Table 3.
Region | N (Counties) | Mean | SD |
---|---|---|---|
Southwest | 40 | 9.5 a | 1.1 |
West | 35 | 9.8 a | 1.2 |
Northeast | 34 | 10.5 a,b | 1.2 |
Midwest | 61 | 10.6 b,c | 1.2 |
Southeast | 106 | 11.7 d | 1.4 |
ANOVA F = 26.15, df = 4271, p < 0.00001. a,b,c,d Mean values with different superscripts are statistically significant different at p < 0.01 (Scheffe Test).