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. 2014 Aug;63(4):340-3.
doi: 10.7727/wimj.2012.298. Epub 2014 Mar 17.

Discussion based on analysis of the suicide rate and the average disposable income per household in Japan

K Inoue  1 , Y Nishimura  2 , Y Okazazi  3 , T Fukunaga  4
Affiliations

Discussion based on analysis of the suicide rate and the average disposable income per household in Japan

K Inoue et al. West Indian Med J. 2014 Aug.

Abstract
in English, Spanish

Objective: Suicide is one of the major social issues in Japan. According to a report of the National Policy Agency, there were approximately 22 000 to 24 000 annual suicides between 1994 and 1997 and there have been over 30 000 annual suicides in Japan since 1998. For these reasons, we think it is important to discuss the economic factor related to suicides in recent years.

Method: In this study, we examined suicide rates and the average disposable income per household in Japan in the last 15 years (ie 1994-2008) and discuss the statistical analysis of the average disposable income per household and the associated suicide rates.

Results and discussion: During the research period, annual suicide rates per 100 000 population in Japan ranged from 16.9 to 25.5 among the total population, from 23.1 to 38.0 among men, and from 10.9 to 14.7 among women. The annual average disposable income per household (ten thousand yen) ranged from 424.0 to 549.9. The average disposable income per household was related to the suicide rate among the total population and among men. The average disposable income per household was not related to the suicide rate among women.

Conclusion: We believe that this discussion will be useful in developing specific suicide preventive measures.

Objetivo:: El suicidio es uno de los principales problemas sociales en Japón. Según un informe de la Agencia Nacional de Políticas, hubo aproximadamente de 22000 a 24000 suicidios anuales entre 1994 y 1997, y ha habido más de 30000 suicidios anuales en Japón desde 1998. Por estas razones, creemos que es importante analizar el factor económico relacionado con suicidios en los últimos años.

Método:: En este estudio, examinamos las tasas de suicidio y el ingreso disponible promedio por hogar en Japón en los últimos 15 años (es decir, 1994 – 2008), y discutimos el análisis estadístico del ingreso disponible promedio por hogar y las tasas de suicidio asociadas.

Resultados y discusión:: Durante el período de investigación, las tasas de suicidio anual por 100000 habitantes en Japón, se extendieron de 16.9 a 25.5 entre la población total, de 23.1 a 38.0 entre los hombres y de 10.9 a 14.7 entre las mujeres. El ingreso disponible promedio anual por hogar (10 mil yenes) varió de 424.0 a 549.9. El ingreso disponible promedio por hogar guardó relación con la tasa de suicidio entre la población total y entre los hombres. El ingreso disponible promedio por hogar no estuvo relacionado con la tasa de suicidio entre las mujeres.

Conclusión:: Creemos que esta discusión será útil en el desarrollo de medidas preventivas específicas contra el suicidio.

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Figures

Fig. 1
Fig. 1. The annual rate of suicides in Japan from 1994 to 2008.
Fig. 2
Fig. 2. The annual average disposable income per household in Japan from 1994 to 2008.
See this image and copyright information in PMC

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