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Supermarket Choice, Shopping Behavior, Socioeconomic Status, and Food Purchases.
Am J Prev Med. 2015 Dec; 49(6):868-77.AJ

Abstract

INTRODUCTION

Both SES and supermarket choice have been associated with diet quality. This study aimed to assess the contributions of supermarket choice and shopping behaviors to the healthfulness of purchases and social patterning in purchases.

METHODS

Observational panel data on purchases of fruit and vegetables and less-healthy foods/beverages from 2010 were obtained for 24,879 households, stratified by occupational social class (analyzed in 2014). Households' supermarket choice was determined by whether they ever visited market-defined high- or low-price supermarkets. Analyses also explored extent of use within supermarket choice groups. Shopping behaviors included trip frequency, trip size, and number of store chains visited.

RESULTS

Households using low-price (and not high-price) supermarkets purchased significantly lower percentages of energy from fruit and vegetables and higher percentages of energy from less-healthy foods/beverages than households using high-price (and not low-price) supermarkets. When controlling for SES and shopping behaviors, the effect of supermarket choice was reduced but remained significant for both fruit and vegetables and less-healthy foods/beverages. The extent of use of low- or high-price supermarkets had limited effects on outcomes. More-frequent trips and fewer small trips were associated with healthier purchasing for both outcomes; visiting more store chains was associated with higher percentages of energy from fruit and vegetables.

CONCLUSIONS

Although both supermarket choice and shopping behaviors are associated with healthfulness of purchases, neither appears to contribute to socioeconomic differences. Moreover, differences between supermarket environments may not be primary drivers of the relationship between supermarket choice and healthfulness of purchases.

Authors+Show Affiliations

Behaviour and Health Research Unit, Institute of Public Health, University of Cambridge, Cambridge, United Kingdom;. Electronic address: rachel.pechey@medschl.cam.ac.uk.Centre for Diet and Activity Research, University of Cambridge, School of Clinical Medicine, Institute of Metabolic Science, Cambridge, United Kingdom.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

26163172

Citation

Pechey, Rachel, and Pablo Monsivais. "Supermarket Choice, Shopping Behavior, Socioeconomic Status, and Food Purchases." American Journal of Preventive Medicine, vol. 49, no. 6, 2015, pp. 868-77.
Pechey R, Monsivais P. Supermarket Choice, Shopping Behavior, Socioeconomic Status, and Food Purchases. Am J Prev Med. 2015;49(6):868-77.
Pechey, R., & Monsivais, P. (2015). Supermarket Choice, Shopping Behavior, Socioeconomic Status, and Food Purchases. American Journal of Preventive Medicine, 49(6), 868-77. https://doi.org/10.1016/j.amepre.2015.04.020
Pechey R, Monsivais P. Supermarket Choice, Shopping Behavior, Socioeconomic Status, and Food Purchases. Am J Prev Med. 2015;49(6):868-77. PubMed PMID: 26163172.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Supermarket Choice, Shopping Behavior, Socioeconomic Status, and Food Purchases. AU - Pechey,Rachel, AU - Monsivais,Pablo, Y1 - 2015/07/07/ PY - 2015/01/06/received PY - 2015/03/30/revised PY - 2015/04/21/accepted PY - 2015/7/12/entrez PY - 2015/7/15/pubmed PY - 2016/9/17/medline SP - 868 EP - 77 JF - American journal of preventive medicine JO - Am J Prev Med VL - 49 IS - 6 N2 - INTRODUCTION: Both SES and supermarket choice have been associated with diet quality. This study aimed to assess the contributions of supermarket choice and shopping behaviors to the healthfulness of purchases and social patterning in purchases. METHODS: Observational panel data on purchases of fruit and vegetables and less-healthy foods/beverages from 2010 were obtained for 24,879 households, stratified by occupational social class (analyzed in 2014). Households' supermarket choice was determined by whether they ever visited market-defined high- or low-price supermarkets. Analyses also explored extent of use within supermarket choice groups. Shopping behaviors included trip frequency, trip size, and number of store chains visited. RESULTS: Households using low-price (and not high-price) supermarkets purchased significantly lower percentages of energy from fruit and vegetables and higher percentages of energy from less-healthy foods/beverages than households using high-price (and not low-price) supermarkets. When controlling for SES and shopping behaviors, the effect of supermarket choice was reduced but remained significant for both fruit and vegetables and less-healthy foods/beverages. The extent of use of low- or high-price supermarkets had limited effects on outcomes. More-frequent trips and fewer small trips were associated with healthier purchasing for both outcomes; visiting more store chains was associated with higher percentages of energy from fruit and vegetables. CONCLUSIONS: Although both supermarket choice and shopping behaviors are associated with healthfulness of purchases, neither appears to contribute to socioeconomic differences. Moreover, differences between supermarket environments may not be primary drivers of the relationship between supermarket choice and healthfulness of purchases. SN - 1873-2607 UR - https://www.unboundmedicine.com/medline/citation/26163172/Supermarket_Choice_Shopping_Behavior_Socioeconomic_Status_and_Food_Purchases_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0749-3797(15)00204-4 DB - PRIME DP - Unbound Medicine ER -