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Abstract Objective This study investigated whether depression and anxiety are associated with executive functioning (EF) performance among South Asians living in the United States (US). Further, we explored whether age moderated this relationship. Method This retrospective chart analysis study included 28 South Asians referred for a neuropsychological evaluation within multiple northeast US-based outpatient clinics. Participants completed the Beck Depression Inventory-2nd edition (BDI-II), Beck Anxiety Inventory (BAI), Stroop Color Word Test- Color-Word Trial (SCWT-CW), and Verbal Fluency (FAS). Participants were dichotomized by age threshold (age 50 cut-off). Logistic regression analysis was used to determine the moderating effect of age on mood and EF. Results The sample comprised 13 younger adults and 15 older adults (50+), with 60.7% male (Meducation = 16.0, SD = 2.3). Regression analysis indicated a significant overall model between age, BDI-II, and SCWT-CW (F(1,25) = 3.01, p 0.05, ΔR2 = 0.27). Further interaction analysis showed a stronger positive interaction effect between BDI-II and SCWT-CW (β = 5.39, F(1,24) = 4.91, p 0.05, ΔR2 = 0.15) in the younger adult group. Conclusions Findings suggest that South Asian older adults with lower levels of depression have worse performance on EF than younger adults. This is one of the first studies to identify links between age, mood, and EF. Interpretation is challenging given that the mean scores of depression and SCWT-CW were in the mild range. Future studies are needed to understand how factors, such as English speaking proficiency and acculturation, may moderate the association and impact clinical relevance.
Rafiuddin et al. (Thu,) studied this question.