Table 2.

Models evaluated and their objective function values (OFVs). The final model is indicated by a bold italic font

Model	Attributes	OFV
Exponential models	Combined error	2801.212
Exponential + lag time	Additive error	2696.632
Exponential + lag time	Combined error	2681.434
Double Weibull	Combined error	2176.032
Double Weibull (BASE MODEL)	Combined error + Accounting for number of individuals in study + Test type	2138.568
Covariate model	BASE MODEL + Food types	1875.252
Covariate model	BASE MODEL + Food types + postnatal Age	1875.121
Covariate model	Food types + Gestational age	1875.211