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Percept Mot Skills. 2006 Apr;102(2):603-8.

Correlations for number of sunspots, unemployment rate, and suicide mortality in Japan.

Author information

  • 1Department of Health Promotion and Human Behavior, Graduate School of Public Health, Kyoto University, Japan. otsu-tky@umin.ac.jp

Abstract

We studied the correlations among sunspot numbers, business cycles, and suicide mortalitites. Based on data from Japan between 1971 and 2001, a significant negative correlation between sunspot numbers and unemployment rate was found, R= -.17. The correlation between suicide mortality and unemployment rate was positive for males (R=.46) and negative for females (R =-.69). Both are statistically significant. The hypothesis that variation of sun activity may affect the economy and the unemployment rate and hence increase the male suicide mortality is raised.

PMID:
16826682
DOI:
10.2466/pms.102.2.603-608
[PubMed - indexed for MEDLINE]
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