American Psychiatric Association. The diagnostic and statistical manual of mental disorders, fifth edition: DSM 5. Virginia: American Psychiatric Association; 2013.
Book
Google Scholar
Accurso EC, Ciao AC, Fitzsimmons-Craft EE, Lock JD, Le Grange D. Is weight gain really a catalyst for broader recovery? The impact of weight gain on psychological symptoms in the treatment of adolescent anorexia nervosa. Behav Res Ther. 2014;56:1–6. https://doi.org/10.1016/j.brat.2014.02.00.
Article
PubMed
PubMed Central
Google Scholar
Bijsterbosch JM, van den Brink F, Vollmann M, Boelen PA, Sternheim LC. Understanding relations between intolerance of uncertainty, social anxiety, and body dissatisfaction in women. J Nerv Ment Dis. 2020;208(10):833–5. https://doi.org/10.1097/NMD.000000000000120.
Article
PubMed
Google Scholar
Boelen PA, Lenferink LIM. Latent class analysis of indicators of intolerance of uncertainty. Scand J Psychol. 2018;59:243–51. https://doi.org/10.1111/sjop.12440.
Article
PubMed
Google Scholar
Boelen PA, Vrinssen I, van Tulder F. Intolerance of uncertainty in adolescents: correlated with worry, social anxiety, and depression. J Nerv Ment Disord. 2010;198(3):194–200. https://doi.org/10.1097/NMD.0b013e3181d143de.
Article
Google Scholar
Bomyea J, Ramsawh H, Ball TM, Taylor CT, Paulus MP, Lang AJ, Stein MB. Intolerance of uncertainty as a mediator of reductions in worry in a cognitive behavioral treatment program for generalized anxiety disorder. J Anxiety Disord. 2015;33:90–4. https://doi.org/10.1016/j.janxdis.2015.05.004.
Article
PubMed
PubMed Central
Google Scholar
Borkovec TD. The nature, functions, and origins of worry. In: Davey GCL, Tallis F, editors. Worrying: perspectives on theory, assessment, and treatment. Chichester: Wiley; 1994.
Google Scholar
Borkovec TD, Ray WJ, Stober J. Worry: a cognitive phenomenon intimately linked to affective, physiological, and interpersonal behavioral processes. Cogn Ther Res. 1998;22:561–76.
Article
Google Scholar
Boswell JF, Thompson-Hollands J, Farchione TJ, Barlow DH. Intolerance of uncertainty: a common factor in the treatment of emotional disorders. J Clin Psychol. 2013;69:630–45. https://doi.org/10.1002/jclp.21965.
Article
PubMed
Google Scholar
Brown M, Robinson L, Campione GC, Wuensch K, Hildebrandt T, Micali N. Intolerance of uncertainty in eating disorders: a systematic review and a meta-analysis. Eur Eat Disord Rev. 2017;25:329–43. https://doi.org/10.1002/erv.2523.
Article
PubMed
Google Scholar
Bucchianeri MM, Arikian AJ, Hannan PJ, Eisenberg ME, Neumark-Sztainer D. Body dissatisfaction from adolescence to young adulthood: findings from a 10-year longitudinal study. Body Image. 2013;10(10):1–7. https://doi.org/10.1016/j.bodyim.2012.09.001.
Article
PubMed
Google Scholar
Calguli S, Dalle Grave R. Body image concern and treatment outcomes in adolescents with anorexia nervosa. Int J Eat Disord. 2019;52:582–5. https://doi.org/10.1002/eat.23031.
Article
Google Scholar
Campbell K, Peebles R. Eating disorders in children and adolescents. Pediatrics. 2014;134(3):582–92. https://doi.org/10.1542/peds.2014-0194.
Article
PubMed
Google Scholar
Carleton RN. Into the unknown: a review and synthesis of contemporary models involving uncertainty. J Anxiety Disord. 2016;39:30–43. https://doi.org/10.1016/j.janxdis.2016.02.007.
Article
PubMed
Google Scholar
Carleton RN. Fear of the unknown: one fear to rule them all? J Anxiety Disord. 2016;41:5–21. https://doi.org/10.1016/j.janxdis.2016.03.011.
Article
PubMed
Google Scholar
Carleton RN, Norton PJ, Asmundson GJG. Fearing the unknown: a short version of the intolerance of uncertainty scale. J Anxiety Disord. 2007;21:105–17. https://doi.org/10.1016/j.janxdis.2006.03.014.
Article
PubMed
Google Scholar
Centers for Disease Control and prevention (2021) BMI percentile calculator for child and teen. https://www.cdc.gov/healthyweight/bmi/calculator.html
Chorpita BF, Tracey SA, Brown TA, Collica TJ, Barlow DH. Assessment of worry in children and adolescents: an adaptation of the Penn State Worry Questionnaire. Behav Res Ther. 1997;35(6):569–81. https://doi.org/10.1016/s0005-7967(96)00116-7.
Article
PubMed
Google Scholar
Chorpita BF, Yim L, Moffitt C, Umemoto LA, Francis SE. Assessment of symptoms of DSM-IV anxiety and depression in children: a revised child anxiety and depression scale. Behav Res Ther. 2000;38(8):835–55. https://doi.org/10.1016/s0005-7967(99)00130-8.
Article
PubMed
Google Scholar
Cohen J. A power primer. Psychol Bull. 1992;112(1):155–9. https://doi.org/10.1037/0033-2909.112.1.155.
Article
PubMed
Google Scholar
Davey GCL, Hampton J, Farrell J, Davidson S. Some characteristics of worrying: evidence for worrying and anxiety as separate constructs. Pers Individ Differ. 1991;13(2):133–214. https://doi.org/10.1016/0191-8869(92)90036-O.
Article
Google Scholar
Dugas MJ, Laugesen N, Bukowski WM. Intolerance of uncertainty: fear of anxiety, and adolescent worry. J Abnorm Child Psychol. 2012;40:838–70. https://doi.org/10.1007/s10802-012-9611-1.
Article
Google Scholar
Dugas MJ, Koerner N. Cognitive-behavioral treatment for generalized anxiety disorder: current status and future. Dir J Cogn Psychotherap. 2005;19:61–81. https://doi.org/10.1891/088983905780907252.
Article
Google Scholar
Engel MM, Keizer A. Body representation disturbances in visual perception and affordance perception persist in eating disorder patients after completing treatment. Sci Rep. 2017;7:16184. https://doi.org/10.1038/s41598-017-16362-w.
Article
PubMed
PubMed Central
Google Scholar
Fairburn CG, Cooper Z. The eating disorder examination (12th edition). In: Fairburn CG, Wilson GT, editors. Binge eating: nature, assessment, and treatment. New York: Guilford Press; 1993. p. 317–60.
Google Scholar
Fairburn CG, Cooper Z, Shafran R. Cognitive behavior therapy for eating disorders: a “transdiagnostic” theory and treatment. Behav Res Ther. 2003;41(5):509–28. https://doi.org/10.1016/s0005-7967(02)00088-8.
Article
PubMed
Google Scholar
Field A. Discovering statistics using SPSS. 5th ed. London: Sage; 2018.
Google Scholar
Frank GK, Roblek T, Shott ME, Jappe LM, Rollin MD, Hagman JO, Pryor T. Heightened fear of uncertainty in anorexia and bulimia nervosa. Int J Eat Disord. 2012;45(2):227–32. https://doi.org/10.1002/eat.20929.
Article
PubMed
Google Scholar
Garner DM, Garfinkel PE. Body image in anorexia nervosa: measurement, theory and clinical implications. Int J Psychiatry Med. 1982;157(11):1799–805.
Google Scholar
Ghasemi A, Zahediasl A. Normality tests for statistical analysis: a guide for non-statisticians. Int J Endocrinol Metab. 2012;2:486–9. https://doi.org/10.5812/ijem.3505.
Article
Google Scholar
Grenier S, Ladouceur R. Manipulation de l’intolerance a l’incertitude et inquietudes [Manipulation of intolerance of uncertainty]. Can J Behav Sci. 2004;36:56–65. https://doi.org/10.1037/h0087216.
Article
Google Scholar
Hayes AF. Introduction to mediation, moderation, and conditional process analysis second edition: a regression-based approach. New York: Guilford Press; 2018.
Google Scholar
Helsen K, Van den Bussche E, Vlaeyen JWS, Goubert L. Less is more. Confirmatory factor analysis of the Dutch Intolerance of Uncertainty Scale: comparison of the full and short version. J Behav Ther Exp Psychiatry. 2013;44:21–9. https://doi.org/10.1016/j.jbtep.2012.07.004.
Article
PubMed
Google Scholar
Hong RY, Lee SSM. Further clarifying prospective and inhibitory intolerance of uncertainty: factorial and construct validity of test scores from the Intolerance of Uncertainty Scale. Psychol Assess. 2015;272:605–20. https://doi.org/10.1037/pas0000074.
Article
Google Scholar
IBM Corp Released. IBM SPSS statistics for windows, version 26.0. Armonk: IBM Corp; 2019.
Google Scholar
Jansen A. Eating disorder examination (EDE 12.0). Interview ter vaststelling van de specifieke psychopathologie van eetstoornissen. Lisse: Swets & Zeitlinger; 2000.
Google Scholar
Keel PK, Dorer DJ, Franko DL, Jackson SC, Herzog DB. Postremission predictors of relapse in women with eating disorders. Am J Psychiatry. 2005;162:2263–8. https://doi.org/10.1176/appi.ajp.162.12.2263.
Article
PubMed
Google Scholar
Kerkhof A, Hermas D, Figee A, Laeremans I, Pieters G. De Penn State Worry Questionnaire en de Worry Domains Questionnaire: eerste resultaten bij Nederlandse en Vlaamse Klinische en poliklinische populaties [Penn State Worry Questionnaire and the Worry Domains Questionnaire: first results in Dutch and Flemish in- and outpatient groups]. Gedragstherapie. 2000;33(2):135–45.
Google Scholar
Kesby A, Maguire S, Brownlow R, Grisham J. Intolerance of uncertainty in eating disorders: an update on the field. Clin Psychol Rev. 2017;56:94–105. https://doi.org/10.1016/j.cpr.2017.07.002.
Article
PubMed
Google Scholar
Kesby A, Maguire S, Vartaniana LR, Grisham JR. Intolerance of uncertainty and eating disorder behaviour: piloting a consumption task in a non-clinical sample. J Behav Ther Exp Psychiatry. 2019. https://doi.org/10.1016/j.jbtep.2019.101492.
Article
PubMed
Google Scholar
Koerner N, Dugas MJ. An investigation of appraisals in individuals vulnerable to excessive worry: the role of intolerance of uncertainty. Cogn Ther Res. 2008. https://doi.org/10.1007/s10608-007-9125-2.
Article
Google Scholar
Koerner N, Meija T, Kusec A. What’s in the name? Intolerance of uncertainty, other uncertainty-relevant constructs, and their differential relations to worry and generalized anxiety disorder. Cogn Behav Ther. 2017;46(2):141–61. https://doi.org/10.1080/16506073.2016.1211172.
Article
PubMed
Google Scholar
Konstantellou A, Hale L, Sternheim L, Simic M, Eisler I. The experience of intolerance of uncertainty for young people with a restrictive eating disorder: a pilot study. Eat Weight Disord Studies Anorexia Bulimia Obes. 2019;24:533–40. https://doi.org/10.1007/s40519-019-00652-5.
Article
Google Scholar
Ladouceur R, Gosselin P, Dugas MJ. Experimental manipulation of intolerance of uncertainty: a study of a theoretical model of worry. Behav Res Ther. 2000;38:933–41. https://doi.org/10.1016/S0005-7967(99)00133-3.
Article
PubMed
Google Scholar
Laugesen N, Dugas MJ, Bukowski WM. Understanding adolescent worry: the application of a cognitive model. J Abnorm Child Psychol. 2003;31:55–64. https://doi.org/10.1023/a:1021721332181 (PMID: 12597699).
Article
PubMed
Google Scholar
Levinson CA, Brosof LC, Shankar Ram S, Pruitt A, Russell S, Lenze EJ. Obsessions are strongly related to eating disorder symptomatology in anorexia nervosa and atypical anorexia nervosa. Eat Behav. 2019;34: 101298. https://doi.org/10.1016/jeatbeh.2019.05.001.
Article
PubMed
PubMed Central
Google Scholar
Linardon J, Phillipou A, Castle D, Newton R, Harrison P, Cistullo LL, Griffths S, Hindle A, Brennan L. The relative associations of shape and weight overevaluation, preoccupation, dissatisfaction, and fear of weight gain with measures of psychopathology: an extension study in individuals with anorexia nervosa. Eat Behav. 2018;29:54–8. https://doi.org/10.1016/j.eatbeh.2018.03.002.
Article
PubMed
Google Scholar
Lloyd EC, Sallis HM, Verplanken B, Haase AM, Munafò MR. Understanding the nature of association between anxiety phenotypes and anorexia nervosa: a triangulation approach. BMC Psychiatry. 2020;7:495. https://doi.org/10.1186/s12888-020-02883-8.
Article
Google Scholar
Lydecker JA, White MA, Grilo CM. Form and formulation: examining the distinctiveness of body image constructs in treatment-seeking patients with binge-eating disorder. J Consult Clin Psychol. 2017;85(11):1095–103. https://doi.org/10.1037/ccp0000258.
Article
PubMed
PubMed Central
Google Scholar
McEvoy PM, Mahoney AEJ. Achieving certainty about the structure of intolerance of uncertainty in a treatment-seeking sample with anxiety and depression. J Anxiety Disord. 2011;25:112–22. https://doi.org/10.1016/j.janxdis.2010.08.010.
Article
PubMed
Google Scholar
McEvoy PM, Mahoney AEJ. To be sure, to be sure: intolerance of uncertainty mediates symptoms of various anxiety disorders and depression. Behav Ther. 2012;43:533–45. https://doi.org/10.1016/j.beth.2011.02.007.
Article
PubMed
Google Scholar
Meyer TJ, Miller ML, Metzger RL, Borkovec TD. Development and validation of the penn state worry questionnaire. Behav Res Ther. 1990;28(6):487–95.
Article
PubMed
Google Scholar
Pace U, Passanisi A, D’Urso G. Emotional and cognitive correlations of hating among adolescents: an exploratory study. J Adolesc. 2018;68:159–64. https://doi.org/10.1016/j.adolescence.2018.08.002.
Article
PubMed
Google Scholar
Rosen NO, Knäuper B. A little uncertainty goes a long way: state and trait differences in uncertainty interact to increase information seeking but also increase worry. Health Commun. 2009;24:228–38. https://doi.org/10.1080/10410230902804125.
Article
PubMed
Google Scholar
Rosen NO, Knäuper B, Sammut J. Do individual differences in intolerance of uncertainty affect health monitoring? Psychol Health. 2007;22:413–30. https://doi.org/10.1080/14768320600941038.
Article
Google Scholar
Sala M, Levinson CA. The longitudinal relationship between worry and disordered eating: is worry a precursor or consequence of disordered eating? Eat Behav. 2016;23:28–32. https://doi.org/10.1016/jeatbeh.2016.07.012.
Article
PubMed
PubMed Central
Google Scholar
Sassaroli S, Bertilli S, Decoppi M, Crosima M, Milos G, Ruggiero GM. Worry and eating disorders: a pathological association. Eat Behav. 2005;6:201–307. https://doi.org/10.1002/eat.20079.
Article
Google Scholar
Sattler FA, Eickmeyer S, Eisenkolb J. Body image disturbances in children and adolescents with anorexia nervosa and bulimia nervosa: a systematic review. Eight Weight Disord Studies Anorexia Bulimia Obes. 2019;25:857–65. https://doi.org/10.1007/s40519-019-00725-5.
Article
Google Scholar
Schaumberg K, Zerwas S, Goodman E, Yilmaz Z, Bulik CM, Micali N. Anxiety disorder symptoms at age 10 predict eating disorder symptoms and diagnoses in adolescence. J Child Psychol Psychiatry. 2019;60(6):686–96. https://doi.org/10.1111/jcpp.12984.
Article
PubMed
Google Scholar
Schmidt U, Treasure J. Anorexia nervosa: valued and visible. A cognitive interpersonal maintenance model and its implications for research and practice. Br J Clin Psychol. 2006;45:343–66. https://doi.org/10.1348/014466505X53902.
Article
PubMed
Google Scholar
Seidel M, Petermann J, Diestal S, Ritschel F, Boehm I, King JA, Geisler D, Bernardoni F, Roessner V, Goschke T, Erlich S. A naturalistic examination of negative affect and disorder-related rumination in anorexia nervosa. Eur Child Adolesc Psychiatry. 2016;25:1207–16.
Article
PubMed
Google Scholar
Songco A, Hudson JL, Fox E. A cognitive model of pathological worry in children and adolescents: a systematic review. Clin Child Fam Psychol Rev. 2020;23(2):229–49. https://doi.org/10.1007/s10567-020-00311-7.
Article
PubMed
PubMed Central
Google Scholar
Startup H, Lavender A, Oldershaw A, Stott R, Tchanturia K, Treasure J, Schmidt U. Worry and rumination in anorexia nervosa. Behav Cogn Psychother. 2013;41(3):301–16. https://doi.org/10.1017/S1352465812000847.
Article
PubMed
Google Scholar
Sternheim L, Konstantellou A, Startup H, Schmidt NB. What does un- certainty mean to women with anorexia nervosa? An interpretative phenomenological analysis. Eur Eat Disord Rev. 2011;19:12–24. https://doi.org/10.1136/bmj.a288.
Article
PubMed
Google Scholar
Sternheim L, Startup H, Schmidt U. An experimental exploration of behavioral and cognitive-emotional aspects of intolerance of uncertainty in eating disorder patients. J Anxiety Disord. 2012;25(6):806–12. https://doi.org/10.1016/j.janxdis.2011.03.020.
Article
Google Scholar
Sternheim L, Startup H, Schmidt U. Anxiety-related processes in anorexia nervosa and their relation to eating disorder pathology, depression and anxiety. Adv Eat Disord. 2015;3:13–9. https://doi.org/10.1080/21662630.2014.948469.
Article
Google Scholar
Sternheim L, Fisher M, Harrison A, Watling R. Predicting intolerance of uncertainty in individuals with eating disorder symptoms. J Eat Disord. 2017;5:26–35. https://doi.org/10.1186/s40337-017-0152-4.
Article
PubMed
PubMed Central
Google Scholar
Smink FR, van Hoeken D, Hoek HW. Epidemiology, course, and outcome of eating disorders. Curr Psychiatry Rep. 2013;26(6):543–8. https://doi.org/10.1007/s11920-012-0282-y.
Article
Google Scholar
Stice E, Shaw HE. Role of body dissatisfaction and maintenance of eating pathology A synthesis of research findings. J Psychosom Res. 2002;53:985–93.
Article
PubMed
Google Scholar
Vannucci A, McCauley Ohannessias C. Body image dissatisfaction and anxiety trajectories during adolescence. J Clin Child Adolesc Psychol. 2018;47:785–95. https://doi.org/10.1080/15374416.2017.1390755.
Article
PubMed
Google Scholar
Vall E, Wade TD. Predictors of treatment outcome in individuals with eating disorders: a systematic review and meta-analysis. Int J Eat Disord. 2015;48(7):946–71. https://doi.org/10.1002/eat.22411.
Article
PubMed
Google Scholar
Vasey MW. Development and cognition in childhood anxiety: the example of worry. In: Ollendick TH, Prinz RJ, editors. Advances in clinical child psychology, vol. 15. New York: Plenum; 1993. p. 1–39.
Google Scholar
Vasey MW, Borkovec TD. A catastrophizing assessment of worrisome thoughts. Cogn Ther Res. 1992;16:505–20. https://doi.org/10.1007/BF01175138.
Article
Google Scholar
Wade TD, Byrne S, Bryant-Waugh R. The eating disorder examination: norms and construct validity with young and middle adolescent girl. Int J Eat Disord. 2008;41:551–8.
Article
PubMed
Google Scholar
Watkins E. Adaptive and maladaptive ruminantive self-focus during emotional processing. Behav Res Ther. 2004;42(9):1037–52. https://doi.org/10.1016/j.brat.2004.01.009.
Article
PubMed
Google Scholar
Winer ES, Cervone D, Bryant J, McKinney C, Liu RT, Nadorff MR. Distinguishing mediational models and analyses in clinical psychology: atemporal associations do not imply causation. J Clin Psychol. 2016;72:947–55. https://doi.org/10.1002/jclp.2229.
Article
PubMed
Google Scholar
Wildes JE, Ringham RM, Marcus M. Emotion avoidance in patients with anorexia nervosa: initial test of a functional model. Int J Eat Disord. 2010;43(5):398–404. https://doi.org/10.1002/eat.20730.
Article
PubMed
PubMed Central
Google Scholar
Yook K, Kim KH, Suh SY, Lee KS. Intolerance of uncertainty, worry, and rumination in major depressive disorder and generalized anxiety disorder. J Anxiety Disord. 2010;24(6):623–8. https://doi.org/10.1016/j.janxdis.2010.04.003.
Article
PubMed
Google Scholar