Research Topics
| D B DunsonSummaryAffiliation: National Institutes of Health Country: USA Publications
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Detail Information
Publications
Bayesian modeling of multiple lesion onset and growth from interval-censored dataD B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, North Carolina 27709, USA
Biometrics 60:676-83. 2004..Following a Bayesian approach, we propose a data augmentation Markov chain Monte Carlo algorithm for posterior computation...- Bayesian models for multivariate current status data with informative censoringDavid B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, USA
Biometrics 58:79-88. 2002..A Markov chain Monte Carlo algorithm is described for estimation of the posterior distributions of the unknowns. The methods are illustrated through application to multiple tumor site data from an animal carcinogenicity study... - Changes with age in the level and duration of fertility in the menstrual cycleDavid B Dunson
Biostatistics Branch, MD A3 03, National Institute of Environmental Health Sciences, National Institutes of Health, P O Box 12233, Research Triangle Park, NC 27709, USA
Hum Reprod 17:1399-403. 2002.... - Bayesian modeling of incidence and progression of disease from cross-sectional dataB Dunson
Biostatistics Branch, MD A3 03, National Institute of Environmental Health Sciences, P O Box 12233, Research Triangle Park, North Carolina 27709, USA
Biometrics 58:813-22. 2002..A Markov chain Monte Carlo algorithm is described for posterior computation, and the methods are applied to data from a study of uterine leiomyoma... - Bayesian modeling of time-varying and waning exposure effectsDavid B Dunson
Biostatistics Branch, MD A3 03, National Institute of Environmental Health Sciences, P O Box 12233, Research Triangle Park, North Carolina 27709, USA
Biometrics 59:83-91. 2003..The approach is illustrated by an application to the study of protective effects of breastfeeding on incidence of childhood asthma... - Bayesian inference on order-constrained parameters in generalized linear modelsDavid B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, MD A3 03, P O Box 12233, Research Triangle Park, North Carolina 27709, USA
Biometrics 59:286-95. 2003..Bayes factors for assessing ordered trends can be computed based on the output from a Gibbs sampling algorithm. Results from a simulation study are presented and the approach is applied to data from a time-to-pregnancy study... - Bayesian latent variable models for median regression on multiple outcomesDavid B Dunson
Biostatistics Branch, MD A3 03, National Institute of Environmental Health Sciences, P O Box 12233, Research Triangle Park, North Carolina 27709, USA
Biometrics 59:296-304. 2003..A Markov chain Monte Carlo algorithm is proposed for posterior computation, and the methods are applied to single-cell electrophoresis (comet assay) data from a genetic toxicology study... - A Bayesian approach for joint modeling of cluster size and subunit-specific outcomesDavid B Dunson
Biostatistics Branch, MD A3 03, National Institute of Environmental Health Sciences, P O Box 12233, Research Triangle Park, North Carolina 27709, USA
Biometrics 59:521-30. 2003..The approach is illustrated with an application to developmental toxicity data, and other applications, to joint modeling of longitudinal and event time data, are discussed... - Bayesian latent variable models for mixed discrete outcomesDavid B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, MD A3 03, PO Box 12233, Research Triangle Park, NC 27709, USA
Biostatistics 6:11-25. 2005..Following a Bayesian approach to inference, conditionally-conjugate prior distributions are chosen that facilitate posterior computation via an MCMC algorithm. The methods are illustrated using data from a Tg.AC mouse bioassay study... - Increased infertility with age in men and womenDavid B Dunson
Biostatistics Branch and Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, USA
Obstet Gynecol 103:51-6. 2004..To estimate the effects of aging on the percentage of outwardly healthy couples who are sterile (completely unable to conceive without assisted reproduction) or infertile (unable to conceive within a year of unprotected intercourse)... - Bayesian dynamic modeling of latent trait distributionsDavid B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, MD A3 03, Research Triangle Park, NC 27709, USA
Biostatistics 7:551-68. 2006..The methods are illustrated using data from a study of DNA damage in response to oxidative stress... - Bayesian inferences in the Cox model for order-restricted hypothesesDavid B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, MD A3 03, P O Box 12233, Research Triangle Park, North Carolina, USA
Biometrics 59:916-23. 2003..The approach allows for level sets across which a predictor has no effect. Generalizations to multiple predictors are described, and the method is applied to a study of emergency medical treatment for stroke... - Selecting factors predictive of heterogeneity in multivariate event time dataDavid B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, MD A3 03, P O Box 12233, Research Triangle Park, North Carolina 27709, USA
Biometrics 60:352-8. 2004..The methods are illustrated using data from a lung cancer trial... - Bayesian model selection and averaging in additive and proportional hazards modelsDavid B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, MD A3 03, P O Box 12233, Research Triangle Park, NC 27709, USA
Lifetime Data Anal 11:213-32. 2005..Simulation study results are presented, and the methodology is illustrated using data from the Framingham heart study... - Reduced fertilization rates in older men when cervical mucus is suboptimalDavid B Dunson
National Institute of Environmental Health Sciences, U S National Institutes of Health, Research Triangle Park, North Carolina 27709, USA
Obstet Gynecol 105:788-93. 2005..The goal of this study is to assess whether the lowered fertility for men in their late 30s and early 40s is related to the nature of cervical mucus on the day of intercourse... - Bayesian inferences on predictors of conception probabilitiesDavid B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, MD A3 03, P O Box 12233, Research Triangle Park, North Carolina 27709, USA
Biometrics 61:126-33. 2005..Although motivated by fecundability studies, the approach can be used for efficient variable selection and model averaging in general applications with categorical or discrete event time data... - A proportional hazards model for incidence and induced remission of diseaseDavid B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, USA
Biometrics 58:71-8. 2002..Inference uses Bayesian methods via Markov chain Monte Carlo. Theoretical properties are derived, and the approach is illustrated through analysis of the effects of childbirth on uterine leiomyoma (fibroids)... - Bayesian methods for latent trait modelling of longitudinal dataDavid B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, NC 27709, USA
Stat Methods Med Res 16:399-415. 2007.... - Summarizing the motion of self-propelled cells: applications to sperm motilityD B Dunson
Biostatistics Branch, NIEHS, Research Triangle Park, North Carolina 27709, USA
Biometrics 55:537-43. 1999..We apply the method to a set of rat sperm tracks representative of both normal and abnormal motion characteristics... - Factor analytic models of clustered multivariate data with informative censoringD B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, USA
Biometrics 57:302-8. 2001..The structure of the model facilitates implementation of Markov chain Monte Carlo methods for posterior estimation. Data from a spermatotoxicity study are analyzed to illustrate the proposed approach... - Modeling tumor onset and multiplicity using transition models with latent variablesD B Dunson
Biostatistics Branch, NIEHS, Research Triangle Park, North Carolina 27709, USA
Biometrics 55:965-70. 1999..The method is applied to testing for a dose-related trend in both tumor incidence and multiplicity in carcinogenicity studies... - Distinguishing effects on tumor multiplicity and growth rate in chemoprevention experimentsD B Dunson
Biostatistics Branch, MD A3 03, National Institute of Environmental Health Sciences, P O Box 12233, Research Triangle Park, North Carolina 27709, USA
Biometrics 56:1068-75. 2000..A Gibbs sampler is developed for estimation of the posterior distributions of the parameters. The methods are illustrated through application to data from a breast cancer chemoprevention experiment... - Bayesian analysis of mutational spectraD B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, USA
Genetics 156:1411-8. 2000..Methods are described for comparing groups and for assessing dose-related trends. We illustrate our approach using data from the literature... - Assessing overall risk in reproductive experimentsD B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
Risk Anal 20:429-37. 2000..The methods are applied to data from a reproductive toxicity study of Nitrofurazone conducted by the National Toxicology Program... - A flexible parametric model for combining current status and age at first diagnosis dataD B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, USA
Biometrics 57:396-403. 2001..g., puberty, menopause). Our formulation enables straightforward maximum likelihood estimation without requiring restrictive parametric or Markov assumptions. The methods are applied to data from a study of uterine fibroids... - Modeling human fertility in the presence of measurement errorD B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, USA
Biometrics 56:288-92. 2000..Thus, the results of studies relating the timing of intercourse to the probability of conception should be interpreted cautiously... - Commentary: practical advantages of Bayesian analysis of epidemiologic dataD B Dunson
Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
Am J Epidemiol 153:1222-6. 2001..Tools are now available that allow epidemiologists to take advantage of this powerful approach to assessment of exposure-disease relations... - Accounting for unreported and missing intercourse in human fertility studiesD B Dunson
Biostatistics Branch, MD A3 03, National Institute of Environmental Health Sciences, P O Box 12233, Research Triangle Park, NC 27709, USA
Stat Med 19:665-79. 2000..We illustrate the methods by application to two prospective fertility studies. Published in 2000 by John Wiley & Sons, Ltd... - Bayesian modeling of the level and duration of fertility in the menstrual cycleD B Dunson
Biostatistics Branch, MD A3 03, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, USA
Biometrics 57:1067-73. 2001..A Markov chain Monte Carlo algorithm is described for posterior estimation, and the methods are illustrated through application to caffeine data from a North Carolina pregnancy study... - The relationship between cervical secretions and the daily probabilities of pregnancy: effectiveness of the TwoDay AlgorithmD B Dunson
Biostatistics Branch, MD A3 03, National Institute of Environmental Health Sciences, PO Box 12233, Research Triangle Park, NC 27709, USA
Hum Reprod 16:2278-82. 2001..This approach may be an effective alternative to the ovulation and symptothermal methods for populations and programmes that find current natural family planning methods difficult to implement... - Assessing human fertility using several markers of ovulationD B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, National Insitites of Health, Research Triangle Park, NC 27709, USA
Stat Med 20:965-78. 2001..Published in 2001 by John Wiley & Sons, Ltd... - Likelihood of conception with a single act of intercourse: providing benchmark rates for assessment of post-coital contraceptivesA J Wilcox
Epidemiology Branch, National Institute of Environmental Health Sciences, Durham, NC, USA
Contraception 63:211-5. 2001..We find that the possibility of late ovulation produces a persistent risk of pregnancy even into the sixth week of the cycle. Post-coital contraceptives may be indicated even when intercourse has occurred late in the cycle... - High cumulative incidence of uterine leiomyoma in black and white women: ultrasound evidenceDonna Day Baird
Epidemiology Branch and the Biostatistics Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
Am J Obstet Gynecol 188:100-7. 2003.... - Dose-dependent number of implants and implications in developmental toxicityD B Dunson
Biostatistics Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, USA
Biometrics 54:558-69. 1998..A dominant lethal assay data set (Luning et al., 1966, Mutation Research 3, 444-451) is analyzed, and the results are compared with those of Rai and Van Ryzin... - Topical and oral administration of the natural water-soluble antioxidant from spinach reduces the multiplicity of papillomas in the Tg.AC mouse modelA Nyska
Laboratory of Experimental Pathology, National Institute of Environmental Health Sciences NIEHS, Research Triangle Park, NC 27709, USA
Toxicol Lett 122:33-44. 2001..According to histological criteria, papilloma multiplicity were lower in both topical-NAO and oral-NAO groups, but significantly so only in the oral-NAO mice (P<0.01). The beneficial effect of NAO in the Tg.AC mouse is reported... - Antiretroviral therapy effects on genetic and morphologic end points in lymphocytes and sperm of men with human immunodeficiency virus infectionW A Robbins
National Institute of Environmental Health Sciences, Laboratory of Toxicology, Research Triangle Park, North Carolina, USA
J Infect Dis 184:127-35. 2001..These findings suggest that nucleoside-containing antiretrovirals administered via recommended protocols do not induce chromosomal changes in lymphocytes or sperm but may produce improvements in semen quality... - Luteinizing hormone in premenopausal women may stimulate uterine leiomyomata developmentDonna D Baird
Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, North Carolina 27709, USA
J Soc Gynecol Investig 13:130-5. 2006..We hypothesized that luteinizing hormone (LH) would have the same effect by activating the LH/hCG receptor, and it would follow that premenopausal women with higher basal LH levels would be more likely to have leiomyomata... - Association of physical activity with development of uterine leiomyomaDonna Day Baird
Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, NC 27709, USA
Am J Epidemiol 165:157-63. 2007..The authors concluded that regular exercise might help women prevent fibroids... - Bayesian semiparametric dynamic frailty models for multiple event time dataMichael L Pennell
Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
Biometrics 62:1044-52. 2006..Our proposed method is demonstrated using data from a cancer chemoprevention study... - Bayesian methods for highly correlated exposure dataRichard F MacLehose
Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
Epidemiology 18:199-207. 2007..We compare these 4 hierarchical regression methods and demonstrate their application in an example estimating the association of herbicides with retinal degeneration among wives of pesticide applicators... - Bayesian covariance selection in generalized linear mixed modelsBo Cai
Biostatistics Branch, MD A3 03, National Institute of Environmental Health Sciences, P O Box 12233, Research Triangle Park, North Carolina 27709, USA
Biometrics 62:446-57. 2006..Simulated data examples are presented for different exponential family distributions, and the approach is applied to discrete survival data from a time-to-pregnancy study... - Maternal serum level of the DDT metabolite DDE in relation to fetal loss in previous pregnanciesMatthew P Longnecker
Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, P O Box 12233 MD A3 05, Research Triangle Park, NC, 27709, USA
Environ Res 97:127-33. 2005..1-1.6). The results were consistent with an adverse effect of DDE on fetal loss, but were inconclusive owing to the possibility that previous pregnancies ending in fetal loss decreased serum DDE levels less than did those carried to term... - Why is parity protective for uterine fibroids?Donna Day Baird
Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
Epidemiology 14:247-50. 2003..If the hypothesis is supported by more direct evidence, it may have broader implications, supporting the idea that tissue remodeling may be a general mechanism for limiting tumor development... - Uterine leiomyomata in relation to insulin-like growth factor-I, insulin, and diabetesDonna D Baird
Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
Epidemiology 20:604-10. 2009..We hypothesized that circulating levels of these proteins would be associated with increased prevalence and size of uterine fibroids... - On the frequency of intercourse around ovulation: evidence for biological influencesA J Wilcox
National Institute of Environment Health Sciences, Durham, NC, USA
Hum Reprod 19:1539-43. 2004..Such coordination has not been established in humans. We explored this possibility by examining patterns of sexual intercourse in relation to ovulation... - Bayesian multivariate logistic regressionSean M O'Brien
Biostatistics Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, USA
Biometrics 60:739-46. 2004..We follow a Bayesian approach to estimation and inference, developing an efficient data augmentation algorithm for posterior computation. The method is illustrated with application to a neurotoxicology study... - Methodologic and statistical approaches to studying human fertility and environmental exposureCandace Tingen
Biostatistics Branch, National Institute of Environmental Health Sciences, National Institutes of Health/DHHS, Research Triangle Park, NC 27709, USA
Environ Health Perspect 112:87-93. 2004..We conclude that detailed prospective studies allowing inferences on day-specific probabilities of conception should be considered as the gold standard for studying the effects of environmental exposures on fertility... - Deficiency of either cyclooxygenase (COX)-1 or COX-2 alters epidermal differentiation and reduces mouse skin tumorigenesisHoward F Tiano
Laboratory of Experimental Carcinogenesis and Mutagenesis, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, USA
Cancer Res 62:3395-401. 2002..Thus, both COX-1 and COX-2 have roles in keratinocyte differentiation, and we propose that the absence of either isoform causes premature terminal differentiation of initiated keratinocytes and reduced tumor formation... - Maternal serum levels of polychlorinated biphenyls and 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (DDE) and time to pregnancyDionne C Gesink Law
Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, NC 27709, USA
Am J Epidemiol 162:523-32. 2005..Both trends were imprecise and attenuated when expressed on a lipid basis. Overall, evidence of an association between PCB or DDE exposure and time to pregnancy was weak and inconclusive... - Mucus observations in the fertile window: a better predictor of conception than timing of intercourseJamie L Bigelow
Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
Hum Reprod 19:889-92. 2004..To maximize the likelihood of conception, intercourse should occur on days with optimal mucus quality, as observed in vaginal discharge, regardless of the exact timing relative to ovulation... - Fixed and random effects selection in linear and logistic modelsSatkartar K Kinney
Institute of Statistics and Decision Sciences, Duke University, Box 90251, Durham, North Carolina 27705, USA
Biometrics 63:690-8. 2007..Default priors are proposed for the variance components and an efficient parameter expansion Gibbs sampler is developed for posterior computation. The approach is illustrated using simulated data and an epidemiologic example... - Bayesian methods for searching for optimal rules for timing intercourse to achieve pregnancyBruno Scarpa
Department of Statistical Sciences, University of Padova, Padova, Italy
Stat Med 26:1920-36. 2007..A stochastic search procedure is then developed to search for rules with high expected utility, and the methods are applied to data from a recent Italian study... - Bayesian adaptive regression splines for hierarchical dataJamie L Bigelow
Institute of Statistics and Decision Sciences, Duke University, Durham, North Carolina 27708, USA
Biometrics 63:724-32. 2007..Applying the methods to data from the North Carolina Early Pregnancy Study, we investigate differences in urinary progesterone profiles between conception and nonconception cycles... - Fitting semiparametric random effects models to large data setsMichael L Pennell
Division of Biostatistics, College of Public Health, The Ohio State University, B 115 Starling Loving Hall, 320 West 10th Avenue, Columbus, OH 43210, USA
Biostatistics 8:821-34. 2007..We use our approach to model the effects of maternal smoking during pregnancy on growth in 17,518 girls... - Bayesian selection of optimal rules for timing intercourse to conceive by using calendar and mucusBruno Scarpa
Department of Statistical Sciences, University of Padua, Padua, Italy
Fertil Steril 88:915-24. 2007..To find optimal clinical rules that maximize the probability of conception while limiting the number of intercourse days required... - Mutational fingerprints of agingMartijn E T Dollé
Sam and Ann Barshop Center for Longevity and Aging Studies, University of Texas Health Science Center, 15355 Lambda Drive, STCBM 2 200, San Antonio, TX 78245, USA
Nucleic Acids Res 30:545-9. 2002..Rather, differences in organ function, possibly in association with replicative history, may explain the divergence in mutation spectra during aging... - Nonparametric bayes testing of changes in a response distribution with an ordinal predictorMichael L Pennell
Division of Biostatistics, College of Public Health, The Ohio State University, B 115 Starling Loving Hall, 320 West 10th Avenue, Columbus, Ohio 43210, USA
Biometrics 64:413-23. 2008..The method also provides a natural framework for performing tests across multiple outcomes. We apply our method to data from a genotoxicity experiment... - Modeling the effects of a bidirectional latent predictor from multivariate questionnaire dataAmy H Herring
Department of Biostatistics, The University of North Carolina at Chapel Hill, Campus Box 7420, Chapel Hill, North Carolina 27599, USA
Biometrics 60:926-35. 2004..We propose an MCMC algorithm for posterior computation and apply the approach to study the effects of stress on preterm delivery... - Vulvar mucus observations and the probability of pregnancyJoseph B Stanford
Department of Family and Preventive Medicine, University of Utah, Salt Lake City, Utah, USA
Obstet Gynecol 101:1285-93. 2003..To assess the day-specific and cycle-specific probabilities of conception leading to clinical pregnancy, in relation to the timing of intercourse and vulvar mucus observations... - Bayesian estimation of survival functions under stochastic precedenceZhen Chen
Department of Biostatistics and Epidemiology, University of Pennsylvania, 625 Blockley Hall, 423 Guardian Drive, Philadelphia, PA 19104, USA
Lifetime Data Anal 10:159-73. 2004..The method is then generalized to the case where X and Y are survival times. The proposed approach is illustrated using data on survival after tumor removal for patients with malignant melanoma... - A transformation approach for incorporating monotone or unimodal constraintsLaura H Gunn
Jiann Ping Hsu School of Public Health, Georgia Southern University, P O Box 8076, Statesboro, GA 30460 8076, USA
Biostatistics 6:434-49. 2005..Inferences are based on the resulting quasi-posterior distribution for the peak and individual woman trajectories. The methods are applied to a study comparing progesterone trajectories for conception and nonconception cycles... - Bayesian isotonic regression and trend analysisBrian Neelon
Department of Biostatistics, CB No. 7420, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
Biometrics 60:398-406. 2004..Generalizations to categorical outcomes and multiple predictors are described, and the approach is applied to an epidemiology application... - Cervical mucus secretions on the day of intercourse: an accurate marker of highly fertile daysBruno Scarpa
Department of Applied Statistics and Economics, University of Pavia, Pavia, Italy
Eur J Obstet Gynecol Reprod Biol 125:72-8. 2006.... - Bayesian inferences on umbrella orderingsChris Hans
Institute of Statistics and Decision Sciences, Duke University, Durham, North Carolina 27708, USA
Biometrics 61:1018-26. 2005..The methods are applied to data from a carcinogenesis study... - Random effects selection in linear mixed modelsZhen Chen
Department of Biostatistics and Epidemiology, University of Pennsylvania, 625 Blockley Hall, 423 Guardian Dr Philadelphia, Pennsylvania, USA
Biometrics 59:762-9. 2003..The methods are illustrated using simulated data and real data from a study relating prenatal exposure to polychlorinated biphenyls and psychomotor development of children... - Bayesian selection of predictors of conception probabilities across the menstrual cycleBruno Scarpa
Department of Applied Statistics and Economics, University of Pavia, Pavia, Italy
Paediatr Perinat Epidemiol 20:30-7. 2006.... - Effects of sexual intercourse patterns in time to pregnancy studiesJoseph B Stanford
Department of Family and Preventive Medicine, University of Utah, Salt Lake City, UT 84108, USA
Am J Epidemiol 165:1088-95. 2007..Day-specific probabilities of pregnancy can be used to account for the effects of intercourse patterns. Depending on the research hypothesis, intercourse patterns may be considered as a potential confounder, mediator, or outcome... - Foreword. Expanding Methodologies for Capturing Day-Specific Probabilities of ConceptionJoseph B Stanford
Department of Family and Preventive Medicine, University of Utah, Salt Lake City, UT 84108, USA
Paediatr Perinat Epidemiol 20:1-2. 2006