In a Study by Sheiham Et Al

question 33

Multiple Choice

In a study by Sheiham et al. (2002) of 'the relationship between oral health status and body mass index among older people' in Great Britain, Fisher's exact test was used (source: http:/ / www.nature.com/ bdj/ journal/ v192/ n12/ full/ 4801461a.html) . Why would this test have been used in this instance?

• A) An adjusted odds ratio would not provide a valid effect size.
• B) An adjusted odds ratio could not be used as the sample was too large.
• C) An adjusted odds ratio could not be used as the sample was too small.
• D) none of the above.

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