TY - JOUR
T1 - The food environment and diet quality of urban-dwelling older women and men
T2 - assessing the moderating role of diet knowledge
AU - Mercille, Genevieve
AU - Richard, Lucie
AU - Gauvin, Lise
AU - Kestens, Yan
AU - Shatenstein, Bryna
AU - DANIEL, Mark
AU - Payette, Helene
N1 - Funding Information:
Acknowledgements: This work was supported by the Canadian Institutes of Health Research (grant MOP-173669 to the VoisiNuAge study and MOP-62842 to the NuAge Study, and grant MFE-226542 to GM) and the Fonds de la recherche en santé du Québec (grant #16207 to LR and #20328 to YK). LG held a CIHR/CRPO (Canadian Institutes of Health Research/Centre de recherche en prévention de l’obésité) Applied Public Health Chair on Neighbourhoods, Lifestyle, and Healthy Body Weight. GM was also supported by the Strategic Training Program in Transdisciplinary Research on Public Health Interventions: Promotion, Prevention and Public Policy (4P), a partnership of CIHR and the Québec Population Health Research Network. YK holds a CIHR Applied Public Health Chair on Urban Interventions and Population Health. The results presented in this paper are solely the responsibility of the authors and do not necessarily represent the view of the funders.
Publisher Copyright:
© 2016 Canadian Public Health Association or its licensor.
PY - 2016
Y1 - 2016
N2 - Objectives: The relationships between local food environments and dietary patterns are important for older adults and could be different in men and women. We examined associations between exposure to neighbourhood food sources and food consumption and the moderating role of diet knowledge separately among older women and men living in Montreal in 2003–2005 (n = 722). Methods: The proportion of fast-food outlets relative to all restaurants (%FFO) and the proportion of healthy food stores relative to all stores (%HFS) were estimated for 500 m buffers around participants’ homes. Two dietary patterns, designated ”Western” and ”prudent”, reflecting lower- and higher-quality diets respectively, were identified from food frequency questionnaire data. The unique and interactive effects of diet knowledge and food-source exposure on diet scores were tested with separate linear regression models for women and men. Results: For men, greater %FFO exposure was related to lower prudent diet scores (β = −0.18, p = 0.02), but no effect of %HFS exposure was observed and no interactions were statistically significant. For women, an inverse relationship between %FFO and prudent diet scores was strongest among those with low diet knowledge (β = −0.22, p < 0.01). No other associations were statistically significant. Conclusion: Older men’s diet patterns may reflect unhealthy cues associated with fast-food outlets. Among women, diet knowledge potentiated both negative and positive relationships with the food environment. In the absence of consistent main effects of the food environment on diet scores, subgroup analysis is a promising avenue for research.
AB - Objectives: The relationships between local food environments and dietary patterns are important for older adults and could be different in men and women. We examined associations between exposure to neighbourhood food sources and food consumption and the moderating role of diet knowledge separately among older women and men living in Montreal in 2003–2005 (n = 722). Methods: The proportion of fast-food outlets relative to all restaurants (%FFO) and the proportion of healthy food stores relative to all stores (%HFS) were estimated for 500 m buffers around participants’ homes. Two dietary patterns, designated ”Western” and ”prudent”, reflecting lower- and higher-quality diets respectively, were identified from food frequency questionnaire data. The unique and interactive effects of diet knowledge and food-source exposure on diet scores were tested with separate linear regression models for women and men. Results: For men, greater %FFO exposure was related to lower prudent diet scores (β = −0.18, p = 0.02), but no effect of %HFS exposure was observed and no interactions were statistically significant. For women, an inverse relationship between %FFO and prudent diet scores was strongest among those with low diet knowledge (β = −0.22, p < 0.01). No other associations were statistically significant. Conclusion: Older men’s diet patterns may reflect unhealthy cues associated with fast-food outlets. Among women, diet knowledge potentiated both negative and positive relationships with the food environment. In the absence of consistent main effects of the food environment on diet scores, subgroup analysis is a promising avenue for research.
KW - Diet
KW - Effect modifier
KW - Food supply
KW - Older adults
KW - Urban population
UR - http://www.scopus.com/inward/record.url?scp=84973643400&partnerID=8YFLogxK
U2 - 10.17269/CJPH.107.5309
DO - 10.17269/CJPH.107.5309
M3 - Article
SN - 0008-4263
VL - 107
SP - eS34-eS41
JO - Canadian Journal of Public Health
JF - Canadian Journal of Public Health
ER -