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Open Access Research article

Parental bonding and personality characteristics of first episode intention to suicide or deliberate self-harm without a history of mental disorders

Ya-Fen Hsu12, Po-Fei Chen3 and For-Wey Lung45*

Author Affiliations

1 Department of Psychiatry, Kaohsiung Armed Forces General Hospital, Kaohsiung, Taiwan

2 Department of Internal Medicine, Kaohsiung Armed Forces General Hospital, Kaohsiung, Taiwan

3 Calo Psychiatric Center, Pingtung County, Taiwan

4 Taipei City Psychiatric Center, Taipei City Hospital, No.309, Songde Rd., Xinyi Dist., Taipei City 11080, Taiwan

5 Department of Psychiatry, National Defense Medical Center, Taipei, Taiwan

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BMC Public Health 2013, 13:421  doi:10.1186/1471-2458-13-421

Published: 1 May 2013

Abstract

Background

There is substantial overlap between deliberate self-harm (DSH) and intention to suicide (ITS), although the psychopathologies and motivations behind these behaviors are distinctly different. The purpose of this study was to investigate (i) the pathway relationship among parental bonding, personality characteristics, and alexithymic traits, and (ii) the association of these features with ITS and DSH using structural equation modeling to determine the risks and protective factors for these behaviors.

Methods

Sixty-nine first-time DSH and 36 first-time ITS patients without medical or psychiatric illnesses, and 66 controls were recruited. The Parental Bonding Inventory (PBI), Eysenck Personality Questionnaire (EPQ), 20-item Toronto Alexithymia Scale (TAS-20), and the Chinese Health Questionnaire (CHQ) were filled out by the participants.

Results

Our structural equation models showed that parental bonding had the greatest influence on the development of DSH behavior in patients. On the other hand, participants who were younger, less extraverted, with a greater extent of the alexithymic trait of difficulty identifying feeling (DIF), and a worse mental health condition, were more likely to develop ITS behavior. Males were more likely than females to develop the alexithymic trait of DIF.

Conclusions

Although there are many covariates that affect both ITS and DSH behaviors, these covariates may have different functions in the development of these behaviors, thus revealing the psychopathological difference between DSH and ITS. Policymakers should consider these differences and build intervention and prevention programs for gender- and age-specific high-risk groups to target the differences, with a focus on family counseling to treat DSH and a focus on attempting to increase emotional awareness to treat ITS.

Keywords:
Intention to suicide; Deliberate self-harm; Community; Parental bonding; Alexithymic trait; Structural equation modeling