Identifying determinants and estimating the risk of inadequate and excess gestational weight gain using a multinomial logistic regression model

When there are three or more nominal categories of a response variable, the binomial logistic regression approach is widely used to model the relationships of exposure variables with different binomial responses one at a time. However, some of the separate binomial comparisons would be redundant. This approach is also suboptimal because of the loss of information that will result when only a subset of the data is analyzed at a time and the …