Date of Award

January 2015

Degree Type


Degree Name

Doctor of Philosophy (PhD)



First Advisor

George P McCabe

Committee Member 1

Connie M Weaver

Committee Member 2

Bruce A Craig

Committee Member 3

Shengchun C Kong


This dissertation focuses on estimating calcium requirements using bone growth data in adolescents. We estimate the peak rate of growth of bone and the variability of this peak growth rate to provide Dietary Reference Intakes (DRIs) for calcium. The specific DRIs of interest are Estimated Average Requirement (EAR) and Recommended Dietary Allowance (RDA). Included within the analysis is the age at which this peak occurs. A generalized logistic curve uses age as the explanatory variable to predict total body bone mineral content (TBBMC), which is the mass of the mineral content within the bones in the entire body.