A Time-Based Objective Measure of Exposure to the Food Environment
Autor: | Anne Vernez Moudon, Adam Drewnowski, Jason Scully, Philip M. Hurvitz, Anju Aggarwal |
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Jazyk: | angličtina |
Rok vydání: | 2019 |
Předmět: |
Adult
Male Restaurants Health Toxicology and Mutagenesis GPS lcsh:Medicine mobility patterns Time duration Time based Logistic regression complex mixtures Article Odds Food Supply 03 medical and health sciences 0302 clinical medicine Residence Characteristics Fast food Surveys and Questionnaires selective mobility bias Medicine Humans 030212 general & internal medicine Obesity Travel 030505 public health spatio-temporal exposure business.industry digestive oral and skin physiology lcsh:R Public Health Environmental and Occupational Health Middle Aged equipment and supplies Texas 3. Good health Gps data cardiovascular system Geographic Information Systems bacteria Fast Foods Female Self Report 0305 other medical science business Food environment Demography |
Zdroj: | International Journal of Environmental Research and Public Health, Vol 16, Iss 7, p 1180 (2019) International Journal of Environmental Research and Public Health Volume 16 Issue 7 |
ISSN: | 1660-4601 |
Popis: | Exposure to food environments has mainly been limited to counting food outlets near participants&rsquo homes. This study considers food environment exposures in time and space using global positioning systems (GPS) records and fast food restaurants (FFRs) as the environment of interest. Data came from 412 participants (median participant age of 45) in the Seattle Obesity Study II who completed a survey, wore GPS receivers, and filled out travel logs for seven days. FFR locations were obtained from Public Health Seattle King County and geocoded. Exposure was conceptualized as contact between stressors (FFRs) and receptors (participants&rsquo mobility records from GPS data) using four proximities: 21 m, 100 m, 500 m, and ½ mile. Measures included count of proximal FFRs, time duration in proximity to &ge 1 FFR, and time duration in proximity to FFRs weighted by FFR counts. Self-reported exposures (FFR visits) were excluded from these measures. Logistic regressions tested associations between one or more reported FFR visits and the three exposure measures at the four proximities. Time spent in proximity to an FFR was associated with significantly higher odds of FFR visits at all proximities. Weighted duration also showed positive associations with FFR visits at 21-m and 100-m proximities. FFR counts were not associated with FFR visits. Duration of exposure helps measure the relationship between the food environment, mobility patterns, and health behaviors. The stronger associations between exposure and outcome found at closer proximities (< 100 m) need further research. |
Databáze: | OpenAIRE |
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