Idan Hollander, Kerem Avital, Uri Goldbourt, Assaf Buch
{"title":"评估营养和食品成本评估：收银机收据可能是ffq的另一种选择-饮食研究中的准确性和可行性。","authors":"Idan Hollander, Kerem Avital, Uri Goldbourt, Assaf Buch","doi":"10.1136/bmjnph-2024-001145","DOIUrl":null,"url":null,"abstract":"<p><strong>Objective: </strong>Comparing two dietary cost measurements at the individual level: 'Food Frequency Questionnaire (FFQ) and supermarkets prices' with 'cash-register-receipts-items'.</p><p><strong>Design: </strong>Method comparison study. <i>Reference method:</i> participants collected receipts of food purchases for 28 days; <i>conventional method:</i> participants completed a diet-specific online FFQ.</p><p><strong>Setting: </strong>A Vegan Israeli Study substudy.</p><p><strong>Participants: </strong>30 participants were recruited using advertisements on social media.</p><p><strong>Main outcome measure: </strong>Average diet cost, energy and nutrients consumption, generated by: (1) items on receipts; (2) online FFQ with supermarkets prices.</p><p><strong>Analysis: </strong>Examining correlations between methods and generating Bland-Altman graphs.</p><p><strong>Results: </strong>Agreement between measurement tools increased when 'eating-away-from-home' dietary costs were omitted from the analysis, from differences of 1453 New Israeli Shekel (NIS)/28 days (414 US$/28 days) higher to 1010 NIS/28-days (288 US$/28days) lower compared with differences of 756 NIS/28 days (215 US$/28 days) higher to 1159 NIS/28 days (330 US$/28 days) lower. Moreover, the Pearson correlation between methods, which was r=0.29 (p=0.13), increased to r=0.52 (p<0.0042). Finally, Pearson correlations between questionnaire-based and receipt-based nutrients were: energy=0.58 (p=0.001); protein=0.46 (p=0.012); fat=0.50 (p=0.005); carbohydrates=0.76 (p<0.001); calcium=0.46 (p=0.012); and iron=0.37 (p=0.049).</p><p><strong>Conclusions and implications: </strong>The dietary cost of the 'FFQ-and-supermarket-prices' method is more strongly correlated and agreeable with the 'cash-register-receipts-items' method when 'eating-away-from-home' items are omitted, indicating that 'eating-away-from-home' costs are poorly estimated when using the standard 'FFQ-and-supermarket-prices' method. Finally, estimating energy, carbohydrates, protein, fat, calcium and iron using 'cash-register-receipts-items' is feasible.</p>","PeriodicalId":36307,"journal":{"name":"BMJ Nutrition, Prevention and Health","volume":"8 1","pages":"e001145"},"PeriodicalIF":2.5000,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12322539/pdf/","citationCount":"0","resultStr":"{\"title\":\"Evaluating nutritional and food cost assessments: cash-register receipts may be an alternative for FFQs - accuracy and feasibility in a dietary study.\",\"authors\":\"Idan Hollander, Kerem Avital, Uri Goldbourt, Assaf Buch\",\"doi\":\"10.1136/bmjnph-2024-001145\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Objective: </strong>Comparing two dietary cost measurements at the individual level: 'Food Frequency Questionnaire (FFQ) and supermarkets prices' with 'cash-register-receipts-items'.</p><p><strong>Design: </strong>Method comparison study. <i>Reference method:</i> participants collected receipts of food purchases for 28 days; <i>conventional method:</i> participants completed a diet-specific online FFQ.</p><p><strong>Setting: </strong>A Vegan Israeli Study substudy.</p><p><strong>Participants: </strong>30 participants were recruited using advertisements on social media.</p><p><strong>Main outcome measure: </strong>Average diet cost, energy and nutrients consumption, generated by: (1) items on receipts; (2) online FFQ with supermarkets prices.</p><p><strong>Analysis: </strong>Examining correlations between methods and generating Bland-Altman graphs.</p><p><strong>Results: </strong>Agreement between measurement tools increased when 'eating-away-from-home' dietary costs were omitted from the analysis, from differences of 1453 New Israeli Shekel (NIS)/28 days (414 US$/28 days) higher to 1010 NIS/28-days (288 US$/28days) lower compared with differences of 756 NIS/28 days (215 US$/28 days) higher to 1159 NIS/28 days (330 US$/28 days) lower. Moreover, the Pearson correlation between methods, which was r=0.29 (p=0.13), increased to r=0.52 (p<0.0042). Finally, Pearson correlations between questionnaire-based and receipt-based nutrients were: energy=0.58 (p=0.001); protein=0.46 (p=0.012); fat=0.50 (p=0.005); carbohydrates=0.76 (p<0.001); calcium=0.46 (p=0.012); and iron=0.37 (p=0.049).</p><p><strong>Conclusions and implications: </strong>The dietary cost of the 'FFQ-and-supermarket-prices' method is more strongly correlated and agreeable with the 'cash-register-receipts-items' method when 'eating-away-from-home' items are omitted, indicating that 'eating-away-from-home' costs are poorly estimated when using the standard 'FFQ-and-supermarket-prices' method. Finally, estimating energy, carbohydrates, protein, fat, calcium and iron using 'cash-register-receipts-items' is feasible.</p>\",\"PeriodicalId\":36307,\"journal\":{\"name\":\"BMJ Nutrition, Prevention and Health\",\"volume\":\"8 1\",\"pages\":\"e001145\"},\"PeriodicalIF\":2.5000,\"publicationDate\":\"2025-05-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12322539/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"BMJ Nutrition, Prevention and Health\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1136/bmjnph-2024-001145\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2025/1/1 0:00:00\",\"PubModel\":\"eCollection\",\"JCR\":\"Q2\",\"JCRName\":\"NUTRITION & DIETETICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"BMJ Nutrition, Prevention and Health","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1136/bmjnph-2024-001145","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/1/1 0:00:00","PubModel":"eCollection","JCR":"Q2","JCRName":"NUTRITION & DIETETICS","Score":null,"Total":0}
Evaluating nutritional and food cost assessments: cash-register receipts may be an alternative for FFQs - accuracy and feasibility in a dietary study.
Objective: Comparing two dietary cost measurements at the individual level: 'Food Frequency Questionnaire (FFQ) and supermarkets prices' with 'cash-register-receipts-items'.
Design: Method comparison study. Reference method: participants collected receipts of food purchases for 28 days; conventional method: participants completed a diet-specific online FFQ.
Setting: A Vegan Israeli Study substudy.
Participants: 30 participants were recruited using advertisements on social media.
Main outcome measure: Average diet cost, energy and nutrients consumption, generated by: (1) items on receipts; (2) online FFQ with supermarkets prices.
Analysis: Examining correlations between methods and generating Bland-Altman graphs.
Results: Agreement between measurement tools increased when 'eating-away-from-home' dietary costs were omitted from the analysis, from differences of 1453 New Israeli Shekel (NIS)/28 days (414 US$/28 days) higher to 1010 NIS/28-days (288 US$/28days) lower compared with differences of 756 NIS/28 days (215 US$/28 days) higher to 1159 NIS/28 days (330 US$/28 days) lower. Moreover, the Pearson correlation between methods, which was r=0.29 (p=0.13), increased to r=0.52 (p<0.0042). Finally, Pearson correlations between questionnaire-based and receipt-based nutrients were: energy=0.58 (p=0.001); protein=0.46 (p=0.012); fat=0.50 (p=0.005); carbohydrates=0.76 (p<0.001); calcium=0.46 (p=0.012); and iron=0.37 (p=0.049).
Conclusions and implications: The dietary cost of the 'FFQ-and-supermarket-prices' method is more strongly correlated and agreeable with the 'cash-register-receipts-items' method when 'eating-away-from-home' items are omitted, indicating that 'eating-away-from-home' costs are poorly estimated when using the standard 'FFQ-and-supermarket-prices' method. Finally, estimating energy, carbohydrates, protein, fat, calcium and iron using 'cash-register-receipts-items' is feasible.
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