Depressive symptoms and weight change in inpatients with anorexia nervosa: A cross-lagged panel model

Meule, Adrian and Kolar, David R. and Gaertner, Thomas and Osen, Bernhard and Rauh, Elisabeth and Naab, Silke and Voderholzer, Ulrich (2023) Depressive symptoms and weight change in inpatients with anorexia nervosa: A cross-lagged panel model. JOURNAL OF PSYCHOSOMATIC RESEARCH, 172: 111391. ISSN 0022-3999, 1879-1360

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Abstract

Objective: Anorexia nervosa (AN) is marked by a high rate of comorbid depression, which raises the question whether depressive symptoms may adversely affect treatment outcome. Thus, we examined whether depressive symptoms at admission would predict weight change from admission to discharge in a large sample of inpatients with AN. In addition, we also explored the reverse direction, that is, whether body mass index (BMI) at admission would predict changes in depressive symptoms. Methods: A sample of 3011 adolescents and adults with AN (4% male) who received inpatient treatment at four Schoen Clinics was analyzed. Depressive symptoms were measured with the Patient Health Questionnaire-9. Results: BMI significantly increased and depressive symptoms significantly decreased from admission to discharge. BMI and depressive symptoms were unrelated at admission and discharge. Higher BMI at admission predicted smaller decreases in depressive symptoms and higher depressive symptoms at admission predicted larger weight gain. The latter effect, however, was mediated by longer length of stay. Conclusion: Results indicate that depressive symptoms do not adversely affect weight gain during inpatient treatment in persons with AN. Instead, higher BMI at admission is predictive of smaller improvements in depressive symptoms but this effect seems to be negligible in terms of clinical relevance.

Item Type: Article
Uncontrolled Keywords: EATING-DISORDERS; GAIN; ADULTS; PHQ-9; Depression; Weight gain; Anorexia nervosa; Inpatient treatment; Body mass index
Subjects: 100 Philosophy & psychology > 150 Psychology
Divisions: Human Sciences > Institut für Psychologie
Depositing User: Dr. Gernot Deinzer
Date Deposited: 31 Jan 2024 12:41
Last Modified: 31 Jan 2024 12:41
URI: https://pred.uni-regensburg.de/id/eprint/60418

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