codebook / nhanes2018 / OHQ850

OHQ850 // {Have you/Has SP} ever had treatment for gum disease such as scaling and root planing, sometimes called "deep cleaning"?

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attributes

datasetnhanes2018 · NHANES 2017-2018 Cycle
typecategorical
role
data fileOHQ_J
keywords

Coded values

codemeaning
1Yes
2No