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K. O’Brien · SciRah

Researcher profile · Semantic Scholar

K. O’Brien

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K. O’Brien — researcher profile on SciRah

h-index: 36
Works: 125
Citations: 6,678

Most-cited papers

A Quantile-Based g-Computation Approach to Addressing the Effects of Exposure Mixtures
A. Keil, Jessie P. Buckley, K. O’Brien, K. Ferguson +2 more
2019Environmental Health Perspectives1,473 citations Open access
Semantic Scholar
A Population-Based Study of Genes Previously Implicated in Breast Cancer
Chun-Ling Hu, S. Hart, Rohan D. Gnanaolivu, Hong-Yan Huang +56 more
2021New England Journal of Medicine695 citations Open access
Semantic Scholar
Methylation-based biological age and breast cancer risk.
J. Kresovich, Zong-Li Xu, K. O’Brien, C. Weinberg +2 more
2019Journal of the National Cancer Institute162 citations Open access
Semantic Scholar
Contralateral Breast Cancer Risk Among Carriers of Germline Pathogenic Variants in ATM, BRCA1, BRCA2, CHEK2, and PALB2
S. Yadav, N. Boddicker, Jie Na, E. Polley +32 more
2023Journal of Clinical Oncology144 citations Open access
Semantic Scholar
Urinary specific gravity measures in the U.S. population: implications for the adjustment of non-persistent chemical urinary biomarker data
J. Kuiper, K. O’Brien, K. Ferguson, Jessie P. Buckley
2021Environment International143 citations Open access
Semantic Scholar
Persistence of Risk for Type 2 Diabetes After Gestational Diabetes Mellitus
Mary V. Diaz-Santana, K. O’Brien, Y. Park, D. Sandler +1 more
2022Diabetes Care109 citations Open access
Semantic Scholar
Metallic Air Pollutants and Breast Cancer Risk in a Nationwide Cohort Study
Alexandra J. White, K. O’Brien, N. Niehoff, R. Carroll +1 more
2019Epidemiology103 citations Open access
Semantic Scholar
Pubertal timing and breast cancer risk in the Sister Study cohort
M. Goldberg, A. D'Aloisio, K. O’Brien, Shan-Shan Zhao +1 more
2020Breast Cancer Research85 citations Open access
Semantic Scholar
Association of Neighborhood Deprivation With Epigenetic Aging Using 4 Clock Metrics
Kaitlyn G. Lawrence, J. Kresovich, K. O’Brien, Thanh T. Hoang +3 more
2020JAMA Network Open84 citations Open access
Semantic Scholar
Associations Between Prenatal Urinary Biomarkers of Phthalate Exposure and Preterm Birth: A Pooled Study of 16 US Cohorts.
B. Welch, A. Keil, Jessie P. Buckley, A. Calafat +52 more
2022JAMA pediatrics81 citations Open access
Semantic Scholar
Risk of Breast Cancer Among Carriers of Pathogenic Variants in Breast Cancer Predisposition Genes Varies by Polygenic Risk Score
Chi Gao, E. Polley, S. Hart, Hong-Yan Huang +38 more
2021Journal of Clinical Oncology76 citations Open access
Semantic Scholar
Use of Straighteners and Other Hair Products and Incident Uterine Cancer.
Che-Jung Chang, K. O’Brien, A. Keil, S. Gaston +3 more
2022Journal of the National Cancer Institute70 citations Open access
Semantic Scholar
Metals and trace elements in relation to body mass index in a prospective study of US women
N. Niehoff, A. Keil, K. O’Brien, B. Jackson +3 more
2020Environmental Research70 citations Open access
Semantic Scholar
The case for case-cohort: An applied epidemiologist’s guide to re-framing case-cohort studies to improve usability and flexibility
K. O’Brien, Kaitlyn G. Lawrence, A. Keil
2022Epidemiology64 citations Open access
Semantic Scholar
Combined Associations of a Polygenic Risk Score and Classical Risk Factors With Breast Cancer Risk
P. Kapoor, N. Mavaddat, P. Choudhury, Amber N. Wilcox +136 more
2020Journal of the National Cancer Institute57 citations Open access
Semantic Scholar
Airborne Metals Exposure and Risk of Hypertension in the Sister Study
Jing Xu, Alexandra J. White, N. Niehoff, K. O’Brien +1 more
2020Environmental Research56 citations Open access
Semantic Scholar
Combining urinary biomarker data from studies with different measures of urinary dilution
J. Kuiper, K. O’Brien, B. Welch, E. Barrett +6 more
2022Epidemiology55 citations Open access
Semantic Scholar
Association of Genital Powder Use with Risk of Ovarian Cancer
K. O’Brien, S. Tworoger, H. Harris, G. Anderson +6 more
2020Journal of the American Medical Association (JAMA)49 citations Open access
Semantic Scholar
The risk of ovarian cancer increases with an increase in the lifetime number of ovulatory cycles: an analysis from the Ovarian Cancer Cohort Consortium (OC3)
B. Trabert, S. Tworoger, K. O’Brien, Mary K. Townsend +46 more
2020Cancer Research48 citations Open access
Semantic Scholar
Analgesic Use and Ovarian Cancer Risk: An Analysis in the Ovarian Cancer Cohort Consortium
B. Trabert, E. Poole, E. White, K. Visvanathan +27 more
2018Journal of the National Cancer Institute48 citations Open access
Semantic Scholar
Association between neighborhood deprivation and hypertension in a U.S.-wide Cohort
Jing Xu, Kaitlyn G. Lawrence, K. O’Brien, Chandra L. Jackson +1 more
2021Journal of Epidemiology and Community Health44 citations Open access
Semantic Scholar
Epigenetic mortality predictors and incidence of breast cancer
J. Kresovich, Zong-Li Xu, K. O’Brien, C. Weinberg +2 more
2019Aging43 citations Open access
Semantic Scholar
Cross-ancestry GWAS meta-analysis identifies six breast cancer loci in African and European ancestry women
B. Adedokun, Zhao-Hui Du, Gui-Min Gao, T. Ahearn +56 more
2021Nature Communications42 citations Open access
Semantic Scholar
Prediagnostic Immune Cell Profiles and Breast Cancer
J. Kresovich, K. O’Brien, Zong-Li Xu, C. Weinberg +2 more
2020JAMA Network Open42 citations Open access
Semantic Scholar
A case-only study to identify genetic modifiers of breast cancer risk for BRCA1/BRCA2 mutation carriers
Juliette Coignard, M. Lush, J. Beesley, T. O'Mara +388 more
2021Nature Communications37 citations Open access
Semantic Scholar
Obesity, obesity-related metabolic conditions, and risk of thyroid cancer in women: results from a prospective cohort study (Sister Study)
E. Pasqual, K. O’Brien, S. Rinaldi, Dale P. Sandler +1 more
2023The Lancet Regional Health - Americas36 citations Open access
Semantic Scholar
Metals and Breast Cancer Risk: A Prospective Study Using Toenail Biomarkers.
N. Niehoff, K. O’Brien, A. Keil, K. Levine +5 more
2021American Journal of Epidemiology35 citations Open access
Semantic Scholar
Adolescent use of hair dyes, straighteners and perms in relation to breast cancer risk
Alexandra J. White, Allyson M. Gregoire, Kyla W. Taylor, C. Eberle +4 more
2020International Journal of Cancer34 citations Open access
Semantic Scholar
Associations between reproductive factors and biliary tract cancers in women from the Biliary Tract Cancers Pooling Project
Sarah S. Jackson, H. Adami, G. Andreotti, L. Beane-Freeman +39 more
2020Journal of Hepatology34 citations Open access
Semantic Scholar
Blood DNA methylation profiles improve breast cancer prediction
J. Kresovich, Zong-Li Xu, K. O’Brien, Min Shi +3 more
2021Molecular Oncology32 citations Open access
Semantic Scholar
Risk of Late-Onset Breast Cancer in Genetically Predisposed Women
N. Boddicker, Chun-Ling Hu, J. Weitzel, P. Kraft +47 more
2021Journal of Clinical Oncology30 citations Open access
Semantic Scholar
Toenail-Based Metal Concentrations and Young-Onset Breast Cancer
K. O’Brien, Alexandra J. White, B. Jackson, M. Karagas +2 more
2019American Journal of Epidemiology30 citations Open access
Semantic Scholar
Urine and toenail cadmium levels in pregnant women: a reliability study
Alexandra J. White, K. O’Brien, B. Jackson, M. Karagas
2018Environment International30 citations Open access
Semantic Scholar
Modification of the Association Between Frequent Aspirin Use and Ovarian Cancer Risk: A Meta-Analysis Using Individual-Level Data From Two Ovarian Cancer Consortia
L. Hurwitz, Mary K. Townsend, S. Jordan, Alpa V. Patel +29 more
2022Journal of Clinical Oncology29 citations Open access
Semantic Scholar
Long-term ambient fine particulate matter and DNA methylation in inflammation pathways: results from the Sister Study
Cui-Cui Wang, K. O’Brien, Zong-Li Xu, D. Sandler +2 more
2019Epigenetics28 citations Open access
Semantic Scholar
Talc, body powder, and ovarian cancer: A summary of the epidemiologic evidence
N. Wentzensen, K. O’Brien
2021Gynecologic Oncology26 citations
Semantic Scholar
Do post-breast cancer diagnosis toenail trace element concentrations reflect pre-diagnostic concentrations?
K. O’Brien, Alexandra J. White, D. Sandler, B. Jackson +2 more
2019Epidemiology26 citations Open access
Semantic Scholar
Peripheral immune cell composition is altered in women before and after a hypertension diagnosis
J. Kresovich, Zong-Li Xu, K. O’Brien, C. Parks +3 more
2022HYPERTENSION23 citations
Semantic Scholar
Interactions between a Polygenic Risk Score and Non-genetic Risk Factors in Young-Onset Breast Cancer
Min Shi, K. O’Brien, Clarice R. Weinberg
2020Scientific Reports23 citations Open access
Semantic Scholar
Associations of periodontal disease and tooth loss with all-cause and cause-specific mortality in the Sister Study
Ze-Ni Wu, K. O’Brien, Kaitlyn G. Lawrence, Yongli Han +3 more
2021Journal of Clinical Periodontology22 citations Open access
Semantic Scholar
The association between periodontal disease and breast cancer in a prospective cohort study
Meng-Meng Jia, Ze-Ni Wu, E. Vogtmann, K. O’Brien +3 more
2020Cancer Prevention Research21 citations Open access
Semantic Scholar
Keratinous biomarker of mercury exposure associated with amyotrophic lateral sclerosis risk in a nationwide U.S. study
A. Andrew, K. O’Brien, B. Jackson, D. Sandler +6 more
2020Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration19 citations Open access
Semantic Scholar
Changes in methylation-based aging in women who do and do not develop breast cancer.
J. Kresovich, K. O’Brien, Zong-Li Xu, Clarice R. Weinberg +2 more
2023Journal of the National Cancer Institute18 citations Open access
Semantic Scholar
Perinatal and postnatal exposures and risk of young-onset breast cancer
Mary V. Diaz-Santana, K. O’Brien, A. D'Aloisio, Gloria Regalado +2 more
2020Breast Cancer Research18 citations Open access
Semantic Scholar
Toenail-Based Metal Concentrations and Young-Onset Breast Cancer.
K. O’Brien, Alexandra J. White, B. Jackson, M. Karagas +2 more
2019American Journal of Epidemiology17 citations Open access
Semantic Scholar
BMI and breast cancer risk around age at menopause
A. Von Holle, H. Adami, L. Baglietto, Amy Berrington +42 more
2024Cancer Epidemiology16 citations Open access
Semantic Scholar
Cadmium Exposure and Ovarian Reserve in Women Ages 35-49 Years: The Impact on Results of Creatinine Adjustment Approach to Correct for Urinary Dilution.
K. Upson, K. O’Brien, J. Hall, Erik J. Tokar +1 more
2020American Journal of Epidemiology15 citations Open access
Semantic Scholar
Aggregation tests identify new gene associations with breast cancer in populations with diverse ancestry
Stefanie H. Müller, A. Lai, M. Valkovskaya, K. Michailidou +203 more
2023Genome Medicine14 citations Open access
Semantic Scholar
Perineal Talc Use, Douching, and the Risk of Uterine Cancer
K. O’Brien, A. D'Aloisio, Min Shi, John D. Murphy +2 more
2019Epidemiology14 citations Open access
Semantic Scholar
A genome-wide gene-environment interaction study of breast cancer risk for women of European ancestry
Pooja Middha, Xiaoliang Wang, S. Behrens, M. Bolla +128 more
2023Breast Cancer Research13 citations Open access
Semantic Scholar

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