Characteristics of the five Gini Quintiles participating in the NSEARC study using data from the 2000 US Census
| GINI Q1 (n=10) | GINI Q2 (n=10) | GINI Q3 (n=11) | GINI Q4 (n=11) | GINI Q5 (n=9) | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | Median | SD | Range | Mean | Median | SD | Range | Mean | Median | SD | Range | Mean | Median | SD | Range | Mean | Median | SD | Range | p Value | |
| Median income | 43 715 | 44 112 | 5327 | 37 462–50 865 | 45 307 | 46 391 | 5367 | 35 349–51 695 | 39 214 | 42 024 | 6386 | 29 052–47 462 | 38 683 | 37 186.0 | 6261 | 31 528–51 032 | 40 864 | 39 842 | 6339 | 30 219–50 360 | 0.06 |
| State population | 2.8 | 2.5 | 2.0 | 0.6–6.1 | 3.4 | 1.6 | 3.6 | 0.5–11.4 | 4.4 | 3.4 | 3.7 | 0.8–12.3 | 5.8 | 5.1 | 3.2 | 0.9–12.4 | 11.8 | 6.3 | 11.3 | 0.6–33.9 | <0.01 |
| Proportion African-American | 3.1 | 2.7 | 2.7 | 0.4–8.3 | 9.1 | 5.2 | 9.8 | 0.5–27.7 | 6.8 | 4.3 | 5.2 | 0.6–15.6 | 17.9 | 16.3 | 11.6 | 0.5–36.3 | 17.4 | 11.4 | 18.2 | 1.8–60.0 | <0.01 |
| Proportion in poverty | 9.0 | 8.3 | 1.8 | 7.4–13.3 | 9.9 | 9.9 | 1.6 | 7.3–12.7 | 11.6 | 10.2 | 2.6 | 9.3–15.8 | 12.9 | 13.2 | 2.2 | 8.1–16.0 | 14.3 | 14.7 | 3.9 | 7.6–19.3 | <0.01 |
Q1, first quintile; Q2; second quintile; Q3, third quintile; Q4, fourth quintile; Q5, fifth quintile.
*State population in million (United States Census, 2000).