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nhanes2018
/ VTD244B
VTD244B
//
How long ago, in hours, did {you/she/he} pump gas into a car or other motor vehicle {yourself/herself/ himself}?
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attributes · 属性
数据集
nhanes2018
· NHANES 2017-2018 Cycle
类型
categorical
角色
数据文件
VTQ_J
关键词
取值编码
编码
含义
1 to 48
Range of Values
0
Less than one hour