Sauer H I, Schroeder W A, Allison D E
Geogr Perspect. 1979(43):1-9.
"Death rates from natural causes and from cardiovascular diseases, age 35-74, age-adjusted, by sex and race, by county and State Economic Area [of the United States] for 1968-1972 have been calculated...." The counties with extremely high or low death rates for white males are identified, and the reasons for the variations in mortality observed are considered
已计算出1968 - 1972年美国按县和州经济区划分、按性别和种族调整年龄后的35 - 74岁人群因自然原因和心血管疾病导致的死亡率……确定了白人男性死亡率极高或极低的县,并对观察到的死亡率差异原因进行了考量。