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Niroumand Sarvandani M, Asadi M, Izanloo B, Soleimani M, Mahdavi F, Gearhardt AN, Chen QW, Ghadiri Varzaneh N, Taghadosiniya R, Ghazvini H, Khoramrooz M, Rafaiee R. Confirmatory factor analysis and gender invariance of Persian version of the modified Yale food addiction scale (mPYFAS) 2.0: insight from a large scale Iranian sample. J Eat Disord 2024; 12:14. [PMID: 38263269 PMCID: PMC10804513 DOI: 10.1186/s40337-023-00962-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 12/21/2023] [Indexed: 01/25/2024] Open
Abstract
BACKGROUND The Modified Yale Food Addiction Scale 2.0 (mYFAS 2.0) was developed with the primary objective of evaluating food addiction (FA). The present study aimed to undertake the translation, pilot testing, and evaluation of the psychometric properties of the mYFAS 2.0 within the Persian-speaking population. METHODS The transcultural adaptation of the mYFAS 2.0 to the Persian language was conducted. Data collection was carried out through an anonymous online questionnaire. Participants completed the Persian versions of the mYFAS 2.0, Binge Eating Scale (BES), Barratt Impulsivity Scale (BIS-11), and Connor-Davidson Resilience Scale (CD-RISC). The assessment encompassed the evaluation of internal consistency reliability, factor structure, as well as convergent and discriminant validity of the aforementioned questionnaires. RESULTS Confirmatory factor analysis revealed that the single-factor model of the Persian translation of mYFAS 2.0 performed satisfactorily, with comparative fit index (CFI) and Tucker-Lewis index (TLI) values exceeding 0.95, standardized root mean square residual (SRMR) less than or equal to 0.09, and root mean square error of approximation (RMSEA) below 0.03. The internal consistency and composite reliability of the mYFAS 2.0 were favorable in the entire sample, as well as in both male and female groups, with alpha (α) values of 0.83, ordinal alpha (αord) of 0.93, and composite reliability (CR) of 0.86. Additionally, significant relationships were observed between the total score of BES (r = 0.59, p < 0.001), BIS-11 (r = - 0.16, p < 0.001), and CD-RISC (r = 0.22, p < 0.001) with mYFAS 2.0-diagnosed FA presence, severity, and symptom count. CONCLUSIONS The Persian version of the mYFAS 2.0 exhibited satisfactory psychometric properties.
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Affiliation(s)
| | - Masoud Asadi
- Department of Psychology, Faculty of Humanities, Arak University, Arak, Iran
| | - Balal Izanloo
- Faculty of Psychology and Education, Kharazmi University, Tehran, Iran
| | - Maryam Soleimani
- Department of Psychology and Counseling, Faculty of Humanities, University of Hormozgan, Bandar Abbas, Iran
| | - Faezeh Mahdavi
- The Health of Plant and Livestock Products Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | | | - Qing-Wei Chen
- National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou, 510006, China
| | - Nasrin Ghadiri Varzaneh
- Department of Counseling, Faculty of Humanities and Social Sciences, Ardakan University, Ardakan, Iran
| | - Roya Taghadosiniya
- Department of Counselling, Faculty of Humanities, University of Allameh Tabataba'i, Tehran, Iran
| | - Hamed Ghazvini
- Department of Neuroscience, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Maryam Khoramrooz
- Center for Health Related Social and Behavioral Sciences Research, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Raheleh Rafaiee
- Department of Neuroscience, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
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Saffari M, Fan CW, Chang YL, Huang PC, Tung SEH, Poon WC, Lin CC, Yang WC, Lin CY, Potenza MN. Yale Food Addiction Scale 2.0 (YFAS 2.0) and modified YFAS 2.0 (mYFAS 2.0): Rasch analysis and differential item functioning. J Eat Disord 2022; 10:185. [PMID: 36443860 PMCID: PMC9703721 DOI: 10.1186/s40337-022-00708-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 11/17/2022] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Food addiction (FA) is a prevalent concern that may manifest as poorly controlled food consumption and promote overweight/obesity. Thus, having a well-established instrument for assessment may facilitate better prevention and treatment. The current study investigated the psychometric properties of two common measures of FA (i.e., the Yale Food Addiction Scale [YFAS] 2.0 and its modified version, mYFAS 2.0) using a robust statistical analysis (Rasch model). METHODS In this cross-sectional study, the scales were sent to 974 students studying in higher education (60% females) in Taiwan through online media including email and social networks. Rasch modeling was used to assess dimensionality, difficulty level, and item misfit and hierarchy. Differential item functioning (DIF) was performed to examine consistency of the items across gender and weight status. RESULTS Rasch analysis indicated 3 items of the 35 items belonging to the YFAS 2.0 (8.6%) and none belonging to the mYFAS 2.0 were misfit. Unidimensionality and construct validity of both scales were supported by appropriate goodness-of-fit for diagnostic criteria. The person separation was 3.14 (reliability = 0.91) for the YFAS 2.0 and 2.17 (reliability = 0.82) for mYFAS 2.0, indicating the scales could distinguish participants into more than 3 strata. Only one substantial DIF was found for diagnostic criteria of "Failure to fulfill major role obligation" in the YFAS 2.0 across gender. CONCLUSION According to Rasch modeling, both the YFAS 2.0 and mYFAS 2.0 have acceptable construct validity in Chinese-speaking youth. Scoring methods using either diagnostic criteria or symptom counts for both the YFAS 2.0 and mYFAS 2.0 are supported by the present Rasch findings.
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Affiliation(s)
- Mohsen Saffari
- Health Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
- Health Education Department, Faculty of Health, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Chia-Wei Fan
- Department of Occupational Therapy, AdventHealth University, Orlando, FL USA
| | - Yen-Ling Chang
- Department of Family Medicine, Cardinal Tien Hospital, New Taipei, Taiwan
| | - Po-Ching Huang
- Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, No. 1, University Rd., East Dist., Tainan, 701401 Taiwan
| | - Serene En Hui Tung
- Division of Nutrition and Dietetics, School of Health Sciences, International Medical University, Kuala Lumpur, 57000 Malaysia
| | - Wai Chuen Poon
- Sunway Business School, Sunway University, No. 5, Jalan Universiti, 47500 Bandar Sunway, Selangor Darul Ehsan Malaysia
| | - Chien-Ching Lin
- Department of Laboratory Medicine, National Taiwan University Hospital, Taipei, Taiwan
- Division of Hematology and Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
- Graduate Institute of Clinical Medicine, National Taiwan University, Taipei, Taiwan
| | - Wen-Chi Yang
- Infinite Power, Lt. Co., No. 38, Yonghe 1st St., Renwu Dist., Kaohsiung, 814 Taiwan
- Faculty of School of Medicine, College of Medicine, I-Shou University, Kaohsiung, 824 Taiwan
| | - Chung-Ying Lin
- Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, No. 1, University Rd., East Dist., Tainan, 701401 Taiwan
- Department of Occupational Therapy, College of Medicine, National Cheng Kung University, No. 1, University Rd., East Dist., Tainan, 701401 Taiwan
- Department of Public Health, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, No. 1, University Rd., East Dist., Tainan, 701401 Taiwan
- Biostatistics Consulting Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, No. 1, University Rd., East Dist., Tainan, 701401 Taiwan
- Institute of Allied Health Sciences, Departments of Occupational Therapy and Public Health, and Biostatistics Consulting Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, No. 1, University Rd., East Dist., Tainan, 701401 Taiwan
| | - Marc N. Potenza
- Department of Psychiatry, Yale School of Medicine, New Haven, CT USA
- Connecticut Mental Health Center, New Haven, CT USA
- Connecticut Council on Problem Gambling, Wethersfield, CT USA
- Child Study Center, Yale School of Medicine, New Haven, CT USA
- Department of Neuroscience, Yale University, New Haven, CT USA
- Wu Tsai Institute, Yale University, New Haven, CT USA
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Irani H, Khodami B, Abiri B, Saidpour A. Effect of time restricted feeding on anthropometric measures, eating behavior, stress, and brain-derived neurotrophic factor (BDNF) and lipopolysaccharide-binding protein (LBP) levels in women with overweight/obesity and food addiction: a study protocol for a randomized clinical trial. Trials 2022; 23:482. [PMID: 35689257 PMCID: PMC9188095 DOI: 10.1186/s13063-022-06439-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 05/29/2022] [Indexed: 11/26/2022] Open
Abstract
Background Food addiction is one of the behavioral factors that play an important role in the pathogenesis of obesity. Much evidence is available suggesting intestinal microbiomes can play a role in eating behavior, body composition, and BDNF levels, and they can be modified by time-restricted feeding (TRF). So, this study will aim to evaluate the effect of TRF on anthropometric measures, eating behavior, stress, and serum BDNF and LBP levels in women with overweight/obesity and food addiction. Methods We will carry out a randomized clinical trial for 8 weeks to evaluate the effect of a TRF on anthropometric measures, eating behavior, stress level, serum BDNF and LBP levels in women with overweight/obesity and food addiction. Discussion Given the effect of BDNF on regulating eating behavior and body weight and the effect of dietary restrictions on BDNF and the gut microbiome, the TRF diet could possibly be a new way to successfully manage weight through modifying BDNF in people with eating disorders, including food addiction. Trial registration Iranian Registry of Clinical Trials IRCT20131228015968N7. Registered on 25 October 2020. Supplementary Information The online version contains supplementary material available at 10.1186/s13063-022-06439-x.
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Affiliation(s)
- Hanieh Irani
- Department of Nutrition, Faculty of Nutrition and Food Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Banafsheh Khodami
- Department of Nutrition, Faculty of Nutrition and Food Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Behnaz Abiri
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Atoosa Saidpour
- Department of Nutrition, Faculty of Nutrition and Food Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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