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. Author manuscript; available in PMC: 2017 Nov 28.
Published in final edited form as: J Appl Meas. 2017;18(2):178–193.
Bus ……………………………0
Drive – myself ……………………………1
Drive – someone else drives me ……………………………2
L train ……………………………3
Taxi ……………………………4
Walk ……………………………5
Other (specify) _____________ ……………………………6