Your stock portfolio might affect your mental health

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A new study published in the journal Health Policy and Planning links stock prices and mental disorder hospitalizations. Researchers assessed the relationship between stock price movements and mental disorders in Taiwan over a period of 4,000 days between 1998 and 2009. A 1,000 point fall in the Taiwan Stock Exchange Capitalization Weighted Stock Index (TAIEX) coincided with a 4.71 percent daily increase in hospitalizations for mental disorders.

Downward daily changes in stock price index coincided with these increased hospitalizations throughout the 4,000-day span. On average, when stocks dropped one percent, there was a 0.36 percent increase in hospitalizations for mental disorders on that day while consecutive days of falling prices continued the trend at 0.32 percent. Five days of consecutive stock falls meant 1.6 percent increases in hospitalizations on the fifth day.

The affects were significant for both genders, but with greater impact on men's health when sustained (consecutive) rather than spanning only one day. Age group was also a factor, likely due to the likelihood of investment the older the person's age, with significant affects being found in persons aged 35-54.

Research was led by Dr. Chung-Liang at Dong Hwa University and Dr. Chin-Shyan Chen and Dr. Tsai-Ching Liu at Taipei University.

 
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