TY - JOUR A1 - Görgülü, Esra A1 - Bieber, Miriam A1 - Engeroff, Tobias A1 - Zabel, Kirsten A1 - Etyemez, Semra A1 - Prvulovic, David A1 - Reif, Andreas A1 - Oertel-Knöchel, Viola T1 - Physical activity, physical self-perception and depression symptoms in patients with major depressive disorder: a mediation analysis T2 - European archives of psychiatry and clinical neuroscience N2 - Physical inactivity is discussed as one of the most detrimental influences for lifestyle-related medical complications such as obesity, heart disease, hypertension, diabetes and premature mortality in in- and outpatients with major depressive disorder (MDD). In contrast, intervention studies indicate that moderate-to-vigorous-intensity physical activity (MVPA) might reduce complications and depression symptoms itself. Self-reported data on depression [Beck-Depression-Inventory-II (BDI-II)], general habitual well-being (FAHW), self-esteem and physical self-perception (FAHW, MSWS) were administrated in a cross-sectional study with 76 in- and outpatients with MDD. MVPA was documented using ActiGraph wGT3X + ® accelerometers and fitness was measured using cardiopulmonary exercise testing (CPET). Subgroups were built according to activity level (low PA defined as MVPA < 30 min/day, moderate PA defined as MVPA 30–45 min/day, high PA defined as MVPA > 45 min/day). Statistical analysis was performed using a Mann–Whitney U and Kruskal–Wallis test, Spearman correlation and mediation analysis. BDI-II scores and MVPA values of in- and outpatients were comparable, but fitness differed between the two groups. Analysis of the outpatient group showed a negative correlation between BDI-II and MVPA. No association of inpatient MVPA and psychopathology was found. General habitual well-being and self-esteem mediated the relationship between outpatient MVPA and BDI-II. The level of depression determined by the BDI-II score was significantly higher in the outpatient low- and moderate PA subgroups compared to outpatients with high PA. Fitness showed no association to depression symptoms or well-being. To ameliorate depressive symptoms of MDD outpatients, intervention strategies should promote habitual MVPA and exercise exceeding the duration recommended for general health (≥ 30 min/day). Further studies need to investigate sufficient MVPA strategies to impact MDD symptoms in inpatient settings. Exercise effects seem to be driven by changes of well-being rather than increased physical fitness. KW - Physical activity KW - MVPA KW - Physical self-perception KW - Self-esteem KW - Major depressive disorder Y1 - 2021 UR - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/63574 UR - https://nbn-resolving.org/urn:nbn:de:hebis:30:3-635747 SN - 1433-8491 N1 - Open Access funding enabled and organized by Projekt DEAL. VL - 271 SP - 1205 EP - 1215 PB - Steinkopff; Springer CY - Darmstadt; Berlin; Heidelberg ER -