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Table 1 Protocol components, measures and variables of interest

From: Understanding the role of contrasting urban contexts in healthy aging: an international cohort study using wearable sensor devices (the CURHA study protocol)

Protocol component Data/measures Derived variables of interest (non-exhaustive list)
7-day GPS and accelerometer Daily mobility, physical activity, sedentary time Activity space indicators, time spent in various locations, distance travelled, transportation modes used, number of steps, sedentary time, light activity, mvpa
7-day diary of self-reported destinations and social contacts Complementary information on transportation modes used, destination types, and social contacts Transportation modes, number of in-person social contacts
VERITAS socio-spatial questionnaire Location of regular destinations, frequency of visit, social network characteristics, novel socio-spatial indicators Regular destination activity space indicators, social network size, strengths, spatial print of social network
Qualitative assessment of mobility and place experience (Go-along method) Qualitative assessment of sens of place, meanings of mobility Understanding meaning of mobility, urban environment characteristics, and social networks for aging
CAPI Questionnaires Numerous outcomes and control variables including health and perceived environment Health outcomes of interest include well-being, happiness, mental health, physical activity, social participation
Geographic Information Systems Land use, transportation infrastructure, ressources, greenness, neighbourhood composition Land use mix, accessibility to local resources including transportation, libraries, community organisations, social composition indicators