Should a chi-square goodness-of-fit test be followed up with Odds Ratio? I am wondering what is best practice for reporting a chi-square goodness-of-fit test. Should a result be significant, would a follow up of an Odds Ratio be required if there are more than 2 categories?

Often, presenting the observed proportions and the theoretical proportions conveys the important information, akin to effect size, to the reader.  For example, as a plot: rcompanion.org/handbook/images/image301.png
