Physical activity and psychopathology in anorexia nervosa and bulimia nervosa.

Postma, M. (Marijke) (2009) Physical activity and psychopathology in anorexia nervosa and bulimia nervosa. thesis, Human Movement Sciences.

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Abstract

Background: Excessive physical activity plays a complex role in the development and maintenance of Anorexia Nervosa (AN) and Bulimia Nervosa (BN). Objective: To objectively quantify and examine physical activity in AN and BN patients and to examine the association between physical activity and the psychopathological features obsessivecompulsiveness, anxiety, depression, weight preoccupation and body attitude in AN and BN patients. Method: Twenty-six female AN patients and thirteen female BN patients, admitted to an inpatient treatment unit, wore an RT3 accelerometer during seven days and completed questionnaires about physical activity (SQUASH) and psychopathological features (SCL-90-R, BDI, EDI and BAT). Results: There was no significant difference in physical activity between AN and BN patients (p=O.ll) and the ICC between the seven days was 0.65 (95%CI=0.50-0.79) in AN and 0.85 (95%CI=0.73-0.94) in BN. Physical activity, measured with the accelerometer, was positively correlated with depression in AN patients (r=0.45; p=0.03; (3=0.67), but negatively in BN patients (r=-0.60; p=0.03; (3=0.68). Physical activity before admission to the inpatient unit, measured with the SQUASH, was significantly correlated with anxiety (r=0.60; p=O.Ol; ~=0.95) and depression (r=0.47; p=0.04; ~=0 . 74) in AN. Conclusion: There are no differences in physical activity on the inpatient unit between AN and BN patients, but the association between physical activity and depression is different in AN and BN. Also, there is an association between physical activity before admission to the inpatient unit and anxiety and depression in AN.

Item Type:	Thesis (Thesis)
Supervisor name:	Greef, Dr. M.H.G. de and Probst, Prof. M.
Faculty:	Medical Sciences
Date Deposited:	25 Jun 2020 10:52
Last Modified:	25 Jun 2020 10:52
URI:	https://umcg.studenttheses.ub.rug.nl/id/eprint/1259

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