The Health and Productivity Burden of Depression in South Korea

Ella Zomer, YongJoo Rhee (), Danny Liew and Zanfina Ademi
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Ella Zomer: Monash University
YongJoo Rhee: Dongduk Women’s University
Danny Liew: Monash University
Zanfina Ademi: Monash University

Applied Health Economics and Health Policy, 2021, vol. 19, issue 6, No 13, 951 pages

Abstract: Abstract Objectives Major depression in South Korea, which remains under-diagnosed and under-treated, increases the risk of premature death, and reduces quality of life and work productivity. The aim of this study was to quantify the depression-related health and productivity loss in South Korea in terms of life-years lost and productivity-adjusted life-years (PALYs) lost. Method Age and sex-specific life table models simulated follow-up of South Koreans with depression aged 15 to 54 years, until 55 years. Depression was defined as major depression. Inputs were drawn from national datasets and published sources. Models were constructed for the cohort with depression and repeated assuming they had no depression. Differences in total deaths, years of life, and PALYs represented the impact of depression. PALYs were ascribed a financial value equivalent to total gross domestic product (GDP) divided by the number of equivalent full-time workers (KRW81,507,146 or USD74,748). All outcomes were discounted by 3% per annum. Results In 2019, there were more than 500,000 people aged 15–54 years with major depression in South Korea. We predicted that until this cohort reached age 55 years, and assuming 22.2% of people with depression are treated, depression led to 12,000 excess deaths, more than 55,000 discounted years of life lost and 1.6 million discounted PALYs lost, equating to KRW133 trillion (USD122 billion) in lost GDP. Applying treatment-related response and remission rates of 11.8% and 42.1%, respectively, and a non-response/non-remission rate of 46.1%, increased the total number of PALYs lost by almost 6.0%. Conclusions Our study highlights the considerable productivity loss attributable to depression among South Koreans over their working lifetime. Better prevention and treatment of depression is needed for long-term economic gains.

Date: 2021
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DOI: 10.1007/s40258-021-00649-1

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