Regression analysis for longitudinal hemoglobin data for premature infants with outcomes subject to non-response

Neupane, Rajendra (2002) Regression analysis for longitudinal hemoglobin data for premature infants with outcomes subject to non-response. Masters thesis, Memorial University of Newfoundland.

[English] PDF (Migrated (PDF/A Conversion) from original format: (application/pdf)) - Accepted Version Available under License - The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. Download (6MB) [English] PDF - Accepted Version Available under License - The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. (Original Version)

Abstract

In analyzing longitudinal hemoglobin data for low-birth-weight infants, it is of interest to examine the effects of iron fortification and other covariates such as gender and gestation weeks on the hemoglobin status of the infants over the months. As the hemoglobin data are collected repeatedly over a period of time, the longitudinal correlations of the responses must be taken into account in finding the covariate effects. Further problems get mounted when some of the responses are missing. In this practicum, we conducted a regression analysis after accomodating the longitudinal and missingness nature of the data into account. Also, several non-parametric tests were applied to examine any possible monotonic trend in the longitudinal hemoglobin data.

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