Primary Sampling Unit
Site ID
Observation ID
Home Zipcode
Tire pressure info primarily from, Specify
Checking tire pressure is responsibility of, Specify
Observed-Body Type
Observed-Sex
Observed-Age Category
Have TPMS?
Educational attainment
Owner of vehicle
New or used when acquired
Have any tires been replaced?
Tire pressure info primarily from
Checking tire pressure is responsibility of
Last time tire pressure checked
Last time air put in
Last time air put in, method
Driver Age
Observed # of Persons in Vehicle
Time owned vehicle
Interview Language