Validation of the INDDEX24 mobile app <i>v</i>. a pen-and-paper 24-hour dietary recall using the weighed food record as a benchmark in Burkina Faso

Rogers, Beatrice Lorge; Somé, Jérôme W.; Bakun, Peter; Adams, Katherine; Bell, Winnie; Wafa, Sarah; Coates, Jennie

doi:10.1017/s0007114521004700

Cited by 7 publications

(8 citation statements)

References 48 publications

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“…create numerous challenges for accurate dietary assessment, whether done through direct observation and weighing or by recall. That the INDDEX24 Dietary Assessment Platform performed well in this context, together with similar results from a parallel study conducted by many of the same researchers in Burkina Faso (20) , lends confidence to its use in other LMIC with potentially less varied eating patterns and overall diets. Additional testing and validation of INDDEX24 is warranted, on surveys of different scales (e.g.…”

Section: Discussionsupporting

confidence: 54%

“…This study, implemented by the Tufts University Friedman School and the National Institute of Nutrition (NIN) in Viet Nam, alongside a parallel effort by the INDDEX Project in Burkina Faso (20) , aims to fill the following knowledge gaps in the context of Viet Nam: (1) What is the relative accuracy of INDDEX24 compared with a PAPI 24HR for measuring intake of specific food groups and nutrients of public health concern in LMIC? ('accuracy component') (2) What is the relative costeffectiveness of the INDDEX24 v. PAPI modality ('cost-effectivenes component'), defined as cost-per-average percentage point of accuracy?…”

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confidence: 99%

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Accuracy and cost-effectiveness of the INDDEX24 Dietary Assessment Platform in Viet Nam

et al. 2022

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Technology-enabled approaches to conducting 24-hour dietary recalls (24HR) may reduce dietary assessment bottlenecks in low-resource settings. However, few studies have assessed their performance relative to conventional pen-and-paper interview (PAPI) approaches and none have validated performance against a benchmark (e.g. weighed food record [WFR]) in a low and middle-income country (LMIC). This study assessed relative accuracy and cost-effectiveness of INDDEX24, a technology-enabled approach to conducting 24HR, compared to a PAPI approach and against an observer WFR. Women aged 18-49 years from northern Viet Nam (n=234) were randomly assigned to be interviewed using INDDEX24 or PAPI 24HR following a WFR. The two one-sided T-test approach assessed the equivalence of each recall modality to the benchmark. Difference-in-differences analysis compared the recall-benchmark results across modalities. Cost per percentage point of accuracy for INDDEX24 and PAPI was derived from accuracy results and the cost to conduct the 24HRs. The PAPI and INDDEX24 24HRs were statistically equivalent to the WFR for all nutrients except vitamin A. INDDEX24 diverged significantly less than PAPI from the WFR for iron (0.9 v. -1.3 mg) and PAPI diverged less for protein (-3.7 v. 7.9 grams). At the individual level, 26% of PAPI and 32% of INDDEX24 respondents had energy intakes within +/- 10% of the WFR. INDDEX24 cost $111,004 and the PAPI $120,483 (USD 2019), making INDDEX24 more cost-effective across most indicators. INDDEX24 was an accurate and cost-effective method for assessing dietary intake in the study context and represents a preferred alternative to PAPI 24HRs in Viet Nam and other LMICs.

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Section: Discussionsupporting

confidence: 54%

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confidence: 99%

Accuracy and cost-effectiveness of the INDDEX24 Dietary Assessment Platform in Viet Nam

et al. 2022

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“…Dietary intake was assessed among adolescents in various days of the week youth using INDDEX24's multiple‐pass quantitative 24‐h recall 16,17 . To estimate the distribution of usual intake and to account for within‐person variation, a subset of participants (10%) was selected to have a second 24‐h recalls in a nonconsecutive day.…”

Section: Methodsmentioning

confidence: 99%

Dietary intake and occupational status among female youths of Thai Nguyen, Vietnam

Tran,

Nguyen,

Hoang

et al. 2023

Annals of the New York Academy of Sciences

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Adolescence is a sensitive transition time that affects rights, roles, and responsibilities in food choice, yet limited evidence exists on dietary intakes during this critical period. This study assessed the food consumption pattern and the adequacy of energy, macronutrient, and micronutrient intakes among female youth belonging to three occupational groups in Vietnam. Dietary intakes were measured for 1001 participants aged 16–22 years using INDDEX24's 24‐h recall method. Multivariate regression analyses were conducted to examine differences in diet outcomes among the three occupational groups. Dietary diversity was similar across groups but workers, compared to high school and college students, consumed less baked/grain‐based sweets and fast foods, and more soft drinks, other sweets, and processed meat. Two‐thirds of the sample showed energy intake lower than the estimated energy requirement, while a substantial percentage had insufficient or excessive intake of carbohydrate and fat. The mean probability of adequacy of nutrient intakes was low (0.33) and not different across all three occupational groups except for folate, which favored workers. Our study provides novel evidence supporting the development and implementation of interventions to achieve national targets, with emphasis on female youths who undergo special transitions in education, occupation, and lifestyle.

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“…Innovations to develop and apply assessment tools that are more field-friendly may increase availability of the information needed to adjust fortification programs. For example, tablet-based programs have been developed to facilitate the collection of dietary intake data [ 70 ], and new statistical tools can decrease the time and cost of data analysis [ 71 ]. Where there are questions related to the coverage and contribution of other fortification programs, targeted assessments such as the Fortification Assessment Coverage Tool may suffice [ 72 ].…”

Section: Areas Of Further Research Neededmentioning

confidence: 99%

The Role of Multiply-Fortified Table Salt and Bouillon in Food Systems Transformation

et al. 2022

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Our global food system lacks the critically needed micronutrients to meet the daily requirements of the most at-risk populations. Diets also continue to shift toward unhealthy foods, including the increased intake of salt. While most countries exceed the WHO’s recommended levels, sodium does play an essential physiological role. Table salt and other salt-containing condiments, such as bouillon, also have cultural importance, as they are used to enhance the flavor of foods cooked at home. Given their universal consumption across income classes and both urban and rural populations, these condiments are an integral part of the food system and should, therefore, be part of its transformation. Fortification of salt and salt-containing condiments can play a catalytic role in the delivery of population-wide nutritional and health benefits. With relatively consistent levels of intake across the population, these condiments hold high potential for delivering micronutrients beyond iodine while also reducing concerns related to high micronutrient intake, particularly so in countries where the industries are relatively consolidated. As a flexible and complementary strategy to an evolving food system, fortification levels can also be adjusted over time to ensure micronutrient delivery targets continue to be achieved as the system improves, whether through lower intakes of sodium in line with WHO recommendations, enhanced consumption of nutrient-dense foods, and/or broader adoption of biofortified crops. Future areas of innovation are required to realize this vision, including developing affordable salt substitutes to meet cost requirements of consumers in low-and middle-income countries, improving the stability and bioavailability of the micronutrients in condiments so that delivery targets can be reached without affecting sensory attributes, and the development of efficient systems for monitoring population intake and micronutrient status to inform fortification program design and management. Rather than being considered antithetical to the transformation, multiply-fortified salt and bouillon can strengthen our ability to meet the cultural, sensory, nutritional, and health needs of an evolving food system.

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Validation of the INDDEX24 mobile app v. a pen-and-paper 24-hour dietary recall using the weighed food record as a benchmark in Burkina Faso

Cited by 7 publications

References 48 publications

Accuracy and cost-effectiveness of the INDDEX24 Dietary Assessment Platform in Viet Nam

Accuracy and cost-effectiveness of the INDDEX24 Dietary Assessment Platform in Viet Nam

Dietary intake and occupational status among female youths of Thai Nguyen, Vietnam

The Role of Multiply-Fortified Table Salt and Bouillon in Food Systems Transformation

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