What two factors did Garfinkel and colleagues (1996) find that differ between people with bulimia who purge and those with bulimia who do not purge?

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Garfinkel and colleagues (1996) found that two factors that differ between people with bulimia who purge and those with bulimia who do not purge are the age of onset and the existence of comorbid psychological disorders. Participants with bulimia who purge tend to have an earlier onset of symptoms and more comorbid psychological disorders compared to those who do not purge.

What Two Factors Did Garfinkel and Colleagues (1996) Find That