Year: 1980 Source: Perceptual & Motor Skills, v.51, no.3, (December 23 1980), p.1346 SIEC No: 19850673

A variation in suicide rates by longitude in the U.S. by state was found for all age groups and both sexes. A variation in homicide rates by latitude was found for both sexes and for all ages except 0-14 years (3 references).