Evidence from the Hamburg City Health Study - association between education and periodontitis.

BMC Public Health · 2022 · PMC9438138 · PMID 36056348

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might not be significantno p-value reported

However, in the sub-group of participants with severe periodontitis we only had small samples sizes of immigrated participants ( n = 161) and participants with migration background ( n = 44), and the effect of a migration background as a potential confounder might not be significant because of a lack of power.

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