Across the 10 westerly and 6 easterly states of Germany, better-than-average school-end grades, taken as a proxy for intelligence, corresponded to higher regional suicide rates. This finding adds to similar evidence from other countries (Austria, Belarus, British Isles, Denmark, Netherlands, and USA), suggestive of positive ecologic (group-level) associations between indicators for cognitive ability and suicide prevalence, whilst offsetting prior inconclusive evidence for Germany from Voracek (2006) on the same question.
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