Table 2.
Average low-weight birth incidence, 1999–2001
Simple regressions: low-weight birth incidence average 1999–2001 = dependent variable | ||||
Independent variable | R2 (adjusted) | P | F ratio | Pos/Neg |
Percent population 1970–1980 | 0.1307 | 0.0282 | 5.36 | Neg |
Percent difference population 1970–1990 | 0.1549 | 0.018 | 6.31 | Neg |
1999% on public assistance | 0.3422 | 0.0004 | 16.09 | Pos |
black segregation | 0.8027 | <0.0001 | 118.99 | Pos |
murders per 100,000 (2000) | 0.5822 | <0.0001 | 41.41 | Pos |
unemployed persons/pop 16–64 years | 0.4523 | <0.0001 | 24.95 | Pos |
Independent variable = percent population difference 1970–1980 | ||||
Dependent variable | ||||
murders/100,000 (2000) | 0.3081 | 0.0009 | 13.91 | neg |
black segregation | 0.11 | 0.0411 | 4.58 | neg |
unemployed persons/pop 16–64 years | 0.4275 | 0.0001 | 22.66 | neg |
In multivariate stepwise regression with LOB average 1999–2001 as dependent variable, Black segregation was the sole independent variable. | ||||
Backwards stepwise regression with black segregation removed and LOB as dependent variable: | ||||
R2 (adjusted) | P | F ratio | ||
Murder rate2000 and% with public assist1999 | 0.5679 | <0.0001 | 25.2 | |
LOB1999–2001 = 6.413 + 0.055(murderrate2000)-0.0147(%publicassist1999) | ||||
Murder rate1990 and percent with public assistance 1989: | 0.5231 | <0.0001 | 16.96 | |
LOB 1999–2001 = 7.19 + 0.109(murder rate1990) − 0.167 (percent public assistance 1989) |