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  • Semiparametric marginal and mixed models for longitudinal data

    Creator:
    Tsai, Guei-Feng
    Abstract:
    This thesis consists of three papers which investigate marginal models, nonparametric approaches, generalized mixed effects models and variance components estimation in longitudinal data analysis. In the first paper, a new marginal approach is introduced for high-dimensional cell-cycle microarray data with no replicates. There are two kinds of correlation for cell-cycle...
    Resource Type:
    Dissertation
    Full Text:
    Marginal and Mixed Models for Longitudinal Data Abstract approved: Annie Qu This thesis consists of

  • Efficient classification for longitudinal data

    Creator:
    Wang, Xianlong
    Abstract:
    We propose a new classification method for longitudinal data based on a semiparametric approach. Our approach builds a classifier by taking advantage of modeling information between response and covariates for each class, and assigns a new subject to the class with the smallest quadratic distance. This enables one to overcome...
    Resource Type:
    Dissertation
    Full Text:
    Longitudinal Data Abstract approved: Annie Qu We propose a new classification method for longitudinal data

  • Unconditional estimating equation approaches for missing data

    Creator:
    Lu, Lin
    Abstract:
    Missing data can lead to biased and inefficient estimation if the missing mechanism is not taken into account in the analysis. In this dissertation we propose two estimators that, under fairly general conditions, are asymptotically unbiased. The first proposed estimator assume the data are missing at random (MAR) and does...
    Resource Type:
    Dissertation
    Full Text:
    for Missing Data. Abstract approved: Annie Qu David S. Birkes Missing data can lead to biased and

  • Adolescent Mental Health and Well-Being: Examining the Role of U.S. Public Education Policy and School Climate

    Creator:
    Hommel, Annie
    Abstract:
    This dissertation seeks to contribute to a growing body of research on student outcomes by way of a public health perspective examining the intersection of education policy and adolescent mental health and well-being. The conceptual approach underpinning this project rests on the key theoretical assumption that education policy, shaped at...
    Resource Type:
    Dissertation
    Full Text:
    THE DISSERTATION OF Annie Hommel for the degree of Doctor of Philosophy in Public Health presented

  • Vitamin B-6 status, energy and protein intakes, and amino acids in the diets and plasma of school-aged patients with Phenylketonuria : implications for an improved nutritional treatment

    Creator:
    Prince, Annie
    Abstract:
    Dietary intake data of 15 treated patients with phenylketonuria (PKU) (7-17 years) and six control siblings (6-14 years) were used to evaluate the effectiveness of medical foods to balance energy, protein, vitamin B-6, and individual amino acids from natural foods and to evaluate vitamin B-6 status. Four-day diet records were...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE THESIS OF Annie Prince for the degree of

  • Health Service Utilization among Medicaid Enrollees in Oregon : Assessing Variation by Level of Rurality

    Creator:
    Larson, Annie E.
    Abstract:
    Research Objective: Nearly 60 million people in the United States reside in a rural area. Residents in rural areas have higher rates of chronic disease, risky health behaviors, disability, infant mortality, and age-adjusted mortality than their urban counterparts. Health insurance and access to care mitigate those risks, in part because...
    Resource Type:
    Dissertation
    Full Text:
    !ABSTRACT!OF!THE!DISSERTATION!OF! ! Annie!Larson!for!the!degree!of!Doctor!of!Philosophy!in!Public!Health

  • Rocks and reactors : an atomic interpretation of human rights, 1941-1979

    Creator:
    Richards, Linda Marie
    Abstract:
    The atomic age was enacted by many scientists as a way to realize health and human rights. Human rights were conceived in this context as rights to economic development, science education, and nuclear medicine. The United States Atomic Energy Commission (AEC) acted hand in hand with UN agencies and educators...
    Resource Type:
    Dissertation
    Full Text:
    , 1941-1979. Abstract approved: ______________________________________________________ Jacob

  • The Scientist’s Imagination: Cold War Politics and Nuclear Futures in Leo Szilard’s Fact and Fiction

    Creator:
    Dvorak, Anna Elizabeth
    Abstract:
    The story of Leo Szilard has not been told in its full complexity. This is especially so of the role imagination played in Szilard’s worldview. Szilard, like many other scientists in the mid-twentieth century, worked on the Manhattan Project. Like these other wartime participants, the work and relationships formed during...
    Resource Type:
    Dissertation
    Full Text:
    : ______________________________________________________ Jacob Darwin Hamblin The story of Leo Szilard has not been told in its full complexity

  • Mars and Popular Astronomy, 1890-1910

    Creator:
    Simpson, Emily M.
    Abstract:
    Beginning in the late-nineteenth century, several dialogues emerged concerning life on Mars. Some supported the notion of an inhabited Mars, citing recent observations of the planet, while others, pointing to a lack of concrete evidence, denied the validity of such a bold hypothesis. The dialogues within and between different...
    Resource Type:
    Dissertation
    Full Text:
    : ______________________________________________________________________ Jacob D. Hamblin Beginning in the late-nineteenth

  • Response of arthropods to different intensities of thinning in Oregon

    Creator:
    Yi, Hoonbok
    Abstract:
    The process of silvicultural thinning has become very controversial recently with regards to fire protection and management for old-growth conditions and biodiversity. Therefore, an unthinned control stand and 3 different thinning intensities were examined for their effects on the abundance, species richness, and diversity of arthropods in thinning treatments of...
    Resource Type:
    Dissertation