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Yang C, Pan X, Zhao Y, Wang X, Wang Z. Snacking behaviour and nutrients intake among 11-16 years-old students from two different boarding system schools. Heliyon 2023; 9:e14517. [PMID: 36967886 PMCID: PMC10034438 DOI: 10.1016/j.heliyon.2023.e14517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 03/18/2023] Open
Abstract
This study's main objective was to investigate the difference between snacking behaviors and dietary nutrient intake in boarding system students. A cross-sectional study was conducted at Beijing's closed and semi closed boarding management school. The snack consumption questionnaire collected snack consumption behaviors; three-day recall periods for food consumption data were collected through the canteen weighing method and 24-h dietary recall of students' intakes. For closed and semi closed boarding management schools, the percentage of never having snacking behaviors was 12.95% and 2.69% on weekdays and 2.16% and 4.19% on weekends. A higher proportion of respondents chose unhealthy snacks in closed boarding management schools. The main problems in closed boarding management schools were the excessively low percentage of energy from carbohydrates and the excessively high percentage of energy from fat. Both deficiency and excess energy supply ratios of protein, carbohydrate, and fat were present in semi-closed boarding management schools. There was a high risk of calcium, iron, zinc, magnesium, and selenium deficiency for most students in both management schools. The closed-school girls had the highest risk of suffering from iron deficiency. Vitamin A, vitamin B1, vitamin B2, vitamin C, and vitamin E deficiencies were severe in both schools, especially vitamin C, vitamin A, and vitamin B2 deficiencies in semi-closed boarding management schoolboys. Effective nutritional interventions should be taken to improve the nutritional status of both boarding management and school students.
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Affiliation(s)
- Chun Yang
- School of Public Health, Capital Medical University, Beijing,10069, China
| | - Xiangxiang Pan
- Beijing Institute of Nutritional Resources, Beijing,100000, China
| | - Yao Zhao
- Institute for Nutrition and Food Hygiene, Beijing Center for Disease Prevention and Control, Beijing, 100000, China
| | - Xin Wang
- Beijing Institute of Nutritional Resources, Beijing,100000, China
| | - Zhongli Wang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Jiaxing University, The Second Hospital of Jiaxing,314001, ZheJiang, China
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Shatwan IM, Alhefani RS, Bukhari MF, Hanbazazah DA, Srour JK, Surendran S, Aljefree NM, Almoraie NM. Effects of a Smartphone App on Fruit and Vegetable Consumption Among Saudi Adolescents: Randomized Controlled Trial. JMIR Pediatr Parent 2023; 6:e43160. [PMID: 36757770 PMCID: PMC9951076 DOI: 10.2196/43160] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 11/21/2022] [Accepted: 12/25/2022] [Indexed: 02/10/2023] Open
Abstract
BACKGROUND Dietary patterns and nutritional status during adolescence have a direct effect on future health outcomes. OBJECTIVE This study aimed to promote fruit and vegetable intake among adolescents using a smartphone app called MyPlate. METHODS This randomized intervention study was conducted in an urban area of Jeddah, Saudi Arabia. We included 104 adolescents aged 13 to 18 years, who were randomized into intervention (n=55) or control (n=49) arms. We examined the effects of MyPlate on fruit and vegetable intake over 6 weeks in the intervention group. Pre- and postintervention questionnaires were used in the intervention and control groups. RESULTS The control group showed a significant increase in fruit consumption scores between baseline (1.15, SD 0.68) and postintervention (1.64, SD 0.98; P=.01), but no significant difference in vegetable consumption scores was observed before (1.44, SD 0.97) and after intervention (1.55, SD 0.90; P=.54). However, there was no significant difference between scores at baseline and after 6 weeks of using the smartphone app for fruit (1.48, SD 0.99 and 1.70, SD 1.11, respectively; P=.31) or vegetables (1.50, SD 0.97 and 1.43, SD 1.03, respectively; P=.30) in the intervention group. Our findings showed no significant impact of using a smartphone app on fruit and vegetable consumption. CONCLUSIONS These findings suggest that a smartphone app did not significantly improve fruit and vegetable intake among adolescents. TRIAL REGISTRATION ClinicalTrials.gov NCT05692765; https://clinicaltrials.gov/ct2/show/NCT05692765.
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Affiliation(s)
- Israa M Shatwan
- Food and Nutrition Department, Human Sciences and Design Faculty, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Rabab S Alhefani
- Food and Nutrition Department, Human Sciences and Design Faculty, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mawadah F Bukhari
- Food and Nutrition Department, Human Sciences and Design Faculty, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Danah A Hanbazazah
- Food and Nutrition Department, Human Sciences and Design Faculty, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Jumanah K Srour
- Food and Nutrition Department, Human Sciences and Design Faculty, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Shelini Surendran
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, Surrey, United Kingdom
| | - Najlaa M Aljefree
- Food and Nutrition Department, Human Sciences and Design Faculty, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Noha M Almoraie
- Food and Nutrition Department, Human Sciences and Design Faculty, King Abdulaziz University, Jeddah, Saudi Arabia
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Maugeri A, Magnano San Lio R, Favara G, La Rosa MC, La Mastra C, Riela PM, Guarnera L, Battiato S, Barchitta M, Agodi A. Impact of Eating Context on Dietary Choices of College Students: Evidence from the HEALTHY-UNICT Project. Nutrients 2022; 14:nu14204418. [PMID: 36297101 PMCID: PMC9609717 DOI: 10.3390/nu14204418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/12/2022] [Accepted: 10/19/2022] [Indexed: 11/18/2022] Open
Abstract
While personal characteristics have been evaluated as determinants of dietary choices over the years, only recently studies have looked at the impact of eating context. Examining eating context, however, can be challenging. Here, we propose the use of a web-app for the Ecological Momentary Assessment of dietary habits among 138 college students from Catania (Italy) and therefore for examining the impact of eating context on dietary choices. Eating away from home was associated with lower odds of consuming vegetables, fruits, and legumes and higher odds of consuming processed meat, salty snacks, and alcoholic drinks compared with eating at home. Eating in the company of other people was associated with higher odds of consuming vegetables, red meat, fish, legumes, milk, and sugar-sweetened beverages and lower odds of consuming nuts than eating alone. This study proposed a new way to capture and assess how eating environment might affect dietary habits. Based on our results, meal location and social context have significant effects on the dietary choices of college students, pointing to the need to incorporate these aspects into further epidemiological studies.
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Affiliation(s)
- Andrea Maugeri
- Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, University of Catania, 95123 Catania, Italy
| | - Roberta Magnano San Lio
- Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, University of Catania, 95123 Catania, Italy
| | - Giuliana Favara
- Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, University of Catania, 95123 Catania, Italy
| | - Maria Clara La Rosa
- Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, University of Catania, 95123 Catania, Italy
| | - Claudia La Mastra
- Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, University of Catania, 95123 Catania, Italy
| | - Paolo Marco Riela
- Department of Mathematics and Informatics, University of Catania, 95123 Catania, Italy
| | - Luca Guarnera
- Department of Mathematics and Informatics, University of Catania, 95123 Catania, Italy
| | - Sebastiano Battiato
- Department of Mathematics and Informatics, University of Catania, 95123 Catania, Italy
| | - Martina Barchitta
- Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, University of Catania, 95123 Catania, Italy
- Correspondence:
| | - Antonella Agodi
- Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, University of Catania, 95123 Catania, Italy
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Barchitta M, Maugeri A, Favara G, Magnano San Lio R, Riela PM, Guarnera L, Battiato S, Agodi A. Development of a Web-App for the Ecological Momentary Assessment of Dietary Habits among College Students: The HEALTHY-UNICT Project. Nutrients 2022; 14:nu14020330. [PMID: 35057511 PMCID: PMC8779738 DOI: 10.3390/nu14020330] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/10/2022] [Accepted: 01/11/2022] [Indexed: 01/03/2023] Open
Abstract
The transition from adolescence to adulthood is a critical period for the development of healthy behaviors. Yet, it is often characterized by unhealthy food choices. Considering the current pandemic scenario, it is also essential to assess the effects of coronavirus disease-19 (COVID-19) on lifestyles and diet, especially among young people. However, the assessment of dietary habits and their determinants is a complex issue that requires innovative approaches and tools, such as those based on the ecological momentary assessment (EMA). Here, we describe the first phases of the “HEALTHY-UNICT” project, which aimed to develop and validate a web-app for the EMA of dietary data among students from the University of Catania, Italy. The pilot study included 138 students (mean age 24 years, SD = 4.2; 75.4% women), who used the web-app for a week before filling out a food frequency questionnaire with validation purposes. Dietary data obtained through the two tools showed moderate correlations, with the lowest value for butter and margarine and the highest for pizza (Spearman’s correlation coefficients of 0.202 and 0.699, respectively). According to the cross-classification analysis, the percentage of students classified into the same quartile ranged from 36.9% for vegetable oil to 58.1% for pizza. In line with these findings, the weighted-kappa values ranged from 0.15 for vegetable oil to 0.67 for pizza, and most food categories showed values above 0.4. This web-app showed good usability among students, assessed through a 19-item usability scale. Moreover, the web-app also had the potential to evaluate the effect of the COVID-19 pandemic on students’ behaviors and emotions, showing a moderate impact on sedentary activities, level of stress, and depression. These findings, although interesting, might be confirmed by the next phases of the HEALTHY-UNICT project, which aims to characterize lifestyles, dietary habits, and their relationship with anthropometric measures and emotions in a larger sample of students.
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Affiliation(s)
- Martina Barchitta
- Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, University of Catania, 95123 Catania, Italy; (A.M.); (G.F.); (R.M.S.L.); (A.A.)
- Correspondence:
| | - Andrea Maugeri
- Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, University of Catania, 95123 Catania, Italy; (A.M.); (G.F.); (R.M.S.L.); (A.A.)
| | - Giuliana Favara
- Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, University of Catania, 95123 Catania, Italy; (A.M.); (G.F.); (R.M.S.L.); (A.A.)
| | - Roberta Magnano San Lio
- Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, University of Catania, 95123 Catania, Italy; (A.M.); (G.F.); (R.M.S.L.); (A.A.)
| | - Paolo Marco Riela
- Department of Mathematics and Informatics, University of Catania, 95123 Catania, Italy; (P.M.R.); (L.G.); (S.B.)
| | - Luca Guarnera
- Department of Mathematics and Informatics, University of Catania, 95123 Catania, Italy; (P.M.R.); (L.G.); (S.B.)
| | - Sebastiano Battiato
- Department of Mathematics and Informatics, University of Catania, 95123 Catania, Italy; (P.M.R.); (L.G.); (S.B.)
| | - Antonella Agodi
- Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, University of Catania, 95123 Catania, Italy; (A.M.); (G.F.); (R.M.S.L.); (A.A.)
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Hoang T, Lee J, Kim J. Differences in Dietary Patterns Identified by the Gaussian Graphical Model in Korean Adults With and Without a Self-Reported Cancer Diagnosis. J Acad Nutr Diet 2020; 121:1484-1496.e3. [PMID: 33288494 DOI: 10.1016/j.jand.2020.11.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 11/04/2020] [Accepted: 11/10/2020] [Indexed: 01/02/2023]
Abstract
BACKGROUND The synergistic effect of food groups on health outcomes is better captured by examining dietary patterns (DPs) than single food groups. Regarding this issue, a Gaussian graphical model (GGM) can identify pairwise correlations between food groups and adjust for the remaining items. However, the application of GGMs in the nutritional field has not been widely investigated, especially in Korean adults. OBJECTIVE The aim of this study was to identify the major DPs of Korean adults by using a GGM and to examine the associations between the DP scores and prevalence of self-reported cancer. DESIGN This cross-sectional study used baseline data from the 2007-2019 Cancer Screenee Cohort of the National Cancer Center, Korea. PARTICIPANTS/SETTING In total, 10,777 Korean adults who completed a questionnaire regarding their general medical history, including clinical test results, and a validated food frequency questionnaire were included. MAIN OUTCOME MEASURES The main outcome measure was the prevalence of self-reported cancer at baseline. STATISTICAL ANALYSIS DP networks were identified using a GGM. The GGM-identified networks were scored and categorized into tertiles, and their association with the prevalence of self-reported cancer was investigated using a multivariable logistic regression model. RESULTS The GGM identified the following 4 DP networks: principal, oil-sweet, meat, and fruit. After adjusting for covariates, the odds of moderate and high consumption of foods in the oil-sweet DP for participants who self-reported cancer were 25% and 34% lower than those for participants who did not report a cancer diagnosis (odds ratio [OR] = 0.75, 95% confidence interval [CI] = 0.62-0.90 and OR = 0.66, 95% CI = 0.53-0.81, respectively). Additionally, the odds of meat DP consumption in the self-reported cancer group was 29% lower than in participants who did not report a cancer diagnosis (OR = 0.71 and 95% CI = 0.57-0.88). In contrast, an increase in the odds of fruit DP consumption was observed for self-reported cancer participants (OR = 1.34 and 95% CI = 1.09-1.65). Similar results were observed among the female but not the male subjects. CONCLUSIONS GGM is a novel method that can distinguish the direct pairwise correlation of food groups and control for the indirect effect of other foods. Future large-scale longitudinal population-based studies are needed to build on these findings in general populations.
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Hoang T, Kim H, Kim J. Dietary Intake in Association with All-Cause Mortality and Colorectal Cancer Mortality among Colorectal Cancer Survivors: A Systematic Review and Meta-Analysis of Prospective Studies. Cancers (Basel) 2020; 12:cancers12113391. [PMID: 33207660 PMCID: PMC7697273 DOI: 10.3390/cancers12113391] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 11/11/2020] [Accepted: 11/13/2020] [Indexed: 12/15/2022] Open
Abstract
Simple Summary Given that an extensive range of dietary factors has not been investigated among colorectal cancer (CRC) survivors to date, we carried out a systematic review and meta-analysis to determine the effects of both prediagnostic and postdiagnostic dietary intake on all-cause mortality and CRC-specific mortality among CRC survivors. In total, 45 studies were included in the final analysis of 35 food items, 8 macronutrients, 27 micronutrients, 2 dietary patterns, and 13 dietary indexes in association with all-cause mortality and CRC-specific mortality. We found that an unhealthy dietary pattern increased the risks of both all-cause mortality and CRC-specific mortality. The role of prediagnostic and postdiagnostic intake such as macronutrients and fatty acids could be different in the risk of all-cause mortality. Overall, comprehensive evidence for the effect of substantial numbers of prediagnostic and postdiagnostic dietary items on mortality outcomes is reported in this study. Abstract We carried out a systematic review and meta-analysis to determine the effects of both prediagnostic and postdiagnostic dietary intake on all-cause mortality and CRC-specific mortality among CRC survivors. An extensive search of PubMed and Embase was conducted to identify eligible studies. We applied a random-effects model to estimate the pooled relative risks (RRs)/hazard ratios (HRs) and their 95% confidence intervals (CIs). As a result, a total of 45 studies were included in the final analysis. Pooled effect sizes from at least three study populations showed that whole grains and calcium were inversely associated with all-cause mortality, with RRs/HRs (95% CIs) of 0.83 (0.69–0.99) and 0.84 (0.73–0.97), respectively. In contrast, a positive association between an unhealthy dietary pattern and both all-cause mortality (RR/HR = 1.47, 95% CI = 1.05–2.05) and CRC-specific mortality (RR/HR = 1.52, 95% CI = 1.13–2.06) was observed among CRC survivors. In the subgroup analysis by CRC diagnosis, prediagnostic and postdiagnostic dietary intake such as carbohydrates, proteins, lipids, and fiber were observed to have different effects on all-cause mortality. Overall, an unhealthy dietary pattern increased the risks of both all-cause mortality and CRC-specific mortality. The role of prediagnostic and postdiagnostic intake of dietary elements such as macronutrients and fatty acids could be different in the risk of all-cause mortality.
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Notario-Barandiaran L, Freire C, García-de-la-Hera M, Compañ-Gabucio LM, Torres-Collado L, González-Palacios S, Mundo A, Molina M, Fernández MF, Vioque J. Reproducibility and Validity of a Food Frequency Questionnaire for Dietary Assessment in Adolescents in a Self-Reported Way. Nutrients 2020; 12:nu12072081. [PMID: 32674463 PMCID: PMC7400888 DOI: 10.3390/nu12072081] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/05/2020] [Accepted: 07/12/2020] [Indexed: 12/23/2022] Open
Abstract
Tools to assess diet in a reliable and efficient way are needed, particularly in children and adolescents. In this study, we assess the reproducibility and validity of a semiquantitative food frequency questionnaire (FFQ) among adolescents in Spain. We analyzed data of 51 male adolescents aged 15-17 years from a prospective birth cohort study. Participants answered the FFQ twice in a self-administered way over a 12-month period. Reproducibility was assessed by comparing nutrient and food intakes from the FFQs, and validity by comparing nutrient intakes from the average of two FFQs and the average of two 24-Hour Dietary Recalls obtained in the period. Pearson correlation coefficients were calculated. The average of reproducibility correlation coefficients for food group intakes was 0.33, with the highest correlation for vegetable intake (r = 0.81); and the average for nutrient intake was 0.32, with the highest coefficients for α- and β-carotene (r = 0.65). Validity correlation coefficients ranged from 0.07 for carbohydrates to 0.53 for dietary fiber. The average of the validity correlation coefficients was r = 0.32. This study suggests that our FFQ may be a useful tool for assessing dietary intake of most nutrient and food groups among Spanish male adolescents in a self-administered way, despite reproducibility and, particularly validity, being low for some nutrients and food groups.
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Affiliation(s)
- Leyre Notario-Barandiaran
- Alicante Institute for Health and Biomedical Research, ISABIAL-UMH, 03010-Alicante, Spain; (L.N.-B.); (M.G.-d.-l.-H.); (L.M.C.-G.); (L.T.-C.); (S.G.-P.)
| | - Carmen Freire
- Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, 28009 Madrid, Spain; (C.F.); (M.F.F.)
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012 Granada, Spain; (A.M.); (M.M.)
| | - Manuela García-de-la-Hera
- Alicante Institute for Health and Biomedical Research, ISABIAL-UMH, 03010-Alicante, Spain; (L.N.-B.); (M.G.-d.-l.-H.); (L.M.C.-G.); (L.T.-C.); (S.G.-P.)
- Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, 28009 Madrid, Spain; (C.F.); (M.F.F.)
| | - Laura Mª Compañ-Gabucio
- Alicante Institute for Health and Biomedical Research, ISABIAL-UMH, 03010-Alicante, Spain; (L.N.-B.); (M.G.-d.-l.-H.); (L.M.C.-G.); (L.T.-C.); (S.G.-P.)
| | - Laura Torres-Collado
- Alicante Institute for Health and Biomedical Research, ISABIAL-UMH, 03010-Alicante, Spain; (L.N.-B.); (M.G.-d.-l.-H.); (L.M.C.-G.); (L.T.-C.); (S.G.-P.)
| | - Sandra González-Palacios
- Alicante Institute for Health and Biomedical Research, ISABIAL-UMH, 03010-Alicante, Spain; (L.N.-B.); (M.G.-d.-l.-H.); (L.M.C.-G.); (L.T.-C.); (S.G.-P.)
| | - Antonio Mundo
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012 Granada, Spain; (A.M.); (M.M.)
| | - Marina Molina
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012 Granada, Spain; (A.M.); (M.M.)
| | - Mariana F. Fernández
- Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, 28009 Madrid, Spain; (C.F.); (M.F.F.)
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012 Granada, Spain; (A.M.); (M.M.)
- Department of Radiology, School of Medicine, and Center for Biomedical Research, University of Granada, 18071 Granada, Spain
| | - Jesús Vioque
- Alicante Institute for Health and Biomedical Research, ISABIAL-UMH, 03010-Alicante, Spain; (L.N.-B.); (M.G.-d.-l.-H.); (L.M.C.-G.); (L.T.-C.); (S.G.-P.)
- Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, 28009 Madrid, Spain; (C.F.); (M.F.F.)
- Correspondence: ; Tel.: +34-965-919-517
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Kouvari M, Mamalaki E, Bathrellou E, Poulimeneas D, Yannakoulia M, Panagiotakos DB. The validity of technology-based dietary assessment methods in childhood and adolescence: a systematic review. Crit Rev Food Sci Nutr 2020; 61:1065-1080. [PMID: 32308010 DOI: 10.1080/10408398.2020.1753166] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Technology-based dietary assessment has promising benefits on improving accuracy and reducing cost of dietary data collection. The validity of technology-based tools in children/adolescents was examined. A systematic literature search was performed to identify studies published till September 2019. In total, 26 studies with 29 validation-related estimations were selected; 13 web-based 24-hdietary recalls (image assisted; n = 12, drop-down food list; n = 13), 4 mobile applications and 3 web-based dietary records (image based; n = 2 and image assisted; n = 1, drop-down food list; n = 3) and 6 web-based food frequency questionnaires (FFQs) (image assisted; n = 3). Fourteen studies were addressed to adolescents, ten studies to children (principally 9-11 years old) and two studies to mixed study samples. Validation was mostly performed through 24-h dietary recalls and dietary records while in some cases objective methods were used. Image-assisted 24-h dietary recalls presented good level of agreement with paper-based methods, yet principally in adolescents. Mobile-application dietary records with image-based facilities and drop-down food lists were found to accurately record dietary intake even when compared with objective methods. FFQs, mainly examined in adolescents, had good level of agreement with the "gold standard" dietary records method. The validity of technology-based methods could be supported yet various technical/methodological issues need better clarification.
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Affiliation(s)
- Matina Kouvari
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, Athens, Greece
| | - Eirini Mamalaki
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, Athens, Greece
| | - Eirini Bathrellou
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, Athens, Greece
| | - Dimitrios Poulimeneas
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, Athens, Greece
| | - Mary Yannakoulia
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, Athens, Greece
| | - Demosthenes B Panagiotakos
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, Athens, Greece.,Faculty of Health, University of Canberra, Canberra, Australia
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