1. 1x= not referred to in text.
2. 2The clinical background for the examples presented came from:
3. 3S.P. Verloove, and R. Verwey,Project on Preterm and Small-for-Gestational-Age Infants in the Netherlands, 1983. Thesis , 1987 . Ann Arbor: UMI, 1987 ; order number 8807276. General references for logistic regression (in increasing order of statistical detail):