A typology of vomiting

Based on several years' worth of survey research for this FAQ, I am able to propose a generalization of vomiting behavior. After doing many different Internet surveys of non-emetophobic populations, I have found that in a typical year, 60-70% of people vomit. Based on particular answers to an Internet survey of nearly 800 people, I propose this typology of vomiting:


1. Prolific vomiters -- 33% of population

2. Regular vomiters -- 40% of population

3. Infrequent vomiters -- 25% of population

4. Non-vomiters -- 2% of population

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