Resilience to mental disorders in a low-income, non-Westernized setting

Publication Abstract

Scott, Kate M., Yang Zhang, Stephanie A. Chardoul, Dirgha J. Ghimire, Jordan W. Smoller, and William G. Axinn. Forthcoming. "Resilience to mental disorders in a low-income, non-Westernized setting." Psychological Medicine.

Background

Cross-national studies have found, unexpectedly, that mental disorder prevalence is higher in high-income relative to low-income countries, but few rigorous studies have been conducted in very low-income countries. This study assessed mental disorders in Nepal, employing unique methodological features designed to maximize disorder detection and reporting.

Methods

In 2016-2018, 10714 respondents aged 15-59 were interviewed as part of an ongoing panel study, with a response rate of 93%. The World Mental Health version of the Composite International Diagnostic Interview (WMH-CIDI 3.0) measured lifetime and 12-month prevalence of selected anxiety, mood, alcohol use, and impulse control disorders. Lifetime recall was enhanced using a life history calendar.

Results

Lifetime prevalence ranged from 0.3% (95% CI 0.2-0.4) for bipolar disorder to 15.1% (95% CI 14.4-15.7) for major depressive disorder. The 12-month prevalences were low, ranging from 0.2% for panic disorder (95% CI 0.1-0.3) and bipolar disorder (95% CI 0.1-0.2) to 2.7% for depression (95% CI 2.4-3.0). Lifetime disorders were higher among those with less education and in the low-caste ethnic group. Gender differences were pronounced.

Conclusions

Although cultural effects on reporting cannot be ruled out, these low 12-month prevalences are consistent with reduced prevalence of mental disorders in other low-income countries. Identification of sociocultural factors that mediate the lower prevalence of mental disorders in low-income, non-Westernized settings may have implications for understanding disorder etiology and for clinical or policy interventions aimed at facilitating resilience.

10.1017/S0033291720001464

Keywords:
Social Psychology

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