Association Between the Nutritional Quality of Food Purchases and Household Food at Home Expenditures in Mexico - 26/07/24
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Abstract |
Background |
Poor-quality diets are a major risk factor for noncommunicable diseases. Few studies in Mexico have tested whether higher expenditures are needed to purchase high-quality food.
Objective |
The objective of the study was to assess how dietary quality of food purchases was associated with household food at home expenditures.
Design |
This study was a secondary analysis of cross-sectional data from the National Household Income and Expenditure Survey (EncuestaNacional de Ingresos y Gastos de los Hogares [ENIGH] 2018).
Participants/setting |
The study included 74 469 households with information on food and beverage purchases in Mexico in 2018.
Main outcome measures |
Quarterly household food at home expenditures by adult equivalent (AE) for all food groups that were scored with the Global Dietary Quality Score (GDQS) for food purchases expressed in dollars/quarterly/AE.
Statistical analyses performed |
Adjusted generalized linear models were used to evaluate the association between GDQS for food purchases (expressed in tertiles: low, mid, and high) and quarterly food expenditures. The analyses were performed at the national level by place of residence and income quintile.
Results |
At the national level, the difference in food expenditures between the high- and the low-GDQS groups was +$13.85/AE. By place of residence, the difference between the high- and the low-GDQS groups was +$17.31/AE in urban and +$5.12/AE in rural areas. For income quintile 1 (lowest), there was a statistical difference of –$4.79/AE and +$43.25 for quintile 5 (highest).
Conclusions |
Quality of food purchases can be associated with higher or lower expenditures depending on the specific food purchased. High GDQS is associated with lower expenditures among the lowest-income households as they purchase less expensive options compared with high-income households.
Le texte complet de cet article est disponible en PDF.Keywords : Global Diet Quality Score, Food quality, Food purchases, Expenditures, Mexico
Plan
| Supplementary materials:Figure 2 and Figure 3 and Table 1, Table 4, and Table 6 are available at www.jandonline.org |
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| STATEMENT OF POTENTIAL CONFLICT OF INTEREST The authors have no conflict of interest to declare. |
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| FUNDING/SUPPORT There is no funding to disclose. |
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| AUTHOR CONTRIBUTIONS M. A. Colchero and N. A. Sánchez-Ortiz were responsible for the conception of the project. N. A. Sánchez-Ortiz, A. Castellanos-Gutiérrez, C. Batis, and M. A. Colchero developed the general research plan. N. A. Sánchez-Ortiz wrote the static program and prepared the initial draft of the document. Successive drafts were developed by N. A. Sánchez-Ortiz, A. Castellanos-Gutiérrez, C. Batis, and M. A. Colchero. All authors reviewed and approved the final version. |
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