A Smartphone App Combining Global Positioning System Data and Ecological Momentary Assessment to Track Individual Food Environment Exposure, Food Purchases, and Food Consumption: Protocol for the Observational FoodTrack Study
A Smartphone App Combining Global Positioning System Data and Ecological Momentary Assessment to Track Individual Food Environment Exposure, Food Purchases, and Food Consumption: Protocol for the Observational FoodTrack Study
Maartje P Poelman
1, 2
, PhD
;
Frank J van Lenthe
2, 3
, PhD
;
Simon Scheider
2
, PhD
;
Carlijn BM Kamphuis
4
, PhD
1
Chair Group Consumption and Healthy Lifestyles
,
Wageningen University and Research
,
Wageningen
,
NL
2
Department of Human Geography and Spatial Planning
,
Utrecht University
,
Utrecht
,
NL
3
Department of Public Health
,
Erasmus University Medical Center Rotterdam
,
Rotterdam
,
NL
4
Department of Interdisciplinary Social Science
,
Utrecht University
,
Utrecht
,
NL
Corresponding Author:
-
Maartje P Poelman, PhD
-
Chair Group Consumption and Healthy Lifestyles
-
Wageningen University and Research
-
PO Box 8130
-
Wageningen
-
NL
-
Phone:
31 317 483401
-
Email: maartje.poelman@wur.nl