Evaluating Smartphone App Based Dietary Tracking in a Military Population: Validation Study (Preprint)

2021 ◽  
Author(s):  
John Poglodzinski ◽  
Bethany Ann Deschamps ◽  
Mary McCarthy ◽  
Renee Cole ◽  
Evelyn Elshaw ◽  
...  

BACKGROUND Collecting dietary intake data is a key component for a majority of nutritional epidemiology studies. Smartphone technology advancements allow researchers to use health and nutrition apps as alternatives to currently available tools (food frequency questionnaires, 24-hour recalls, and food diaries). Service Members (SM) can greatly benefit from the always-available information and easily accessible nature of smartphones to track their intake. Clinicians working with military units can help provide these SM with the skills to evaluate their intake for performance benefits. Understanding the accuracy of these apps is important to determine their effectiveness for use in clinical and research settings. OBJECTIVE This study evaluated the relative validity of self-reported intake with the HealthWatch 360 (HW 360) app compared to the Automated Self-Administered 24-hour Dietary Assessment (ASA24). METHODS Recruitment targeted Army and Air Force SM from Joint Base Lewis-McChord, WA and Joint Base San Antonio-Lackland, TX who currently or previously failed to meet body composition standards. Participants (n=53) completed a demographic questionnaire, baseline anthropometric measurements, and recorded daily intake on the HW 360 app. They returned approximately two weeks later to complete a 24-hour recall using the ASA24. Agreement and relative validity were evaluated using Bland-Altman plots and two one-sided tests at a ± 10% equivalency range of ASA24 mean nutrient intake values between HW 360 and ASA24 data. Multilinear regressions analyzed relationships between participant demographics and relative validity. RESULTS HW 360 was not significantly equivalent to the ASA24. Large levels of underreporting were found in total energy (Mean Difference (Mdiff) = -503.3 kcal, 90% CI: -649.8 to -356.7 kcal), carbohydrates (Mdiff = -52.2 g, 90% CI: -70.4 to -34.1 g), protein (Mdiff = -20.4 g, 90% CI: -29.4 to -11.3 g), and fat (Mdiff = -24.6 g, 90% CI: -32.5 to -16.7 g). Bland-Altman plots failed to illustrate agreement. No significant correlations existed for demographic variables and relative validity. CONCLUSIONS Differences between all variables tested were above clinically significant values and limit the usage of this application in research and clinical settings. Further research is needed to determine the potential causes of underreporting and evaluate methods to minimize this effect. Understanding these effects allows the implementation of a tailored app for use with SM. It has the potential to be an invaluable asset for this population due the unpredictable nature of deployments and training exercises. CLINICALTRIAL ClinicalTrials.gov NCT04959318; https://clinicaltrials.gov/ct2/show/NCT04959318

2020 ◽  
pp. 1-27 ◽  
Author(s):  
Luisa Saravia ◽  
Maria L. Miguel-Berges ◽  
Iris Iglesia ◽  
Marcus V. Nascimento-Ferreira ◽  
Guillermo Perdomo ◽  
...  

Abstract FFQ are one of the most widely used tools of research into nutritional epidemiology, and many studies have been conducted in several countries using this dietary assessment method. The present study aimed to evaluate the relative validity of FFQ, in comparison with other methods, in assessing dietary intake of children and adolescents, through a systematic review. Four electronic databases (Embase, PubMed, Scopus and Web of Science) found sixty-seven articles, which met the inclusion criteria (healthy children and adolescents from 3 to 18 years of age; journal articles written in English, Spanish and Portuguese between 1988 and March 2019; results showing the comparison between the FFQ with other methods of assessment of dietary intake). The articles were analysed by two independent reviewers. A meta-analysis was conducted using correlation coefficients as estimate effects between the FFQ and the reference standard method. Subgroup analysis and meta-regression were performed to identify the probable source of heterogeneity. In fifty-five of the sixty-seven studies, a single dietary assessment method was used to evaluate the FFQ; nine combined the two methods and three used three reference methods. The most widely used reference method was the 24-h recall, followed by the food record. The overall relative validity of the FFQ to estimate energy, macronutrient, certain micronutrient and certain food item intakes in children and adolescents may be considered weak. The study protocol was registered in PROSPERO under number CRD42016038706.


Nutrients ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 721
Author(s):  
Erand Llanaj ◽  
Ferenc Vincze ◽  
Zsigmond Kósa ◽  
Helga Bárdos ◽  
Judit Diószegi ◽  
...  

Nutritional epidemiology studies on Roma people are scarce and, to date, their nutrient-based dietary patterns with regards to both healthy and sustainable dietary considerations have never been reported. We report, for the first time, adherence to healthy and sustainable dietary patterns using scoring and regression models, based on recommendations defined by the World Health Organization, in the Dietary Approaches to Stop Hypertension (DASH) study and the EAT-Lancet report, as well as dietary quality based on Dietary Inflammatory Index (DII) among the Hungarian Roma (HR) population living in North East Hungary, with Hungarian general (HG) adults as reference. Data were obtained from a complex, comparative health survey involving dietary assessment, structured questionnaire-based interview, physical and laboratory examinations on 359 HG and 344 HR subjects in Northeast Hungary. Poisson regressions were fit to models that included DASH, EAT, DII and Healthy Diet Indicator as dependent variables to assess the influence of ethnicity on healthy and sustainable nutrient-based patterns. Adjusted models controlled for all relevant covariates using the residual method indicated poor dietary quality with regards to the selected dietary patterns. These associations were not ethnicity-sensitive, except for DII, where Roma ethnicity was linked to a decrease of DII score (β = −0.455, 95%CI: −0.720; −0.191, p < 0.05). Currently, HR dietary patterns appear to be relatively unhealthy and unsustainable, rendering them vulnerable to elevated risk of ill-health. Nevertheless, their dietary patterns did not strongly differ from HG, which may contribute to Hungarians being one of the most obese and malnourished nations in Europe. Further prospective research on the potential public and environmental health effects of these findings is warranted.


2021 ◽  
Vol 20 (1) ◽  
Author(s):  
Ye Ding ◽  
Fang Li ◽  
Ping Hu ◽  
Mei Ye ◽  
Fangping Xu ◽  
...  

Abstract Background The dietary nutritional status of the lactating mothers is related to maternal health and has a significant impact on the growth and development of infants through the secretion of breast milk. The food frequency questionnaire (FFQ) is the most cost-effective dietary assessment method that can help obtain information on the usual dietary pattern of participants. Until now, the FFQs have been used for different populations in China, but there are few FFQs available for the lactating mothers. We aimed to develop a semi-quantitative, 156-item FFQ for the Chinese lactating mothers, and evaluate its reproducibility and relative validity. Methods A total of 112 lactating mothers completed two FFQs and one 3-d dietary record (3DR). The first FFQ (FFQ1) was conducted during postpartum at 60–65 days and the second FFQ (FFQ2) during subsequent follow-up at 5 weeks. The 3DR was completed with portion sizes assessed using photographs taken by the respondent before and after eating (instant photography) 1 week after FFQ1. Results For reproducibility, the Spearman’s correlation coefficients for food ranged from 0.34 to 0.68, and for nutrients from 0.25 to 0.61. Meanwhile, the intra-class correlation coefficients for food ranged from 0.48 to 0.87, and for nutrients from 0.27 to 0.70. For relative validity, the Spearman’s correlation coefficients for food ranged from 0.32 to 0.56, and for nutrients from 0.23 to 0.72. The energy-adjusted coefficients for food ranged from 0.26 to 0.55, and for nutrients from 0.22 to 0.47. Moreover, the de-attenuation coefficients for food ranged from 0.34 to 0.67, and for nutrients from 0.28 to 0.77. The Bland-Altman plots also showed reasonably acceptable agreement between the two methods. Conclusions This FFQ is a reasonably reproducible and a relative valid tool for assessing dietary intake of the Chinese lactating mothers.


2009 ◽  
Vol 23 (S1) ◽  
Author(s):  
Eunyoung Park ◽  
Sangah Shin ◽  
Soochan Hwang ◽  
Kyo‐Joon Lee ◽  
Myung‐Joo Lee ◽  
...  

2018 ◽  
pp. 1-8 ◽  
Author(s):  
Nicole Prinz ◽  
Barbara Bohn ◽  
Annamarie Kern ◽  
Deborah Püngel ◽  
Olga Pollatos ◽  
...  

Abstract Objective For dietary assessment, mobile devices with a camera can be used as an alternative to hand-written paper records. The Nutritional Tracking Information Smartphone (Nutris-Phone) study aimed to examine relative validity and feasibility of a photo-based dietary record in everyday life. Design Parallel to the photo-based technique, a weighed record was performed. Participant satisfaction was assessed by questionnaire. A trained nutrition scientist evaluated portion sizes and nutrient content was calculated (DGExpert). Spearman correlation and Bland–Altman analyses were applied. Setting Healthy, non-pregnant volunteers (≥18 years) without intent to lose weight recruited at Ulm University, Germany. Subjects Sixty-six participants (36 % males, median age 22·0 (interquartile range 20·0–25·0) years) took pictures of foods and beverages consumed with a commercially available mobile phone. Results Significant correlation between the photo-based and weighed record was observed: energy (r=0·991), carbohydrate (r=0·980), fat (r=0·972), protein (r=0·988), fibre (r=0·941). Bland–Altman analyses indicated comparable means and acceptable 95 % limits of agreement (energy: −345·2 to 302·9 kJ (−82·5 to 72·4 kcal); carbohydrate: −15·2 to 13·1 g; fat: −6·4 to 6·4 g; protein: −5·9 to 5·6 g; fibre: −2·7 to 2·5 g). However, with increasing intake level, underestimation by the digital method was present (except for fat, all P&lt;0·01). Over 80 % of participants were satisfied with the photo-based record. In nearly 90 %, technical implementation was without major problems. Conclusions Compared with a weighed record, the photo-based dietary record seems to be valid, feasible and user-friendly to estimate energy, macronutrient and fibre intakes, although a systematic bias with increasing levels of intake should be kept in mind.


Circulation ◽  
2014 ◽  
Vol 129 (suppl_1) ◽  
Author(s):  
Asvini K Subasinghe ◽  
Amanda G Thrift ◽  
Simin Arabshahi ◽  
Oduru Suresh ◽  
Kamakshi Kartik ◽  
...  

Introduction: The assessment of dietary intake in rural populations can be extremely challenging because of cultural and environmental limitations.Only one other study in India has been conducted to validate a 24 hour dietary recall. The purpose of this study was to validate a three pass 24 hour dietary recall questionnaire, culturally modified for use in South Indian populations, against a series of weighed food records (WFRs). Hypothesis: We assessed the hypothesis that there will be less than 15% variance between amounts of food reported to be consumed in 24 hour dietary recalls and amounts of food weighed during WFRs. Methods: Eight life size food portion photographs of common South Indian food servings were created to aid participant recall. Nutrient intake was calculated using a food database specifically created for South Indian food items. Dietary data were compared between the two dietary assessment methods in 30 adults aged 19-85 years. WFRs were conducted in the household by a trained field worker. The amount of food served by each participant was weighed, along with any left overs not eaten. The following day, field workers administered a 24 hour recall interview to the same participant. Results: In total, 101 replicate weighed food portions were matched with estimated portions by 24 hour recall for 21 different types of food or drink. Overall, there was an 11% over-estimation by 24 hour recall compared to the WFR and a strong correlation between the two measures (r=0.93). Mean nutrient intakes obtained from each measure were not significantly different. Conclusions: The culturally specific modifications made to the 24 hour dietary recall method is valid for assessing energy, macro- and micro- nutrient intake in rural Indian populations.


Nutrients ◽  
2019 ◽  
Vol 11 (11) ◽  
pp. 2696 ◽  
Author(s):  
Andrea Maugeri ◽  
Martina Barchitta

The ecological momentary assessment (EMA) of eating behaviors represents an innovative, detailed and valid approach to capture the complexity of food intake and to overcome limitations of traditional dietary assessment methods. Moreover, EMA studies might generate a large variety of data (e.g., dietary, behavioral, physical, sociopsychological, and contextual information), thereby enabling to examine concurrent exposures and events. Due to the increasing number of studies in this field of research, here we systematically reviewed EMA methods for the assessment of dietary intake in epidemiological studies, and discussed implications and perspectives for future research. Our study summarized several protocols and platforms that may be applied to assess diet in terms of eating frequency, choices, and habits. Nearly 38% of studies used an event-contingent strategy by asking participants to report foods and beverages consumed in real-time at each eating occasion. Instead, approximately 55% of studies used a signal-contingent prompting approach that notified the participants to record their dietary consumption. The remaining studies used a combination of event- and signal-contingent protocols to compare their accuracy or to improve the assessment of dietary data. Although both approaches might improve the accuracy and ecological validity of dietary assessment—also reducing the burden for participants—some limitations should nevertheless be considered. Despite these limitations, our systematic review pointed out that EMA can be applied in various fields of nutritional epidemiology, from the identification of determinants of dietary habits in healthy people to the management of patients with eating or metabolic disorders. However, more efforts should be encouraged to improve the validity and the reliability of EMA and to provide further technological innovations for public health research and interventions.


Nutrients ◽  
2020 ◽  
Vol 12 (5) ◽  
pp. 1436 ◽  
Author(s):  
Adelle M. Gadowski ◽  
Tracy A. McCaffrey ◽  
Stephane Heritier ◽  
Andrea J. Curtis ◽  
Natalie Nanayakkara ◽  
...  

The aim of this study was to assess the relative validity and reproducibility of a six-item Australian Short Dietary Screener (Aus-SDS). The Aus-SDS assessed the daily intake of core food groups (vegetables, fruits, legumes and beans, cereals, protein sources and dairy sources) in 100 Australians (52 males and 48 females) aged ≥70 years. Relative validity was assessed by comparing intakes from the Aus-SDS1 with an average of three 24-h recalls (24-HRs), and reproducibility using two administrations of the Aus-SDS (Aus-SDS1 and Aus-SDS2). Cohen’s kappa statistic between the Aus-SDS1 and 24-HRs showed moderate to good agreement, ranging from 0.44 for fruits and dairy to 0.64 for protein. There was poor agreement for legume intake (0.12). Bland–Altman plots demonstrated acceptable limits of agreement between the Aus-SDS1 and 24-HRs for all food groups. Median intakes obtained from Aus-SDS1 and Aus-SDS2 did not differ. For all food groups, Cohen’s kappa statistic ranged from 0.68 to 0.89, indicating acceptable agreement between the Aus-SDS1 and Aus-SDS2. Spearman’s correlation coefficient between Aus-SDS1 and 24-HRs across all food groups ranged from 0.64 for fruit to 0.83 for protein. We found the Aus-SDS to be a useful tool in assessing daily intake of core food groups in this population.


2019 ◽  
Vol 22 (14) ◽  
pp. 2553-2560 ◽  
Author(s):  
Xingyu Zhang ◽  
Xiaoyan Huang ◽  
Yi Xiao ◽  
Danrong Jing ◽  
Yuzhou Huang ◽  
...  

AbstractObjective:The association of soft drink consumption with mental problems in Asian adolescents has not been reported. The present study aimed to investigate the association of soft drink consumption and symptoms of anxiety and depression in adolescents in China.Design:A cross-sectional study to investigate the association of intake of soft drinks and sugars from soft drinks with symptoms of anxiety and depression measured by the two-item Generalized Anxiety Disorder (GAD-2) and the Patient Health Questionnaire (PHQ-2), respectively.Setting:A comprehensive university in Changsha, China.Participants:Newly enrolled college students in 2017.Result:In total, 8226 students completed the investigation and 8085 students with no systemic disorders were finally analysed. Students consuming soft drinks ≥7 times/week had significantly higher (mean difference; 95 % CI) GAD-2 (0·15; 0·07, 0·23) and PHQ-2 (0·27; 0·19, 0·35) scores compared with those barely consuming soft drinks, adjusted for demographic and behavioural factors. Those consuming &gt;25 g sugar/d from soft drinks had significantly higher GAD-2 (0·11; 0·04, 0·18) and PHQ-2 (0·22; 0·15, 0·29) scores compared with non-consumers. The mediation effect of obesity in the associations was not clinically significant.Conclusions:Adolescents consuming soft drinks ≥7 times/week, or &gt;25 g sugar/d from soft drinks, had significantly higher levels of anxiety and depression. Dietary suggestion is needed to prevent anxiety and depression in adolescents.


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