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Interrelationships between depression, exercise and subjective memory complaints
1Exercise & Memory Laboratory, Department of Health, Exercise Science and Recreation Management, School of Applied Sciences, The University of Mississippi, 229, Turner Center, University 38677, MS, USA.
Objective:
The objective of this study was to evaluate the interrelationships between habitual engagement in exercise, subjective memory complaints (SMC) and depression symptomology.
Methods:
A sample (N=192) of young adults (Mage=22 y; college students) completed a survey evaluating their current exercise (Physical Activity Vital Signs questionnaire), SMC (Prospective-Retrospective Memory Questionnaire), and depression levels (PHQ-9 questionnaire).
Results:
Physical activity was not associated with prospective (β=0.87, P=0.28) or retrospective (β=0.07, P=0.92) SMC. However, those with higher depression symptomology had worse prospective (β=-0.27, P<0.001) and retrospective (β=-0.25, P<0.001) SMC. Lastly, those meeting physical activity guidelines (vs. not) had lower depression symptomology (β=-1.91, P=0.02).
Conclusion:
This study provides suggestive evidence that, among young adults, higher levels of depression symptomology are associated with worse SMC. Further, habitual engagement in exercise was not directly associated with SMC, but may indirectly relate to SMC via its relationship with depression.
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