label: During the last 7D, on how many D did you travel in a motor vehicle like a train, bus, car, or tram:NRat:7D:^Patient:Qn:IPAQ
label_lc: during the last 7d, on how many d did you travel in a motor vehicle like a train, bus, car, or tram:nrat:7d:^patient:qn:ipaq