The goals of the statistical and programming core (Core B) are to provide statistical guidance andprogramming support for all analyses undertaken in each of the projects. The statistical analysis group is ledby Dr. Donna Spiegelman, who has served as the senior statistician for the Health Professionals' Follow-upStudy since 1990 and as the senior statistician for the Pooling Project since its inception. In addition, she hasbeen the Leader of this Core since it began in 2000. She is supported by four junior statisticians, EllenHertzmark, Ruifeng Li, Sherry Yuan, and Lydia Liu, who have master's degrees in mathematics, biostatistics,and statistics. These four junior statisticians represent a tremendous human resource, with nearly 40cumulative years of experience working with our group, and each is an expert statistical programmer, dataanalyst, and data manager. Along with statistical programmers Christine Rivera and Al Wing, this team willconduct all database management and analyses required by Projects 1-3 under the direction of Dr.Spiegelman and project investigators. Programming support is provided for the identification of cases andcontrols in the analysis of biomarkers and genetic materials, as required by Projects 1-2. Dr. Spiegelman isjoined by Dr. Kraft, who specializes in statistical genetics. Dr. Kraft will oversee the analyses of genetic datafrom Projects 1 and 2 and will be responsible for the development of statistical methods for multiple genesand pathway analysis, Core B provides programming assistance to all investigators, and develops user-friendly, professionally documented SAS macros as required by the Projects. Core B is responsible forquality control of all analyses and documentation of data in all reports arising from Projects 1-3. Anotheraspect of Core B is new statistical methods development as required by the Projects. Methods will bedeveloped to allow for correction of bias due to misclassification and measurement error on the estimates ofthe effects of exposurethat change over time, with cumulatively averaged diet the primary focus of ourattention. As one of the few prospective cohort studies of diet and health in the world with repeatedmeasures of diet available on the vast majority of participants every four years, this unique feature of ourstudies requires the development of new methods to permit valid and efficient methods for measurementerror correction, along with the software to translate the theory into accessible practice. We will develop newmethods that address problems of sparse data in the context of candidate gene association studies involvinggene-gene and gene-environment interaction, a major focus of two of the three projects in this proposal. Byusing a priori biological knowledge to model disease risk as a function of multiple variants in a pathway,these methods can also alleviate the multiple testing problem. Each of these areas represents an innovativeavenue of statistical investigation at the forefront of contemporary cancer epidemiology.

Agency
National Institute of Health (NIH)
Institute
National Cancer Institute (NCI)
Type
Research Program Projects (P01)
Project #
2P01CA055075-16A1
Application #
7191218
Study Section
Special Emphasis Panel (ZCA1-RPRB-5 (O3))
Project Start
2006-12-01
Project End
2011-11-30
Budget Start
2007-07-27
Budget End
2008-03-31
Support Year
16
Fiscal Year
2007
Total Cost
$580,822
Indirect Cost
Name
Harvard University
Department
Type
DUNS #
149617367
City
Boston
State
MA
Country
United States
Zip Code
02115
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