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Int. J. Environ. Res. Public Health 2017, 14(6), 623;

Stock Market Fluctuations and Self-Harm among Children and Adolescents in Hong Kong

Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
Author to whom correspondence should be addressed.
Academic Editor: Matt DeLisi
Received: 31 March 2017 / Revised: 22 May 2017 / Accepted: 31 May 2017 / Published: 9 June 2017
(This article belongs to the Special Issue Youth Psychology and Crime)
PDF [310 KB, uploaded 9 June 2017]


Although a few studies investigated the impact of stock market fluctuations on population health, the question of whether stock market fluctuations have an impact on self-harm in children and adolescents remain unanswered. This study therefore investigated the association between stock market fluctuations and self-harm among children and adolescents in Hong Kong. Daily self-harm attendance records were retrieved from all 18 local Accident and Emergency Departments (AED) from 2001 to 2012. 4931 children and adolescents who committed self-harm were included. The results indicated positive correlation between daily change in stock market index, Hang Seng Index (∇HSI, per 300 points), and daily self-harm incident risk of children and adolescents, without time lag between the two. The incident risk ratio for ∇HSI was 1.09 (p = 0.0339) in children and 1.06 (p = 0.0246) in adolescents. Importantly, non-trading days were found to impose significant protective effect in both groups against self-harm risk. Our results showed that stock market fluctuations were related to self-harm behaviors in children and adolescents. Parents and professionals should be educated about the potential harm of stock market fluctuations and the importance of effective parenting in reducing self-harm among children and adolescents. View Full-Text
Keywords: self-harm; stock market; Hong Kong children self-harm; stock market; Hong Kong children
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Wong, W.H.-S.; Lee, J.C.-Y.; Ho, F.K.-W.; Li, T.M.-H.; Ip, P.; Chow, C.-B. Stock Market Fluctuations and Self-Harm among Children and Adolescents in Hong Kong. Int. J. Environ. Res. Public Health 2017, 14, 623.

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