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Socioeconomic disadvantage, mental disorders and risk of 12-month suicide ideation and attempt in the National Comorbidity Survey Replication (NCS-R) in US

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Abstract

Purpose

We aim to explore the distinctive interrelationships between family income and mental disorders on suicidality in recent 12 months.

Methods

A stratified random subsample of adults in a household survey in US, National Comorbidity Survey Replication, was used for analyses. The ratio of family income to poverty threshold (RoFIPT) per capita was the primary predictor of interest to 12-month occurrence of suicide ideation and attempt. Effect modification by mental disorders was further explored.

Results

A total of 4,724 subjects were analyzed. Inverse associations were found with RoFIPT for both suicidal outcomes after confounding control. Furthermore, effect modification was revealed that RoFIPT was more strongly associated with suicide ideation for those with mental disorders (OR 0.87; 95 % CI 0.79, 0.95).

Conclusions

An inverse gradient of RoFIPT was shown with suicide ideation and attempt. Moreover, having mental disorders was found to be an effect modifier for the relationships between family income and suicidality.

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Authors and Affiliations

  1. Department of Psychiatry, Far Eastern Memorial Hospital, Taipei, Taiwan

    Yi-Ju Pan

  2. Section of Epidemiology (Box 92), Department of Health Service and Population Research, Institute of Psychiatry, King’s College London, De Crespigny Park, London, SE5 8AF, UK

    Robert Stewart & Chin-Kuo Chang

  3. Centre for the Economics of Mental and Physical Health, Department of Health Service and Population Research, Institute of Psychiatry, King’s College London, De Crespigny Park, London, SE5 8AF, UK

    Yi-Ju Pan

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  1. Yi-Ju Pan
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Correspondence to Chin-Kuo Chang.

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Pan, YJ., Stewart, R. & Chang, CK. Socioeconomic disadvantage, mental disorders and risk of 12-month suicide ideation and attempt in the National Comorbidity Survey Replication (NCS-R) in US. Soc Psychiatry Psychiatr Epidemiol 48, 71–79 (2013). https://doi.org/10.1007/s00127-012-0591-9

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  • DOI: https://doi.org/10.1007/s00127-012-0591-9

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