© 2006 Cambridge University Press
Socio-economic and psychological correlates of
suicidality among Hong Kong working-age
adults: results from a population-based survey
KA Y. LIU1,2* , ERIC Y. H. CHEN1,3 , CECILIA L. W. CHAN1,4, DOMINIC T. S. LEE1,5 ,
Y. W. LAW1 , YEATES CONWELL6
AND PAUL S. F. YIP1,7
HKJC Centre for Suicide Research and Prevention, University of Hong Kong, Hong Kong; 2 Nuffield College,
University of Oxford, Oxford, UK; 3 Department of Psychiatry, University of Hong Kong, Hong Kong;
4 Department of Social Work and Social Administration, University of Hong Kong, Hong Kong; 5 Department
of Psychiatry, Chinese University of Hong Kong, Hong Kong; 6 Center for the Study and Prevention of Suicide,
University of Rochester School of Medicine, Rochester, NY, USA; 7 Department of Statistics and Actuarial
Science, Departmnet of Psychiatry, University of Hong Kong, Hong Kong
ABSTRACT Background. The global toll of suicide is estimated to be one million lives per year, which exceeded
the number of deaths by homicide and war combined. A key step to suicide prevention is to prevent
less serious suicidal behaviour to preclude more lethal outcomes. Although 61% of the world’s
suicides take place in Asia and the suicide rates among middle age groups have been increasing since
the economic crisis in many Asian countries, population-based studies of suicidal behaviour among
working-age adults in non-western communities are scarce.
Method. Data from a population-based survey with 2015 participants were used to estimate the
prevalence of suicidal ideation and behaviour among the working-age population in Hong Kong,
and to study the associated socio-economic and psychological correlates. We focused particularly
on potential modulating factors between life-event-related factors and suicidal ideation.
Results. Six per cent of the Hong Kong population aged 20–59 years considered suicide in the past
year, while 1.4% attempted suicide. Hopelessness, reasons for living, and reluctance to seek help
from family and friends had direct association with past-year suicidal ideation. Reasons for living
were found to moderate the effect of perceived stress on suicidal ideation.
Conclusions. Suicidality is a multi-faceted problem that calls for a multi-sectored, multi-layered
approach to prevention. Prevention programmes can work on modulating factors such as reasons
for living to reduce suicidal risk in working-age adults.
Address for correspondence: Ka Y. Liu, HKJC Centre
for Suicide Research and Prevention, University of Hong Kong,
Hong Kong.
(Email: ka-yuet.liu@nuffield.ox.ac.uk)
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