Change in body image flexibility and correspondence with outcomes in a digital early intervention for eating disorders based on acceptance and commitment therapy

Merwin, Rhonda M.; Nikolaou, Patrisia; Moskovich, Ashley A.; Babyak, Michael A.; Smith, Patrick J.; Karekla, Maria

doi:10.1016/j.bodyim.2022.12.010

Cited by 8 publications

(3 citation statements)

References 24 publications

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“…The other recruited a sample displaying body Engagement also appeared to predict symptom level change. Of 19 studies (16 RCTs), 9 found a relationship between higher engagement and greater improvement in symptoms (Beintner, Emmerich, et al, 2019;Celio et al, 2002;Fitzsimmons-Craft et al, 2019;Fitzsimmons-Craft et al, 2020;Low et al, 2006;Manwaring et al, 2008;Merwin et al, 2023;Taylor et al, 2006;Tregarthen et al, 2019), although it is important to note that engagement was operationalized quite differently across studies. All samples consisted of participants with identified risk factors (i.e., shape/weight concerns)…”

Section: Synthesis Of Findingsmentioning

confidence: 99%

Predictors, mediators, and moderators of response to digital interventions for eating disorders: A systematic review

McClure,

Fuller‐Tyszkiewicz,

Messer

et al. 2023

Intl J Eating Disorders

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ObjectiveDigital interventions show promise as an effective prevention or self‐management option for eating disorders (EDs). However, it remains unclear how, for whom, and through what mechanisms they work in this population, as a synthesis of outcome predictors, moderators, and mediators is lacking. This systematic review synthesized empirical research investigating predictors, mediators, and moderators of response to digital interventions for EDs.MethodSix databases were searched (PROSPERO CRD42022295565) for studies that assessed predictors, moderators, or mediators of response (i.e., uptake, drop‐out, engagement, and symptom level change) to a digital prevention or treatment program for EDs. Variables were grouped into several overarching categories (demographic, symptom severity, psychological, etc.) and were synthesized qualitatively across samples without a formally diagnosed ED (typically prevention‐focused) and samples with a formally diagnosed ED (typically treatment‐focused).ResultsEighty‐six studies were included. For studies recruiting samples without a formal diagnosis (n = 70 studies), most predictors explored were statistically unrelated to outcome, although participant age, baseline symptom severity, confidence to change, motivation, and program engagement showed preliminary evidence of prognostic potential. No robust moderators or mediators were identified. Few studies recruiting samples with a formal diagnosis emerged (n = 16), of which no reliable predictors, moderators, or mediators were identified.DiscussionIt remains unclear how, for whom, and under what circumstances digital programs targeting EDs work. We offer several recommendations for future research with the aim of advancing understanding of client characteristics and intervention elements that signal success from this intervention modality.Public SignificanceDigital interventions have shown potential as an effective, scalable, and accessible intervention option for EDs. However, responsiveness varies, so advancing understanding of predictors, mediators, and moderators of outcome to digital interventions for EDs is needed. Such knowledge is important for enabling safe and efficient treatment matching, and for informing future development of effective digital interventions.

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Section: Synthesis Of Findingsmentioning

confidence: 99%

Predictors, mediators, and moderators of response to digital interventions for eating disorders: A systematic review

McClure,

Fuller‐Tyszkiewicz,

Messer

et al. 2023

Intl J Eating Disorders

View full text Add to dashboard Cite

show abstract

“…Importantly, since dispositional mindfulness and body image flexibility have been proposed as core constructs to target in third-wave behavioral therapies for body dissatisfaction and disordered eating (e.g., Bluett et al, 2016;Fogelkvist et al, 2020;Lee et al, 2018;Linardon et al, 2017Linardon et al, , 2019Merwin et al, 2023), it is also important to understand the relative importance of these two factors to further explain variability in the well-documented association between body dissatisfaction and disordered eating. Thus, in the present study, we also compared the relative importance of the moderating roles of dispositional mindfulness and body image flexibility by entering both moderators in the same regression model.…”

Section: The Present Studymentioning

confidence: 99%

“…Specifically, research identifies the protective role of body image flexibility in relation to eating and body image disturbances (see reviews in Linardon et al, 2021; Rogers et al, 2018). Also, interventions focusing on body image flexibility are based on acceptance and commitment therapy (ACT), and these interventions target and improve psychological inflexibility via body‐related thoughts and feelings (e.g., Merwin et al, 2023). However, there has been limited empirical research evidence on the potential moderating effects of dispositional mindfulness and body image flexibility in adolescent populations.…”

Section: Introductionmentioning

confidence: 99%

Exploring the moderating roles of dispositional mindfulness and body image flexibility in the association between body dissatisfaction and disordered eating in Chinese adolescents

Chen,

Wang,

Barnhart

et al. 2024

J Clin Psychol

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ObjectivesPrevious research suggests potential moderating roles of dispositional mindfulness and body image flexibility in the association between body dissatisfaction and disordered eating. However, relevant research is mainly conducted on adult women from Western countries, and limited evidence exists for adolescent samples, especially from non‐Western contexts (e.g., China). Thus, this study aimed to examine the moderating roles of dispositional mindfulness and body image flexibility in the relationship between body dissatisfaction and disordered eating in Chinese adolescents.MethodWe recruited 545 Chinese adolescents (53.9% boys, aged 12–16 years) who completed measures of body dissatisfaction, dispositional mindfulness, body image flexibility, and disordered eating. Moderation analyses were examined with PROCESS macro on SPSS.ResultsIn separate models, both higher dispositional mindfulness and body image flexibility weakened relationships between body dissatisfaction and disordered eating. However, when both dispositional mindfulness and body image flexibility were entered into the same moderation model, only body image flexibility showed a significant moderating effect.DiscussionBoth dispositional mindfulness and body image flexibility may weaken the association between body dissatisfaction and disordered eating in adolescents. However, body image flexibility might have a stronger effect than dispositional mindfulness. These findings suggest that interventions aimed at reducing body dissatisfaction to prevent disordered eating in adolescents may pay more attention to adolescents' body image flexibility.

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The distinct affect regulation functions of body image flexibility and inflexibility: A prospective study in adolescents and emerging adults

Brichacek,

Neill,

Murray

et al. 2024

Body Image

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Change in body image flexibility and correspondence with outcomes in a digital early intervention for eating disorders based on acceptance and commitment therapy

Cited by 8 publications

References 24 publications

Predictors, mediators, and moderators of response to digital interventions for eating disorders: A systematic review

Predictors, mediators, and moderators of response to digital interventions for eating disorders: A systematic review

Exploring the moderating roles of dispositional mindfulness and body image flexibility in the association between body dissatisfaction and disordered eating in Chinese adolescents

The distinct affect regulation functions of body image flexibility and inflexibility: A prospective study in adolescents and emerging adults

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