Extending the Theory of Planned Behavior for Explaining Dietary Quality : The Role of Financial Scarcity and Food Insecurity Status
Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved..
OBJECTIVE: To examine whether an extended Theory of Planned Behavior (TPB) that included finance-related barriers better explained dietary quality.
DESIGN: Cross-sectional survey.
PARTICIPANTS: One-thousand and thirty-three participants were included from a Dutch independent adult panel.
MAIN OUTCOME: Dietary quality.
ANALYSIS: Five TPB models were assessed: a traditional TPB, a TPB that included direct associations between attitude and subjective norm with dietary quality, a TPB that additionally included financial scarcity or food insecurity, and a TPB that additionally included financial scarcity and food insecurity simultaneously. Structural relationships among the constructs were tested to compare the explanatory power.
RESULTS: The traditional TPB showed poorest fit (χ2/degrees of freedom = 11; comparative fit index = 0.75; root mean square error of approximation [95% confidence interval], 0.10 [0.091-0.12]; standardized root mean square residual = 0.049), the most extended TPB (including both financial scarcity and food insecurity) showed best fit (χ2/degrees of freedom = 3.3; comparative fit index = 0.95; root mean square error of approximation [95% confidence interval], 0.050 [0.035-0.065]; standardized root mean square residual = 0.018). All 5 structure models explained ∼42% to 43% of the variance in intention; however, the variance in dietary quality was better explained by the extended TPB models, including food insecurity and/or financial scarcity (∼22%) compared with the traditional TBP (∼7%), indicating that these models better explained differences in dietary quality.
CONCLUSIONS AND IMPLICATIONS: These findings highlight the importance of accounting for finance-related barriers to healthy eating like financial scarcity or food insecurity to better understand individual dietary behaviors in lower socioeconomic groups.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:54 |
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| Enthalten in: |
Journal of nutrition education and behavior - 54(2022), 7 vom: 26. Juli, Seite 636-646 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
van der Velde, Laura A [VerfasserIn] |
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| Links: |
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| Themen: |
Diet quality |
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| Anmerkungen: |
Date Completed 12.07.2022 Date Revised 03.09.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jneb.2022.02.019 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 500 | |a Date Revised 03.09.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved. | ||
| 520 | |a OBJECTIVE: To examine whether an extended Theory of Planned Behavior (TPB) that included finance-related barriers better explained dietary quality | ||
| 520 | |a DESIGN: Cross-sectional survey | ||
| 520 | |a PARTICIPANTS: One-thousand and thirty-three participants were included from a Dutch independent adult panel | ||
| 520 | |a MAIN OUTCOME: Dietary quality | ||
| 520 | |a ANALYSIS: Five TPB models were assessed: a traditional TPB, a TPB that included direct associations between attitude and subjective norm with dietary quality, a TPB that additionally included financial scarcity or food insecurity, and a TPB that additionally included financial scarcity and food insecurity simultaneously. Structural relationships among the constructs were tested to compare the explanatory power | ||
| 520 | |a RESULTS: The traditional TPB showed poorest fit (χ2/degrees of freedom = 11; comparative fit index = 0.75; root mean square error of approximation [95% confidence interval], 0.10 [0.091-0.12]; standardized root mean square residual = 0.049), the most extended TPB (including both financial scarcity and food insecurity) showed best fit (χ2/degrees of freedom = 3.3; comparative fit index = 0.95; root mean square error of approximation [95% confidence interval], 0.050 [0.035-0.065]; standardized root mean square residual = 0.018). All 5 structure models explained ∼42% to 43% of the variance in intention; however, the variance in dietary quality was better explained by the extended TPB models, including food insecurity and/or financial scarcity (∼22%) compared with the traditional TBP (∼7%), indicating that these models better explained differences in dietary quality | ||
| 520 | |a CONCLUSIONS AND IMPLICATIONS: These findings highlight the importance of accounting for finance-related barriers to healthy eating like financial scarcity or food insecurity to better understand individual dietary behaviors in lower socioeconomic groups | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Theory of Planned Behavior | |
| 650 | 4 | |a diet quality | |
| 650 | 4 | |a financial scarcity | |
| 650 | 4 | |a food insecurity | |
| 700 | 1 | |a van Dijk, Wilco W |e verfasserin |4 aut | |
| 700 | 1 | |a Numans, Mattijs E |e verfasserin |4 aut | |
| 700 | 1 | |a Kiefte-de Jong, Jessica C |e verfasserin |4 aut | |
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