Table 1 shows that the block groups in the highest decile for organ donor designation had significantly lower mean values for the percentages of the population under 18 and those 65 and older; the percentage of families below the poverty line; the percentage of minorities; and religiosity. Conversely, organ donor designation was positively and significantly correlated with population density, and percentage with a graduate degree. Age < 18 0.094, Age > 64 0.142, Population density 0.001, Families below poverty line 0.012, Members of religion 0.200, With graduate degree 0.194, Minority 0.087. What are the regression coefficients and which are significant