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Hildebrandt BA, Mikhail ME, Gearhardt AN, Culbert KM, Burt SA, Neale MC, Keel PK, Katzman DK, Klump KL. Self-reported food liking and wanting: A factor analytic study of ratings across 49 consecutive days. Appetite 2024; 201:107601. [PMID: 38986815 PMCID: PMC11330718 DOI: 10.1016/j.appet.2024.107601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 06/28/2024] [Accepted: 07/08/2024] [Indexed: 07/12/2024]
Abstract
Reward responses to food are thought to play an important role in highly palatable food overconsumption. In animal models, food reward responses can be decoupled into unique "liking" (in the moment enjoyment) and "wanting" (motivation/craving) components. However, research on liking and wanting has been hampered by uncertainty regarding whether liking and wanting can be reliably separated in humans. We used factor analysis to test whether ratings of liking and wanting could be empirically separated in women assessed across 49 consecutive days. Female participants (N = 688; ages 15-30) from the Michigan State University Twin Registry reported liking and wanting of foods consumed that day, and wanting of foods not consumed that day, separately for sweets (e.g., cookies), fast food (e.g., French fries), carbohydrates (e.g., bread), and whole foods (fruit, plain chicken) each evening for 49 consecutive days. We examined both average levels and daily levels of liking/wanting across the 49-day period that captured individual differences in liking/wanting over time. Across both types of analyses, liking and wanting for foods that were eaten formed a single factor rather than separate, dissociable factors, while wanting of foods not eaten formed an independent factor. At the daily level, a liking/wanting factor emerged for each individual food category (e.g., liking/wanting sweets), whereas in average analyses, a single factor emerged that collapsed across all food types (i.e., liking/wanting of all foods). Results suggest individuals have difficulty distinguishing between liking and wanting of foods they have eaten on that day but may be able to more reliably separate wanting of foods they have not consumed.
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Affiliation(s)
- Britny A Hildebrandt
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Megan E Mikhail
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | | | - Kristen M Culbert
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - S Alexandra Burt
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - Michael C Neale
- Departments of Psychiatry, Human Genetics, and Psychology, Virginia Commonwealth University, Richmond, VA, USA
| | - Pamela K Keel
- Department of Psychology, Florida State University, Tallahassee, FL, USA
| | - Debra K Katzman
- Department of Pediatrics, Hospital for Sick Children and University of Toronto, Toronto, Ontario, Canada
| | - Kelly L Klump
- Department of Psychology, Michigan State University, East Lansing, MI, USA.
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2
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Monserrat Hernández M, Jiménez-Rodríguez D. Relationship of Genetic Polymorphisms and Microbial Composition with Binge Eating Disorder: A Systematic Review. Healthcare (Basel) 2024; 12:1441. [PMID: 39057584 PMCID: PMC11276772 DOI: 10.3390/healthcare12141441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2024] [Revised: 07/12/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024] Open
Abstract
Humans are the result of an evolutionary process, and because of this, many biological processes are interconnected with each other. The intestine-brain axis consists of an intricately connected neuronal-neuroendocrine circuit that regulates the sensation of hunger and satiety. Genetic variations and the consumption of unnatural diets (ultra-processed foods, high contents of sugars, etc.) can override this circuit and cause addiction to certain foods and/or the inability to feel satiety in certain situations. The patients who come to consultations (mainly psychology or nutrition) in an attempt to resolve this problem sometimes fail, which leads to them looking for new strategies based on biological predisposition. This investigation aims to evaluate the genetic studies regarding the microbiota carried out in the last 12 years in humans to try to determine which genes and microbes that have been recently studied are related to patients diagnosed with binge eating disorder or compulsive eating (presenting obesity or not). The protocol followed the PRISMA statement, and the following databases were searched from 2012 until the present day: PubMed, PsycINFO, SCOPUS, and Web of Science. Twenty-four international articles were analyzed, including cross-sectional or exploratory studies; five of them referred to the microbial composition, and in nineteen, the existence of genetic polymorphisms present in binge eating disorder or in compulsive eating could be observed: DRD2, OPRM1, COMT, MC4R, BNDF, FTO, SLC6A3, GHRL, CARTPT, MCHR2, and LRP11. Even though there is still much to investigate on the subject, it must be highlighted that, in the last 4 years, a two-fold increase has been observed in potential markers and in studies related to the matter, also highlighting the importance of different analyses in relation to psychosocial factors and their interaction with the genetic and microbial factors, for which research on the matter must be continued.
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Affiliation(s)
| | - Diana Jiménez-Rodríguez
- Department of Nursing, Physiotherapy and Medicine, University of Almería, 04120 Almería, Spain;
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3
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Yager Z. Something, everything, and anything more than nothing: stories of school-based prevention of body image concerns and eating disorders in young people. Eat Disord 2024:1-19. [PMID: 38910350 DOI: 10.1080/10640266.2024.2364523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/25/2024]
Abstract
Much work has been done to promote the development of positive body image in schools. This paper aims to tell some stories from the past 35 years of work in this field that illuminate important issues in developing, evaluating, and disseminating programs, and in removing policies and practices that could trigger weight stigma and body shame or disordered eating attitudes and behaviours. The need for, goals of, and approaches to body image programs, problematic activities we have 'good enough' evidence to avoid, and next steps for advocacy, research, and action are explored as we celebrate how far we've come and have hope for the future.
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Affiliation(s)
- Zali Yager
- The Embrace Collective
- Institute for Health and Sport, Victoria University, Melbourne, Australia
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Carroll SL, Shewark EA, Mikhail ME, Thaler DJ, Pearson AL, Klump KL, Burt SA. Identifying the 'active ingredients' of socioeconomic disadvantage for youth outcomes in middle childhood. Dev Psychopathol 2024; 36:857-865. [PMID: 36847252 PMCID: PMC10915935 DOI: 10.1017/s0954579423000135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
BACKGROUND Youth experiencing socioeconomic deprivation may be exposed to disadvantage in multiple contexts (e.g., neighborhood, family, and school). To date, however, we know little about the underlying structure of socioeconomic disadvantage, including whether the 'active ingredients' driving its robust effects are specific to one context (e.g., neighborhood) or whether the various contexts increment one another as predictors of youth outcomes. METHODS The present study addressed this gap by examining the underlying structure of socioeconomic disadvantage across neighborhoods, families, and schools, as well as whether the various forms of disadvantage jointly predicted youth psychopathology and cognitive performance. Participants were 1,030 school-aged twin pairs from a subsample of the Michigan State University Twin Registry enriched for neighborhood disadvantage. RESULTS Two correlated factors underlay the indicators of disadvantage. Proximal disadvantage comprised familial indicators, whereas contextual disadvantage represented deprivation in the broader school and neighborhood contexts. Results from exhaustive modeling analyses indicated that proximal and contextual disadvantage incremented one another as predictors of childhood externalizing problems, disordered eating, and reading difficulties, but not internalizing symptoms. CONCLUSIONS Disadvantage within the family and disadvantage in the broader context, respectively, appear to represent distinct constructs with additive influence, carrying unique implications for multiple behavioral outcomes during middle childhood.
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Affiliation(s)
- Sarah L. Carroll
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | | | - Megan E. Mikhail
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - Daniel J. Thaler
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - Amber L. Pearson
- Department of Geography, Environment and Spatial Sciences, Michigan State University, East Lansing, MI, USA
| | - Kelly L. Klump
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - S. Alexandra Burt
- Department of Psychology, Michigan State University, East Lansing, MI, USA
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5
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Burnette CB, Burt SA, Klump KL. The ignored role of disadvantage in eating disorders. Trends Mol Med 2024; 30:305-307. [PMID: 38000984 DOI: 10.1016/j.molmed.2023.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 10/25/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023]
Abstract
The misconception that eating disorders are conditions of affluence has shaped research and public understanding for decades. Here, we highlight links between socioeconomic disadvantage and eating disorder risk. With prevailing stereotypes discredited, we argue that considering disadvantage as a key eating disorder risk factor will advance science and reduce disparities.
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Affiliation(s)
- C Blair Burnette
- Department of Psychology, Michigan State University, East Lansing, MI, USA.
| | - S Alexandra Burt
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - Kelly L Klump
- Department of Psychology, Michigan State University, East Lansing, MI, USA
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Pascoe LA, Mikhail ME, Burt SA, Culbert KM, Klump KL. Shared genetic influences between eating disorders and gastrointestinal disease in a large, population-based sample of adult women and men. Psychol Med 2024; 54:1184-1195. [PMID: 37920985 DOI: 10.1017/s003329172300301x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
BACKGROUND Some preliminary research suggests higher rates of gastrointestinal disease in individuals with eating disorders (EDs). However, research is limited, and it remains unknown what etiologic factors account for observed associations. This was the first study to examine how EDs and dimensional ED symptoms (e.g. body dissatisfaction, binge eating) are phenotypically and etiologically associated with gastrointestinal disease in a large, population-based twin sample. METHODS Adult female (N = 2980) and male (N = 2903) twins from the Michigan State University Twin Registry reported whether they had a lifetime ED (anorexia nervosa, bulimia nervosa, or binge-eating disorder) and completed a measure of dimensional ED symptoms. We coded the presence/absence of lifetime gastrointestinal disease (e.g. inflammatory bowel disease) based on responses to questions regarding chronic illnesses and medications. We first examined whether twins with gastrointestinal disease had higher rates of EDs and ED symptoms, then used correlated factors twin models to investigate genetic and environmental contributions to the overlap between disorders. RESULTS Twins with gastrointestinal disease had significantly greater dimensional ED symptoms (β = 0.21, p < 0.001) and odds of a lifetime ED (OR 2.90, p = 0.001), regardless of sex. Shared genetic factors fully accounted for the overlap between disorders, with no significant sex differences in etiologic associations. CONCLUSIONS Comorbidity between EDs and gastrointestinal disease may be explained by overlap in genetic influences, potentially including inflammatory genes implicated in both types of disorders. Screening for gastrointestinal disease in people with EDs, and EDs in those with gastrointestinal disease, is warranted.
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Affiliation(s)
- Laura A Pascoe
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - Megan E Mikhail
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - S Alexandra Burt
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - Kristen M Culbert
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - Kelly L Klump
- Department of Psychology, Michigan State University, East Lansing, MI, USA
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Rolan EP, Mikhail ME, Culbert KM, Burt SA, Klump KL. Estrogen moderation of genetic influences on eating disorder symptoms during gonadarche in girls: Specific effects on binge eating. Psychoneuroendocrinology 2023; 158:106384. [PMID: 37708824 PMCID: PMC10880121 DOI: 10.1016/j.psyneuen.2023.106384] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 07/13/2023] [Accepted: 09/05/2023] [Indexed: 09/16/2023]
Abstract
The heritability of eating disorder (ED) symptoms increases dramatically across gonadarche in girls. Past studies suggest these developmental differences could be due to pubertal activation of estrogen, but findings have been limited to only one ED symptom (i.e., binge eating). The current study examined whether estrogen contributes to gonadarcheal differences in genetic influences on overall levels of ED symptoms as well as key cognitive symptoms (i.e., weight/shape concerns) that are present across all EDs and are early risk factors for eating pathology. Given that binge eating frequently co-occurs with all of these symptoms, analyses also examined whether estrogen effects exist for overall levels of ED symptoms and body weight/shape concerns after accounting for the known effects of estrogen on genetic risk for binge eating. Participants included 964 female twins (ages 8-16) from the Michigan State University Twin Registry. Overall levels of ED symptoms were assessed with the Minnesota Eating Behavior Survey (MEBS) total score. Weight/shape concerns were assessed with a latent factor modeled using subscales from the MEBS and the Eating Disorder Examination Questionnaire. Estradiol levels were assessed with saliva samples. Twin moderation models were used to examine whether genetic influences on overall levels of ED symptoms and weight/shape concerns differed significantly across estradiol levels. Although initial models suggested modest differences in genetic influences on overall levels of ED symptoms across estradiol levels, these effects were eliminated when binge eating was accounted for in the models. In addition, weight/shape concerns did not show significant moderation of genetic influences by estradiol in models with or without binge eating. Taken together, results are significant in suggesting that individual differences in estradiol levels during gonadarche have a unique and specific impact on genetic risk for binge eating, while other etiologic factors must contribute to increased heritability of cognitive ED symptoms during this key developmental period in girls.
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Affiliation(s)
- Emily P Rolan
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - Megan E Mikhail
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - Kristen M Culbert
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - S Alexandra Burt
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - Kelly L Klump
- Department of Psychology, Michigan State University, East Lansing, MI, USA.
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Mikhail ME, Ackerman LS, Anaya C, Culbert KM, Burt SA, Klump KL. Associations between household income and disordered eating differ across sex and racial identity in a population-based sample of adults. Int J Eat Disord 2023; 56:1391-1405. [PMID: 37002190 PMCID: PMC10524225 DOI: 10.1002/eat.23948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/17/2023] [Accepted: 03/17/2023] [Indexed: 04/30/2023]
Abstract
BACKGROUND Most research on socioeconomic status (SES) and eating disorders (EDs) has focused on young White women. Consequently, little is known regarding how SES may relate to EDs/disordered eating in older adults, men, or people with different racial identities. We examined whether associations between SES and EDs/disordered eating differed across age, sex, and racial identity in a large, population-based sample spanning early-to-later adulthood. METHODS Analyses included 2797 women and 2781 men ages 18-65 (Mage = 37.41, SD = 7.38) from the population-based Michigan State University Twin Registry. We first examined associations between SES and dimensional ED symptoms, binge eating (BE), and self-reported ED diagnoses across age and sex in the full sample. We then examined the impact of racial identity on associations by conducting within- and between-group analyses among Black and White participants. RESULTS In the full sample, lower SES was associated with significantly greater odds of BE and lifetime EDs in men, but not women, across adulthood. The association between lower SES and greater BE risk was stronger for Black men than for White men, though significant in both groups. Conversely, Black women showed a positive association between SES and dimensional ED symptoms that significantly differed from effects for Black men and White women. CONCLUSIONS Associations between socioeconomic disadvantage and EDs/disordered eating may be particularly robust for men in adulthood, especially men with a marginalized racial identity. Oppositely, Black women may encounter social pressures and minority stress in higher SES environments that could contribute to somewhat heightened ED risk. PUBLIC SIGNIFICANCE Little is known regarding how associations between socioeconomic status (SES) and eating disorders (EDs) may differ across age/sex or racial identity. We found lower SES was associated with greater odds of a lifetime ED or binge eating in men only, with a particularly strong association between lower SES and binge eating for Black men. Results highlight the importance of examining how SES-ED associations may differ across other aspects of identity.
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Affiliation(s)
- Megan E Mikhail
- Department of Psychology, Michigan State University, East Lansing, Michigan, USA
| | - Lindsay S Ackerman
- Department of Psychology, Michigan State University, East Lansing, Michigan, USA
| | - Carolina Anaya
- Department of Psychology, Michigan State University, East Lansing, Michigan, USA
| | - Kristen M Culbert
- Department of Psychology, Michigan State University, East Lansing, Michigan, USA
| | - S Alexandra Burt
- Department of Psychology, Michigan State University, East Lansing, Michigan, USA
| | - Kelly L Klump
- Department of Psychology, Michigan State University, East Lansing, Michigan, USA
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9
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Kosmas JA, Wildes JE, Graham AK, O'Connor SM. The role of stress in the association among food insecurity, eating disorder pathology, and binge eating-related appetitive traits. Eat Behav 2023; 49:101709. [PMID: 36822033 PMCID: PMC10238633 DOI: 10.1016/j.eatbeh.2023.101709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 02/10/2023] [Accepted: 02/13/2023] [Indexed: 02/17/2023]
Abstract
PURPOSE Growing literature demonstrates a positive association between food insecurity (FI) and eating disorder pathology. Additionally, FI has been associated with two appetitive traits strongly linked to binge eating, food responsiveness and emotional overeating. However, little research has investigated factors that might help to explain these associations. One hypothesis is that experiencing FI may increase stress, and that eating disorder pathology, particularly binge eating-related phenotypes, may serve as a coping strategy. This study explores stress as a potential mechanism in the association between FI and general eating disorder pathology, as well as two appetitive traits strongly associated with binge eating (food responsiveness and emotional overeating). METHODS Cis-gender women (N = 634) completed online questionnaires assessing FI, stress, eating disorder pathology (measured via the total score on the Short Eating Disorder Examination Questionnaire), and binge eating-related appetitive traits (measured via the Adult Eating Behavior Questionnaire). Cross-sectional indirect effects analyses with a 1000-sample bootstrap were used to test pathways among FI, stress, and eating-related constructs. RESULTS FI was significantly associated with eating disorder pathology and associated appetitive traits (ps < 0.001). Stress explained a significant proportion of the correlation between FI and each eating-related construct. CONCLUSIONS Our findings extend prior research on the relationships between FI, eating disorder pathology, and binge eating-related appetitive traits to provide preliminary evidence that stress may act as an underlying mechanism. Future studies should use longitudinal designs to assess the prospective relationships among these constructs.
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Affiliation(s)
- Jacqueline A Kosmas
- Department of Psychiatry and Behavioral Neuroscience, University of Chicago, USA; Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, USA
| | - Jennifer E Wildes
- Department of Psychiatry and Behavioral Neuroscience, University of Chicago, USA
| | - Andrea K Graham
- Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, USA
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10
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Mikhail ME, Carroll SL, Clark DA, O’Connor SM, Culbert KM, Burt SA, Klump KL. Disadvantage and disordered eating in boys: Examining phenotypic and genotype × environment associations across development. JOURNAL OF PSYCHOPATHOLOGY AND CLINICAL SCIENCE 2023; 132:51-62. [PMID: 36689370 PMCID: PMC9878376 DOI: 10.1037/abn0000791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Socioeconomic disadvantage may be a significant risk factor for disordered eating, particularly for individuals with underlying genetic risk. However, little to nothing is known about the impact of disadvantage on disordered eating in boys during the critical developmental risk period. Crucially, risk models developed for girls may not necessarily apply to boys, as boys show different developmental patterns of disordered eating risk (i.e., earlier activation of genetic influences during adrenarche, an early stage of puberty). This is the first study to examine phenotypic and Genotype × Environment (G × E) effects of disadvantage in boys. Analyses examined 3,484 male twins ages 8-17 (Mage = 12.27, SD = 2.96) from the Michigan State University Twin Registry. Disordered eating (e.g., body dissatisfaction, binge eating) was measured using the parent-report Michigan Twins Project Eating Disorder Survey. Neighborhood disadvantage was measured using a census-tract level Area Deprivation Index, and family socioeconomic status was determined from parental income and education. Adrenarche status was determined using multiple indicators, including age and Pubertal Development Scale scores. G × E models suggested that genetic influences on disordered eating were activated earlier for boys experiencing familial or neighborhood disadvantage, with substantial genetic influences in early adrenarche, when genetic influences were low in more advantaged boys. Phenotypically, both neighborhood and familial disadvantage were associated with greater disordered eating for boys in late adrenarche, which could indicate a lasting impact of earlier activation of genetic influences on later risk. Results highlight disadvantage as a novel risk factor for disordered eating in boys, particularly those with genetic vulnerabilities. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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Affiliation(s)
- Megan E. Mikhail
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - Sarah L. Carroll
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - D. Angus Clark
- Department of Psychiatry and Addiction Center, University of Michigan, Ann Arbor, Michigan, USA
| | | | - Kristen M. Culbert
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - S. Alexandra Burt
- Department of Psychology, Michigan State University, East Lansing, MI, USA
| | - Kelly L. Klump
- Department of Psychology, Michigan State University, East Lansing, MI, USA
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11
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Mikhail ME, Ackerman LS, Culbert KM, Burt SA, Neale MC, Keel PK, Katzman DK, Klump KL. A cotwin control study of associations between financial hardship and binge eating phenotypes during COVID-19. Int J Eat Disord 2023; 56:132-142. [PMID: 36300949 PMCID: PMC9851975 DOI: 10.1002/eat.23841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/20/2022] [Accepted: 10/14/2022] [Indexed: 01/27/2023]
Abstract
BACKGROUND COVID-19 was associated with significant financial hardship and increased binge eating (BE). However, it is largely unknown whether financial stressors contributed to BE during the pandemic. We used a longitudinal, cotwin control design that controls for genetic/environmental confounds by comparing twins in the same family to examine whether financial hardship during COVID-19 was associated with BE. METHODS Female twins (N = 158; Mage = 22.13) from the Michigan State University Twin Registry rated financial stressors (e.g., inability to afford necessities) daily for 49 consecutive days during COVID-19. We first examined whether financial hardship was associated with BE phenotypes across the full sample. We then examined whether cotwins who differed on financial hardship also differed in BE. RESULTS Participants who experienced greater mean financial hardship across the study had significantly greater dimensional BE symptoms, and participants who experienced greater financial hardship on a given day reported significantly more emotional eating that day. These results were replicated in cotwin control analyses. Twins who experienced more financial hardship than their cotwin across the study reported greater dimensional BE symptoms than their cotwin, and participants who experienced more financial hardship than their cotwin on a given day reported greater emotional eating that day. Results were identical when restricting analyses to monozygotic twins, suggesting associations were not due to genetic confounds. CONCLUSIONS Results suggest that BE-related symptoms may be elevated in women who experienced financial hardship during COVID-19 independent of potential genetic/environmental confounds. However, additional research in larger samples is needed. PUBLIC SIGNIFICANCE Little is known regarding how financial difficulties during the COVID-19 pandemic may have contributed to increased binge eating (BE). We found preliminary evidence that financial hardship during COVID-19 may be associated with greater rates of BE-related symptoms even when comparing twins from the same family. While additional research is needed, results suggest that people who experienced financial hardship during COVID-19 may be at increased risk for BE.
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Affiliation(s)
- Megan E. Mikhail
- Department of PsychologyMichigan State UniversityEast LansingMichiganUSA
| | | | - Kristen M. Culbert
- Department of PsychologyMichigan State UniversityEast LansingMichiganUSA
| | - S. Alexandra Burt
- Department of PsychologyMichigan State UniversityEast LansingMichiganUSA
| | - Michael C. Neale
- Departments of Psychiatry, Human Genetics, and PsychologyVirginia Commonwealth UniversityRichmondVirginiaUSA
| | - Pamela K. Keel
- Department of PsychologyFlorida State UniversityTallahasseeFloridaUSA
| | - Debra K. Katzman
- Department of PediatricsUniversity of TorontoTorontoOntarioCanada
| | - Kelly L. Klump
- Department of PsychologyMichigan State UniversityEast LansingMichiganUSA
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12
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McGowan A, Barry MR, Sonneville KR, Leung CW. Greater social adversity is associated with more disordered eating attitudes and behaviors among children from Southeast Michigan. Int J Eat Disord 2022; 55:1670-1677. [PMID: 35833678 PMCID: PMC10084038 DOI: 10.1002/eat.23775] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 06/25/2022] [Accepted: 06/27/2022] [Indexed: 12/14/2022]
Abstract
OBJECTIVE The objective of this study is to examine the association between indicators of social adversity, including socioeconomic status and race/ethnicity, and children's disordered eating behaviors and attitudes. METHODS Children ages 8-10 years old (n = 183) were recruited from Michigan. Data were collected through in-home surveys. The Children's Eating Attitudes Test (ChEAT-24) measured disordered eating attitudes and behaviors in the sample. Cumulative social adversity was considered the sum of four binary variables: caregiver race/ethnicity, caregiver education, household income, and child-reported food security status. Linear mixed models examined the association between social adversity indicators and ChEAT-24 scores. RESULTS Children of primary caregivers of color had significantly higher ChEAT-24 scores than children of white caregivers (p = .03). Children who reported food insecurity had significantly higher ChEAT-24 scores compared to children who reported food security (p = .01). Compared to children with the lowest social adversity score, children with the highest score had a 4.8-unit higher ChEAT-24 score (95% CI .3-9.4), after adjusting for covariates. A significant trend was observed for greater social adversity and higher ChEAT-24 score (p-trend = .02). CONCLUSION A linear association was observed between greater social adversity and more disordered eating behaviors and attitudes among children in this sample. These findings emphasize the need for eating disorder research in children from racial/ethnic minorities and socioeconomically disadvantaged populations to support future prevention efforts. PUBLIC SIGNIFICANCE Greater exposure to social adversity was associated with more disordered eating behaviors among preadolescent children. Given that eating disorders are understudied in lower-income and minority racial/ethnic populations, this study highlights the need for additional research to better support prevention and treatment efforts among children from socioeconomically diverse backgrounds.
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Affiliation(s)
- Andrea McGowan
- Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan, USA
| | - Mikayla R Barry
- Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan, USA
| | - Kendrin R Sonneville
- Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan, USA
| | - Cindy W Leung
- Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan, USA
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13
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Klump KL. Editorial: The critical need to assess pubertal development in studies of child and adolescent psychopathology. J Child Psychol Psychiatry 2022; 63:1451-1453. [PMID: 36412997 PMCID: PMC9937435 DOI: 10.1111/jcpp.13722] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/27/2022] [Indexed: 11/23/2022]
Abstract
Nearly all developmental studies of youth psychopathology assess the effects of age on risk factor-youth outcomes, yet very few examine the effects of pubertal development on developmental trajectories. Growing evidence underscores the importance of both stages of puberty (adrenarche and gonadarche) in risk for psychopathology and the need to consider these developmental stages as predictors and moderators of mental health outcomes and trajectories. The purpose of this Editorial is to provide examples of this evidence and highlight gaps in our literature base as well as opportunities for future research.
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Affiliation(s)
- Kelly L Klump
- Department of Psychology, Michigan State University, East Lansing, MI, USA
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Simone M, Slaughter‐Acey J, Hazzard VM, Eisenberg M, Neumark‐Sztainer D. Exploring the intersection of multiple social determinants of health and disordered eating behaviors in a population-based sample in the United States. Int J Eat Disord 2022; 55:1589-1602. [PMID: 36324296 PMCID: PMC9633979 DOI: 10.1002/eat.23795] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 07/25/2022] [Accepted: 07/25/2022] [Indexed: 01/07/2023]
Abstract
OBJECTIVE Disordered eating behaviors (DEBs) have long-term, deleterious effects on health and are more prevalent among socially marginalized groups, likely as a result of systemic inequities across social determinants of health (SDoH). This exploratory study aimed to identify subgroups of emerging adults characterized by main and interactive associations between SDoH and two forms of DEB (binge eating, extreme unhealthy weight control behaviors). METHOD Participants (n = 1568; age 22.2 ± 2.1 years) from the United States were drawn from the EAT 2010-2018 longitudinal study. Conditional inference tree (CIT) analyses derived main and intersecting SDoH related to DEB across 33 input variables collected during adolescence and emerging adulthood. RESULTS The binge eating CIT revealed five subgroups (prevalence: 6.3-23.2%) shaped by variables collected during emerging adulthood: appearance-based teasing (p < .001), financial difficulty (p = .003), gender (p < .001), and everyday discrimination (p = .008). The CIT results for extreme unhealthy weight control behaviors derived six subgroups (prevalence: 2.3-45.5%) shaped by weight teasing (p < .001) and gender (p < .001) during emerging adulthood and public assistance (p = .008) and neighborhood safety (p = .007) in adolescence. DISCUSSION This exploratory study revealed distinct subgroups of emerging adults with varying DEB prevalence, suggesting that variability in DEB prevalence may be partially explained by intersecting SDoH during adolescence and emerging adulthood. Hypothesis-driven research and replication studies are needed to further explore the associations between SDoH and DEB during emerging adulthood. PUBLIC SIGNIFICANCE STATEMENT Disordered eating behaviors are common among young people in the United States and have long-term health consequences. This exploratory study identified subgroups of young people, characterized by combinations of social inequities (e.g., financial difficulties, teasing). Results highlight high-risk subgroups of emerging adults that should be examined further in hypothesis-driven research.
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Affiliation(s)
- Melissa Simone
- Division of Epidemiology and Community HealthUniversity of Minnesota School of Public HealthMinneapolisMinnesotaUSA
| | - Jaime Slaughter‐Acey
- Division of Epidemiology and Community HealthUniversity of Minnesota School of Public HealthMinneapolisMinnesotaUSA
| | - Vivienne M. Hazzard
- Division of Epidemiology and Community HealthUniversity of Minnesota School of Public HealthMinneapolisMinnesotaUSA
| | - Marla Eisenberg
- Department of PediatricsUniversity of Minnesota Medical SchoolMinneapolisMinnesotaUSA
| | - Dianne Neumark‐Sztainer
- Division of Epidemiology and Community HealthUniversity of Minnesota School of Public HealthMinneapolisMinnesotaUSA
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Huckins LM, Signer R, Johnson J, Wu YK, Mitchell KS, Bulik CM. What next for eating disorder genetics? Replacing myths with facts to sharpen our understanding. Mol Psychiatry 2022; 27:3929-3938. [PMID: 35595976 PMCID: PMC9718676 DOI: 10.1038/s41380-022-01601-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 04/20/2022] [Accepted: 04/26/2022] [Indexed: 02/07/2023]
Abstract
Substantial progress has been made in the understanding of anorexia nervosa (AN) and eating disorder (ED) genetics through the efforts of large-scale collaborative consortia, yielding the first genome-wide significant loci, AN-associated genes, and insights into metabo-psychiatric underpinnings of the disorders. However, the translatability, generalizability, and reach of these insights are hampered by an overly narrow focus in our research. In particular, stereotypes, myths, assumptions and misconceptions have resulted in incomplete or incorrect understandings of ED presentations and trajectories, and exclusion of certain patient groups from our studies. In this review, we aim to counteract these historical imbalances. Taking as our starting point the Academy for Eating Disorders (AED) Truth #5 "Eating disorders affect people of all genders, ages, races, ethnicities, body shapes and weights, sexual orientations, and socioeconomic statuses", we discuss what we do and do not know about the genetic underpinnings of EDs among people in each of these groups, and suggest strategies to design more inclusive studies. In the second half of our review, we outline broad strategic goals whereby ED researchers can expand the diversity, insights, and clinical translatability of their studies.
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Affiliation(s)
- Laura M Huckins
- Pamela Sklar Division of Psychiatric Genomics, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Institute for Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Mental Illness Research, Education and Clinical Centers, James J. Peters Department of Veterans Affairs Medical Center, Bronx, NY, 14068, USA
| | - Rebecca Signer
- Pamela Sklar Division of Psychiatric Genomics, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Jessica Johnson
- Pamela Sklar Division of Psychiatric Genomics, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Ya-Ke Wu
- School of Nursing, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Karen S Mitchell
- National Center for PTSD at VA Boston Healthcare System, Boston, MA, USA
- Department of Psychiatry, Boston University School of Medicine, Boston, MA, USA
| | - Cynthia M Bulik
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
- Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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Levine MP. Prevention of eating disorders: 2021 in review. Eat Disord 2022; 30:121-143. [PMID: 35167430 DOI: 10.1080/10640266.2022.2030882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
This review of 19 prevention-related publications in Eating Disorders during 2021 is framed by four models: (1) Mental Health Intervention Spectrum: health promotion → types of prevention → case identification/referral → treatment; (2) the prevention cycle: rationale and theory, shaped by critical reviews → clarifying risk and protective factors → program innovation and feasibility studies → efficacy and effectiveness research → program dissemination; (3) links between disordered eating (DE) and eating disorders (EDs); and (4) Kraemer and Jacobi's criteria for variable, causal risk factors (RFs). Twelve articles demonstrated the strengths and limitations of cross-sectional investigations of RFs for DE and EDs: five explored the role of trauma in activating genetic and psychological RFs (e.g., anxiety and experiential avoidance), while five suggest other variables meriting further evaluation: ergogenic supplement use, "feeling fat," internalized weight bias, food insecurity, and compulsive exercising. One article presents a pilot program that reduced risk factors in a high-risk group: professional ballerinas. Implications of the absence of efficacy, effectiveness, dissemination, and advocacy studies, along with the need to develop tailored programs for various high-risk groups, are discussed.
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Affiliation(s)
- Michael P Levine
- Department of Psychology (emeritus), Kenyon College, Gambier, Ohio, USA
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Temperament and psychopathology in early childhood predict body dissatisfaction and eating disorder symptoms in adolescence. Behav Res Ther 2022; 151:104039. [PMID: 35139437 PMCID: PMC8923907 DOI: 10.1016/j.brat.2022.104039] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 12/10/2021] [Accepted: 01/14/2022] [Indexed: 01/08/2023]
Abstract
Eating disorders (ED) are highly impairing and dangerous conditions that typically onset in adolescence. However, very few prospective studies have examined early childhood risk factors for ED pathology. Given well-established links between temperament and psychopathology, examination of these factors could inform prevention efforts. The current multi-method, multi-informant prospective longitudinal study tested whether laboratory-observed and parent-reported temperament and psychiatric disorders at ages 3 and 6 (N = 609) predict body dissatisfaction at ages 12 and 15 and dimensional symptoms of EDs (anorexia nervosa [AN] and bulimia nervosa [BN]) at age 15 (n = 458) in a community sample. Results indicated that early childhood temperament (positive and negative emotionality, perceptual sensitivity, impulsivity, less shyness) and childhood psychopathology (anxiety, oppositional defiant, attention deficit/hyperactivity, and depressive disorders), predicted body dissatisfaction in adolescence. In addition, childhood perceptual sensitivity and oppositional defiant and depressive disorders predicted AN symptoms. Demographic characteristics (female sex, lower levels of fathers' education, and parental marital status) in childhood predicted body dissatisfaction and AN symptoms. No temperament or psychopathology variables predicted BN symptoms. This study is an important first step toward continuing to identify areas of focus for future research on early childhood risk factors for ED symptoms and body dissatisfaction.
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