codebook / nhanes2018 / HSQ580

HSQ580 // How long ago was {your/SP's} last blood donation?

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attributes

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

Coded values

codemeaning
11
22
33
44
55
66
77
88
99
1010
1111
1212