence, Rhode Island 02912, USA
Fertil Steril 73:575-81. 2000..In studies of IVF-ET, where clustered data are common, unexplained heterogeneity can be substantial. In this setting, hierarchical logistic regression is an appropriate alternative to standard logistic regression... - Estimating causal effects from multiple cycle data in studies of in vitro fertilizationJoseph W Hogan
Center for Statistical Sciences and Department of Community Health, Brown University, Box G H, Providence, RI 02912, USA
Stat Methods Med Res 15:195-209. 2006..Key assumptions are reviewed, and inference based on weighted estimating equations is described in detail. The methods are applied to a study of the effects of hydrosalpinx among women with tubal disease undergoing IVF-ET... - A randomized clinical trial of community-based directly observed therapy as an adherence intervention for HAART among substance usersGrace E Macalino
Arthur Ashe Institute for Urban Health, Brown University, Providence, RI, USA
AIDS 21:1473-7. 2007..Adherence interventions for HAART can impact challenging populations, such as active substance users. Community-based modified directly observed therapy (MDOT) is a promising approach that needs to be critically evaluated... - Prevalence of lower genital tract infections among human immunodeficiency virus (HIV)-seropositive and high-risk HIV-seronegative women. HIV Epidemiology Research Study GroupS Cu-Uvin
Brown University, Providence, Rhode Island, USA
Clin Infect Dis 29:1145-50. 1999..Our study showed no statistically significant difference in the prevalence of lower genital tract infections except for HPV between HIV-infected and demographically and behaviorally similar HIV-uninfected high-risk women... - Midpregnancy serum C-peptide concentration and subsequent pregnancy-induced hypertensionI Yasuhi
Department of Obstetrics and Gynecology, Brown University School of Medicine, Providence, Rhode Island, USA
Diabetes Care 24:743-7. 2001.... - A statewide assessment of lead screening histories of preschool children enrolled in a Medicaid managed care programP M Vivier
Department of Pediatrics, Brown University, Providence, Rhode Island, USA
Pediatrics 108:E29. 2001..The study also examined the prevalence of and risk factors for lead poisoning of children who had been screened... - The effect of a Medicaid managed care program on the adequacy of prenatal care utilization in Rhode IslandJ F Griffin
MCH Evaluation, Inc, Barrington, RI 02806, USA
Am J Public Health 89:497-501. 1999..The purpose of this study was to determine whether adequacy of prenatal care utilization improved after the implementation of a Medicaid managed care program in Rhode Island... - Mixtures of varying coefficient models for longitudinal data with discrete or continuous nonignorable dropoutJoseph W Hogan
Center for Statistical Sciences, Department of Community Health, Brown University, Box G H, Providence, Rhode Island 02912, USA
Biometrics 60:854-64. 2004..The model is used to analyze data from a recent AIDS clinical trial and its performance is evaluated using simulations... - Longitudinal study of the inception of perimenopause in relation to lifetime history of sexual or physical violenceJenifer E Allsworth
Department of Community Health, Brown Medical School, Providence, RI 02912, USA
J Epidemiol Community Health 58:938-43. 2004..To investigate of the extent to which violence over the life course accelerates the onset of perimenopause, as measured by menstrual changes... - Predictors of quitting and dropout among women in a clinic-based smoking cessation programBelinda Borrelli
Center for Behavioral and Preventive Medicine, The Miriam Hospital and Brown University School of Medicine, Providence, Rhode Island 02903, USA
Psychol Addict Behav 16:22-7. 2002..Patterns of smoking, dropping out, and quitting between Weeks 5 and 12 were different between exercisers and controls. Dropouts should be considered as a separate category from smokers... - Handling drop-out in longitudinal studiesJoseph W Hogan
Department of Community Health, Brown University, Providence, RI 02912, USA
Stat Med 23:1455-97. 2004..Analyses of incomplete data requires making unverifiable assumptions, and these are discussed in detail within the context of each application. Relevant SAS code is provided... - Drug use patterns over time among HIV-seropositive and HIV-seronegative women: the HER study experienceGrace E Macalino
Brown University Medical School, Providence, Rhode Island 02912, USA
J Acquir Immune Defic Syndr 33:500-5. 2003..Alternatively, increased drug use may occur due to depression associated with being HIV infected, leading to despair, hopelessness, and a lack of motivation to become drug free... - Clinical and immunologic progression in HIV-infected US women before and after the introduction of highly active antiretroviral therapyKenneth H Mayer
Miriam Hospital and dagger Brown University, Providence, Rhode Island 02906, USA
J Acquir Immune Defic Syndr 33:614-24. 2003..To examine factors associated with clinical and immunologic HIV disease progression in a cohort of US women... - Serum triple-marker screening in in vitro fertilization and naturally conceived pregnanciesG N Frishman
Department of Obstetrics and Gynecology, Women and Infants Hospital, Providence, Rhode Island, USA
Obstet Gynecol 90:98-101. 1997.... - Association between bacterial vaginosis and expression of human immunodeficiency virus type 1 RNA in the female genital tractS Cu-Uvin
Department of Obstetrics and Gynecology, Brown University, Providence, RI 02906, USA
Clin Infect Dis 33:894-6. 2001..Bacterial vaginosis was significantly associated with HIV-1 RNA expression in the female genital tract of HIV-infected women... - A longitudinal analysis of hospitalization and emergency department use among human immunodeficiency virus-infected women reporting protease inhibitor useK T Tashima
Miriam Hospital Brown University, Providence, RI, 02906, USA
Clin Infect Dis 33:2055-60. 2001..33-0.89; for ER visits: RR, 0.38; 95% CI, 0.24-0.61). Other factors associated with increased hospitalization and ER use included history of injection drug use, low CD4 cell counts, and high virus loads... - Changes in total lymphocyte count as a surrogate for changes in CD4 count following initiation of HAART: implications for monitoring in resource-limited settingsAnish P Mahajan
School of Medicine, Brown University, Providence, RI, 02906, USA
J Acquir Immune Defic Syndr 36:567-75. 2004..Findings from the regression model suggest that taking multiple measurements of TLC at more frequent intervals may reduce variability and potentially improve predictive accuracy... - Prevalence, incidence, and persistence or recurrence of trichomoniasis among human immunodeficiency virus (HIV)-positive women and among HIV-negative women at high risk for HIV infectionSusan Cu-Uvin
Brown University, Providence, RI, USA
Clin Infect Dis 34:1406-11. 2002..HIV infection does not make a woman more likely to have prevalent, incident, or persistent or recurrent trichomoniasis... - Amniotic fluid insulin at 14-20 weeks' gestation: association with later maternal glucose intolerance and birth macrosomiaM W Carpenter
Department of Obstetrics and Gynecology, Brown University School of Medicine, Providence, Rhode Island, USA
Diabetes Care 24:1259-63. 2001..To examine the hypothesis that early second trimester amniotic fluid (AF) insulin concentration is elevated and later fetal growth is augmented in gravidas demonstrating later oral glucose intolerance... - Age and the role of symptomatology in readiness to quit smokingM A Clark
Department of Community Health, Brown University, Providence, RI 02912, USA
Addict Behav 24:1-16. 1999..Findings from this study indicate a symptom-based approach to smoking cessation may be a useful strategy, especially in provider-based interventions... - Lower syringe sharing and re-use after syringe legalization in Rhode IslandJosiah D Rich
The Miriam Hospital, 164 Summit Avenue, Providence, RI 02906, USA
Drug Alcohol Depend 89:292-7. 2007..Laws and policies that increase legal syringe availability can decrease injection related transmission of HIV and other infectious diseases... - The use of community-based modified directly observed therapy for the treatment of HIV-infected personsJennifer A Mitty
The Brown University Medical School and the Miriam Hospital, Providence, RI 02906, USA
J Acquir Immune Defic Syndr 39:545-50. 2005..These results support that MDOT should be included in the spectrum of options available to enhance adherence to HAART among patients who are unsuccessful with self-administration of their medications... - Step into Motion: a randomized trial examining the relative efficacy of Internet vs. print-based physical activity interventionsBess H Marcus
The Miriam Hospital and Brown Medical School, Providence, RI 02903, USA
Contemp Clin Trials 28:737-47. 2007..This study will have implications for the dissemination of Internet-based physical activity interventions... - Predictors of the initiation of HIV postexposure prophylaxis in Rhode Island emergency departmentsRoland C Merchant
Departments of Emergency Medicine and Community Health, Brown Medical School, Providence, Rhode Island 02903, USA
AIDS Patient Care STDS 22:41-52. 2008..ED providers should ensure that these factors do not inappropriately restrict its initiation... - Principal stratification with predictors of compliance for randomized trials with 2 active treatmentsJason Roy
Center for Health Research, Geisinger Health System, Danville, PA, USA
Biostatistics 9:277-89. 2008..We illustrate our methods in both a simulation study and an analysis of data from a smoking cessation trial... - Estimating causal treatment effects from longitudinal HIV natural history studies using marginal structural modelsHyejin Ko
Samsung SDS, Ltd, 707 19, Yoksam Dong, Kangnam Gu, Seoul 135 918, South Korea
Biometrics 59:152-62. 2003..The findings from our analysis are consistent with recent treatment guidelines set by the U.S. Panel of the International AIDS Society (Carpenter et al., 2000, Journal of the American Medical Association 280, 381-391)... - Overweight and human immunodeficiency virus (HIV) progression in women: associations HIV disease progression and changes in body mass index in women in the HIV epidemiology research study cohortClara Y Jones
Department of Family Medicine and Community Health, Tufts University School of Medicine, Boston, Massachusetts, USA
Clin Infect Dis 37:S69-80. 2003..Higher BMI and increases in BMI are associated with a decreased risk of HIV progression... - Human papillomavirus capsid antibody response to natural infection and risk of subsequent HPV infection in HIV-positive and HIV-negative womenRaphael P Viscidi
Johns Hopkins Hospital, Blalock Room 1105, 600 North Wolfe Street, Baltimore, MD 21287, USA
Cancer Epidemiol Biomarkers Prev 14:283-8. 2005..0-2.0). The lack of a protective immune effect from natural infection is most likely due to the low level of antibody elicited by natural HPV infection and/or the potential for reactivation of HPV, especially in HIV-positive women... - Serum estradiol positively predicts outcomes in patients undergoing in vitro fertilizationAndrew S Blazar
Fertil Steril 81:1707-9. 2004..In patients undergoing in vitro fertilization, the presence of higher E(2) levels at the time of hCG administration predict a greater likelihood of ongoing pregnancy...
Research Grants
- Analyzing Multiple Process Data in Studies of HIV/AIDSJoseph Hogan; Fiscal Year: 2003....
- Analyzing Complex Longitudinal Data in Behavior SciencesJoseph Hogan; Fiscal Year: 2006..All of the methods will be developed on and applied to data from recently completed or ongoing trials in behavioral medicine, particularly in smoking cessation and weight change, run by recognized leaders in the field. ..