Questionnaire items and physical activity summary variables in TPAQ.

†Journey purposes: to and from work; business journeys; to and from a place of study or to and from school; for shopping and personal business; to visit friends and relatives and for other social activities. Wt = walking for transport; Ct = cycling for transport; Wr = Walking for recreation; Cr = cycling for recreation; VPA = vigorous physical activity; MPA = moderate physical activity; TPA = Total physical activity; MPA = moderate physical activity; TPA = Total physical activity; MVPA = moderate-to-vigorous physical activity.r = reliability study;v = validity study;f = frequency of participation assessed in reliability study as separate variable;♦summed across all journey purposes. The full survey is available at http://bmjopen.bmj.com/content/suppl/2012/02/04/bmjopen-2011-000694.DC1/bmjopen-2011-000694-s1.pdfQuestionnaire items and physical activity summary variables in TPAQ.