Barry P. Katz
Professor Emeritus
at Indiana University (IU)
📚 Professor Emeritus at Indiana University School of Medicine
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Indianapolis, Indiana, United States
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👤 About
The Barry P. Katz Lectureship in Biostatistics and Health Data Science was established to honor and recognize the many contributions of Barry P. Katz, Professor Emeritus of the Department of Biostatistics and Health Data Science at the Indiana University School of Medicine and the Richard M. Fairbanks School of Public Health. The lecture is made possible in large part by the generous support of Barry, his wife May, and his colleagues and friends.
Barry P. Katz grew up in the Bronx and Albany, New York. He completed his undergraduate studies at the State University of New York at Binghamton, where he received a Bachelor of Arts degree in Mathematics in 1977. He enrolled the graduate program at the University of Michigan and received his MPH in biostatistics in 1979 and worked for two years as the sole biostatistician at an environmental engineering firm in Pearl River, NY. This was actually his second choice for employment after his application to be the statistician for the New York Yankees was unsuccessful. He was clearly ahead of his time as now almost all professional sports teams have an analytics department. Dr. Katz returned to Michigan in 1981 and completed his PhD in biostatistics in 1984. His enthusiasm for sports has never wavered, and his geographic journey has led him to ardently follow the Yankees, University of Michigan football and basketball, the Indiana Pacers, and the Indianapolis Colts.
When he arrived at IU School of Medicine in 1984, Barry was one of three biostatisticians in the entire school. They would eventually coalesce into the Biostatistics Group, then a part of the Regenstrief Institute. The group grew into a fledgling division within the Department of Medicine, and Dr. Katz became division head in 1995. Since then, the biostatistics program at IU School of Medicine has grown in leaps and bounds, and when it became a full-fledged department in 2011, Dr. Katz was the natural choice to be chairman. In 2012, his leadership expanded at IU, when the Fairbanks School of Public Health was founded at IU Indianapolis. Dr. Katz became chair of a department shared between the School of Medicine and the School of Public Health. In this capacity, Dr. Katz was involved in creating numerous academic programs, including the Master of Public Health, Master of Science in Biostatistics, BS in Health Data Science, and PhD in Biostatistics (in collaboration with the Department of Mathematical Science), all currently offered through the Fairbanks School of Public Health.
Biostatistics is by nature a collaborative field, and Dr. Katz’s career has touched nearly every aspect of medicine and public health. He was the director of the Biostatistics Core for several research centers focused on sexually transmitted infections, most recently both the Midwest STD Research Center and the Mid-America Adolescent STD Research Center, projects with NIH funding that involve researchers from multiple universities. The latter was the only center focused on adolescents ever funded. He also headed the Biostatistics Cores for several iterations of the IU Multipurpose Arthritis Center (MAC) Working closely with the IU School of Dentistry, he has been part of several studies on the development of dental caries, more commonly known as cavities. For 10 years Dr. Katz also directed the Biostatistics Core for the Medical Countermeasures against Radiological Threats (MCART) focused on developing drugs to treat radiation exposure with investigators at multiple universities and the United Kingdom. On a national level, Dr. Katz has made numerous contributions to the CARE Consortium, a massive concussion study stretching across 30 universities with funding from the NCAA and the US Department of Defense. He has over 275 publications. For his contributions to the field, Dr. Katz was in 2016 named a Fellow of the American Statistical Association (ASA), the nation’s preeminent professional statistical society.
Barry’s contributions to research, collaboration, and education at Indiana University and beyond over the years have been tremendous and impactful. He is a friend to all and a mentor to many. Barry and his wife May, family members, many colleagues past and present, and former students continue to support his desire to facilitate the conduct of consequential research in the Department of Biostatistics and Health Data Science. Through their generosity, including a substantial donation from the Regenstrief Institute, an endowment was established which brings talented and internationally recognized experts in biostatistics and health data science to Indianapolis, the Indiana University School of Medicine, and the Richard M. Fairbanks School of Public Health.
Skills & Expertise
public health
biostatistics
Research Interests
Biostatistics
Oral Biology
Health Data Science
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💼 Experience
Professor Emeritus
Indiana University (IU)
·
March 1984 -
Present
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📚 Publications (17)
Journal: Archives of Pediatrics & Adolescent Medicine
• November-2011
Objective To evaluate the role of self-efficacy, anticipated negative consequences, and relationship quality in patient-initiated sex partner notification following treatment for sexually transmitted...
Self-efficacy
Relationship quality
Partner notification
Sexually transmitted infections
Adolescents
Gonorrhea
Chlamydia
Trichomonas
Urethritis
Partner communication
Patient-initiated notification
Sexual health
Adolescent health
Public health
Stis
Healthcare interventions
Emotional ties
Communication skills
Journal: Sexually Transmitted Diseases
• November-2009
Background:
Testing for herpes simplex virus type 2 (HSV-2) antibody is not common in clinical practice. Client characteristics associated with HSV-2 rapid antibody test uptake and test positivity w...
Hsv-2
Hsv-2 testing
Herpes simplex virus type 2
Sexually transmitted infections
Std clinic
Antibody testing
Public health
Herpeselect express
Hsv-2 prevalence
Sexual health
Std screening
Routine testing
Acyclovir therapy
Risk factors
Black race
Female sexual health
Sexual behavior
Partner count
Testing uptake
Healthcare accessibility
Preventive medicine
Health disparities
Subsidized testing
Patient education
Infectious disease control
Urban health clinics
Sti prevention
Hsv
Std
Sti
Journal: Journal of Adolescent Health
• May-2007
Purpose
Mycoplasma genitalium is a possible sexually transmitted pathogen and its study among the adolescent age group has been limited. In this longitudinal study, the epidemiology, natural history,...
Mycoplasma genitalium
Chlamydia trachomatis
Sexually transmitted diseases
Epidemiology
Adolescent women
Polymerase chain reaction
Sti testing
Sexual behavior
Urogenital infections
Adolescent health
Sexual partners
Infection symptoms
Longitudinal study
M. genitalium transmission
Infection duration
Stis in adolescents
Primary care setting
Clinical findings
Sexual health education
M. genitalium and c. trachomatis
Sexual health among young women
Journal: Sexually Transmitted Diseases
• May-2001
Background
The temporal pattern of partners and sexual encounters may be key factors in the acquisition and transmission of sexually transmitted diseases (STDs). Behavior among adolescent women is o...
Sexual behavior
Adolescent women
Sexually transmitted infections
Stds
Partner sequence
Partner overlap
High-risk behavior
Coital diary
Sexual partners
Neisseria gonorrhoeae
Chlamydia trachomatis
Trichomonas vaginalis
Std clinics
Adolescent health clinics
Longitudinal study
Sexual encounters
Partner choice
Infection transmission
Sexual health
Reproductive health
Sexual activity patterns
Relationship dynamics
Std prevention
Public health
Risk factors
Urban adolescents
Sexual health education
Safe sex practices
Condom use
Partner behavior
Health disparities
Youth sexual behavior
Infection rates
Epidemiology
Sexual network
Partner transitions
Relationship gaps
Health interventions
Behavioral patterns
Adolescent risk factors
Healthcare access
Disease transmission
Sexual relationship trends
Preventative healthcare
Health outcomes
Sexual decision-making
Adolescent healthcare services
Health policy
Clinical research
Journal: PLOS ONE
• March-2012
Lactobacillus-dominated vaginal microbiotas are associated with reproductive health and STI resistance in women, whereas altered microbiotas are associated with bacterial vaginosis (BV), STI risk and...
Coronal sulcus microbiota
Distal urethra
Adolescent males
Bacterial communities
16s rrna sequencing
Circumcision
Vaginal taxa
Bacterial vaginosis (bv)
Sexually transmitted infections (sti)
Reproductive health
Urethral microbiome
First-catch urine
Atopobium
Megasphaera
Mobiluncus
Prevotella
Gemella
Lactobacillus
Streptococcus
Sneathia
Mycoplasma
Ureaplasma
Sexual activity
Penile microbiome
Urethral colonization
Microbiome stability
Journal: Perspectives on Sexual and Reproductive Health
• March-2010
CONTEXT: Adolescent pregnancy prevention is difficult because adolescent sex is intermittent. Understanding why sexually experienced adolescents have sex after a period of abstinence will help clinici...
Adolescent
Sexually transmitted disease
Affect
Survival
analysis
Sexual partner
Sexual abstinence
Adolescent sexual behavior
Adolescent pregnancy
Risk-taking
Std prevention
Relationship dynamics
Sexual health
Contraceptive counseling
Reproductive health
Young women
Sexual decision-making
Sexual partner influence
Partner support
Mood and sexual behavior
Emotional regulation
Sexual resumption
Longitudinal study
Diary study
Behavioral patterns
Risk perception
Public health
Health interventions
Relationship quality
Affective influences
Sexual risk-taking
Abstinence duration
Adolescent development
Hormonal influence
Youth sexuality
Health psychology
Sexual health counseling
Adolescent well-being
Psychosocial factors
Sexual desire
Romantic relationships
Std testing
Sexual activity patterns
Sexual interest
Mental health
Prevention strategies
Condom use
Health behavior change
Risk reduction
Adolescent clinics
Youth health services
Health promotion
Sexual education
Decision-making processes
Motivational factors
Journal: Journal of Adolescent Health
• March-2006
Background
Our objective was to describe familial, intrapersonal, and partner-related factors associated with time of day of sexual activity among adolescent women.
Methods
Annual questionnaires an...
Sexuality
Parents
Sexual behavior
Adolescent sexual behavior
Time of day of coitus
Adolescent women
Sexual activity timing
Partner influence
Parental supervision
Family factors
Relationship dynamics
Sexual interest
Mood and sexual behavior
Weekend vs. school day sex
Afternoon vs. evening coitus
Youth sexual decision-making
Emotional support and sex
Risk factors for adolescent coitus
School attendance and sexual activity
Adolescent romantic relationships
Youth sexual health
Teen relationship conflicts
Adolescent sexuality research
Sexual behavior patterns
Public health and teen sexuality
Adolescent risk behaviors
Youth intimacy and relationships
Social determinants of teen sex
Daily sexual activity logs
Sexual behavior epidemiology
Journal: Health Psychology
• March-2005
The main objective of this study was to examine day-to-day associations of coitus, sexual interest, partner emotional support, negative mood, and positive mood among adolescent women. Diaries assessed...
Sexual activity
Adolescent women
Daily mood
Partner support
Sexual interest
Coitus
Emotional support
Negative mood
Positive mood
Diary study
Partner interactions
Substance use
Coital frequency
Sexual behavior
Sti prevention
Unplanned pregnancy
Psychological factors
Adolescent sexuality
Behavioral patterns
Intervention strategies
Daily mood fluctuations
Partner emotional support
Sexual interest variations
Coitus frequency
Relationship dynamics
Psychological well-being
Emotional regulation
Mood disorders
Substance use impact
Sexual risk behaviors
Sexually transmitted infection (sti) prevention
Reproductive health
Adolescent psychology
Developmental transitions
Romantic relationships
Psychosocial influences
Public health interventions
Sexual decision-making
Affective states
Gender differences
Sexual health education
Preventative strategies
Risk assessment
Adolescent sexual behavior trends
Interpersonal relationships
Health policy implications
Journal: Sexually Transmitted Diseases
• July-2019
Background
Rectal infection with Chlamydia trachomatis (CT) is frequent in women who deny receptive anal sex and is thought to arise from autoinoculation of the rectum from vaginal secretions. An al...
Chlamydia trachomatis
Rectal chlamydia
Oral transmission of stis
Rectal infection in heterosexual men
Mycoplasma genitalium
Neisseria gonorrhoeae
Sexually transmitted infections (stis)
Cunnilingus and stis
Gastrointestinal tract infection
Autoinoculation hypothesis
Oral sex and stis
Sti epidemiology
Non-gonococcal urethritis
Sexual behavior and infection risk
Rectal swab testing
Sti screening in men
Heterosexual sti transmission
Homosexual and bisexual sti risk
Urogenital and rectal infections
Sti clinical studies
Public health and stis
Sti prevention strategies
Oral-gastrointestinal inoculation
Anal sti transmission
Microbial transmission pathways
Sexual health research
Heterosexual
Homosexual
Bisexual
Oral transmission
Fecal-oral
Journal: Sexually Transmitted Diseases
• July-2006
Objectives:
We conducted this study to examine the incidence, prevalence, and risk factors for herpes simplex virus (HSV) 1 and HSV 2 infection in a cohort of young women who were closely followed f...
Herpes simplex virus (hsv)
Hsv-1
Hsv-2
Adolescent health
Sexually transmitted infections (stis)
Viral shedding
Hsv seroprevalence
Hsv incidence
Hsv transmission
Sexual behavior
Risk factors
Asymptomatic infection
Pcr testing
Seroconversion
Genital hsv
Epidemiology
Youth sexual health
Public health
Longitudinal study
Sti prevention
Sexual risk-taking
Adolescent immunology
Viral infections
Genital swabs
Behavioral diary
Sti surveillance
Health education
Reproductive health
Sexual health counseling
Hsv screening
Adolescent sexual activity
Risk perception
Disease transmission
Condom use
Health interventions
Viral load
Partner transmission
Symptomless carriers
Adolescent well-being
Health disparities
Immune response
Prevention strategies
School-based health
Relationship dynamics
Std testing
Reproductive infections
Young women’s health
Journal: Sexually Transmitted Diseases
• July-1997
Objective:
To evaluate the potential causal relationship between alcohol and drug use and behavior that increases the risk of sexually transmitted diseases.
Study Design:
Longitudinal study con...
Sex under the influence
Adolescent sexual behavior
Substance use and sex
Alcohol and sexual risk
Drug use and sexual behavior
Condom use
Sexually transmitted diseases (std) risk
Adolescent women
Diary study
Coital events
Safe sex practices
Event-specific condom use
Sexual risk behavior
Longitudinal study
Std prevention
Partner change and sex
Substance-associated coital events
Adolescent health
Sexual decision-making
Journal: The Journal of Infectious Diseases
• January-2010
BackgroundRepeated Chlamydia trachomatis infections are common among young sexually active women. The relative frequency of reinfection and antibiotic treatment failure is undefined
MethodsAdolesce...
Chlamydia trachomatis
Repeated infections
Reinfection
Antibiotic treatment failure
Adolescent sexual health
Sexually transmitted infections (stis)
Partner notification
Male screening
Antibiotic effectiveness
Genotype determination
Amplification testing
Treatment outcome
Condom use
Behavioral risk factors
Cohort study
Infection recurrence
Sti prevention
Public health interventions
Youth sexual behavior
Treatment adherence
Sexual risk-taking
Pelvic inflammatory disease
Longitudinal study
Partner-specific coitus
Event-specific condom use
Journal: The Journal of Sex Research
• January-2010
This study describes associations of partner‐specific relationship characteristics with consistent condom use among 297 young people (ages 13–24) with sexually transmitted diseases (STD). Relationship...
Condom use
Relationship characteristics
Sexually transmitted diseases (std)
Young people
Partner-specific factors
Relationship quality
Emotional reasons for sex
Coital frequency
New sexual partner
Established partner
Cohabitation
Sexual coercion
Alcohol use
Drug use
Std prevention
Safe sex practices
Sexual health
Youth sexual behavior
Sexual risk
Partner dynamics
Std intervention
Adolescent sexuality
Condom consistency
Relationship duration
Sexual relationships
Public health
Risky sexual behavior
Sexual decision-making
Journal: Pediatrics
• February-2011
OBJECTIVE:
We assessed differences in chlamydia screening rates according to race/ethnicity, insurance status, age, and previous sexually transmitted infection (STI) or pregnancy.
METHODS:
A retr...
Chlamydia
Sti screening
Sexual health
Ethnic disparities
Health disparities
Insurance coverage
Adolescent health
Reproductive health
Racial disparities
Healthcare access
Preventive care
Young women
Public health
Medical screening
Sexual behavior
Healthcare equity
Provider bias
Clinical practice
Epidemiology
Health policy
Healthcare disparities
Sexual risk
Women's health
Underserved populations
Health services
Healthcare utilization
Chlamydia testing
Std prevention
Minority health
Sexual wellness
Health inequality
Demographic disparities
Ethnic group
Chlamydia screening
Sti testing
Race/ethnicity disparities
Health equity
Chlamydia trachomatis
Pregnancy prevention
Sexually transmitted infections
Public insurance
Private insurance
Provider practices
Medical disparities
Clinical guidelines
Young adult
Prevention
Control
Testing rates
Healthcare inequality
Risk factors
Sexual and reproductive health
Health services research
Diagnostic testing
Routine screening
Women’s health
Healthcare decision-making
Medical access
Demographic differences
Social determinants of health
Early detection
Intervention strategies
Health outcomes
Patient advocacy
Clinical practice patterns
Healthcare provider bias
Community health
Journal: American Journal of Public Health
• February-2002
Objectives. This study sought to describe condom use over time in new and established adolescent relationships.
Methods. The outcome variable was time (in days) until first unprotected coital event...
Condom use
Adolescent sexual relationships
Sexual health
Std prevention
Relationship duration
New relationships
Established relationships
Unprotected coital events
Kaplan-meier survival curves
Cox proportional hazards models
Safe sex practices
Risk behaviors
Sexual risk-taking
Intimacy and trust
Condom use decline
Sexual behavior patterns
Prevention strategies
Public health interventions
Adolescent health
Partner dynamics
Time From First Intercourse to First Sexually Transmitted Infection Diagnosis Among Adolescent Women
Journal: Archives of Pediatrics & Adolescent Medicine
• December-2009
Objective To determine the time between first intercourse and first sexually transmitted infection (STI) with Chlamydia trachomatis, Neisseria gonorrhoeae, or Trichomonas vaginalis and time between r...
Adolescent women
Sexually transmitted infections (stis)
Chlamydia trachomatis
Neisseria gonorrhoeae
Trichomonas vaginalis
First intercourse
Sti diagnosis
Repeated infections
Sti screening
Urban youth
Sexual health
Public health
Risk factors
Early sexual activity
Sti prevention
Adolescent medicine
Sexual risk behavior
Re-infection rates
Sti testing intervals
Young women's health
Sexual health education
Sti surveillance
Early detection
Sexual health interventions
Journal: Sexually Transmitted Infections
• August-2002
Objective: To evaluate sexual behaviour (including abstinence), sex partner change, and condom use during the 3 month period following treatment for Neisseria gonorrhoeae, Chlamydia trachomatis, Trich...
Sexually transmitted infections (stis)
Adolescents
Post-treatment behaviors
Sexual behavior
Prevention strategies
Condom use
Partner change
Abstinence
Gonorrhea
Chlamydia
Trichomoniasis
Non-gonococcal urethritis (ngu)
Reinfection risk
Sexual health
Public health clinics
Risk reduction
Partner re-exposure
Safe sex practices
Adolescent health
Behavioral change
Sti prevention
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