Bulimia symptoms in Czech youth: prevalence and association with internalizing problems
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ORIGINAL ARTICLE
Bulimia symptoms in Czech youth: prevalence and association with internalizing problems Anna Larsen1 · Marie Lilja1 · Knut Sturidsson1,7 · Marek Blatny2 · Michal Hrdlicka3 · Andrew Stickley4 · Vladislav Ruchkin5,6,7 Received: 24 April 2019 / Accepted: 30 September 2019 © The Author(s) 2019
Abstract Objective Although clinical studies suggest that bulimia symptoms are common in youth, research on the prevalence of such symptoms and of their association with comorbid internalizing problems in the general population has been limited. This study aimed to evaluate the gender-specific prevalence of bulimia symptoms in Czech youth and explored the association between a clinical level of self-reported bulimia symptoms (CLBS) and internalizing problems by gender, controlling for age, socio-economic status and puberty status. Method The study was conducted on a representative national sample of Czech youth (N = 4430, 57.0% female) using selfreport scales. Multivariate analysis of covariance (MANCOVA) was used to examine the associations. Results The 3-month CLBS prevalence was higher in girls (11.4%) than in boys (3.8%) and in both genders a CLBS was associated with higher levels of comorbid internalizing problems. Discussion Timely recognition of bulimia symptoms and associated risk factors is important for early prevention and intervention strategies. Level of evidence V, cross-sectional descriptive study (according to Oxford (UK) CEBM Levels of Evidence, 2011). Keywords Bulimia symptoms · Internalizing problems · Prevalence · Czech Republic · Adolescents
Introduction
* Vladislav Ruchkin [email protected] 1
Division of Psychology, Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden
2
Department of Psychology, Faculty of Arts MU, Brno, Czech Republic
3
Department of Child Psychiatry, Charles University Second Faculty of Medicine, University Hospital Motol, Prague, Czech Republic
4
Stockholm Center for Health and Social Change (SCOHOST), Södertörn University, Huddinge, Sweden
5
Child and Adolescent Psychiatry Unit, Department of Neuroscience, Uppsala University, 751 85 Uppsala, Sweden
6
Child Study Center, Yale University Medical School, New Haven, CT 06520, USA
7
Säter Forensic Psychiatric Clinic, 783 27 Säter, Sweden
In recent years, there has been a plethora of clinical studies addressing a broad range of factors relating to eating disorders (ED). It is well documented that ED are associated with a number of adverse physical, social and psychological consequences [1]. They are difficult to treat, impose a significant burden on health services and have one of the highest mortality rates of all psychological disorders [2]. Bulimia, defined by an overvaluation of weight, shape and the behavioral symptoms of recurrent binge eating accompanied by purging and fasting, is one of the most common ED [3], although until now, the prevalence of bulimia symptoms in the general population, especially outside the US, has been less well investigate
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