DClinPsy Portfolio Volume 1 of 3 - University of Hertfordshire ...

Discussion
Overview of the hypotheses
This study aimed to test the primary hypotheses that inflexibility in emotional processing
(from an ACT perspective, see Introduction) would be associated with disordered eating
in adolescent females. In addition the clinical variables of body image acceptance (from
an ACT perspective), depression and anxiety were also explored in relation to
inflexibility and eating disorder risk (EDR). Disordered eating was measured by
calculating the EDR from a composite score using the Eating Disorder Inventory -3
(EDI-3). The sample was divided into three groups of low, moderate and high EDR for
comparison purposes. In addition, Body Mass Index (BMI) groups (of underweight,
healthy weight and overweight) were compared in relation to inflexibility, body image
acceptance, depression and anxiety as well as EDR groups. Additional potential
contributing factors were also considered. The results and their relevance to theories and
treatments for EDs will be discussed following a brief look at the epidemiology of the
continuum of eating pathology.
Demographics of the sample and epidemiology of the spectrum of eating pathology
The prevalence of high eating disorder risk in this non-clinical sample was 11.5%. It is
difficult to compare prevalence rates across epidemiological studies as measures and
operationalisations of the concept of disordered eating/sub-clinical levels of Eating
Disorder (ED) vary. In an epidemiological study conducted in Canada, it was found that
23% of 12-18 year olds reported current unhealthy dieting to lose weight.
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