Table 1.
Population Weighted Sociodemographic and Economic Variables for All 77 Chicago Community Areas by Time Period
| Variable | Time period | P value for trend | ||
|---|---|---|---|---|
| 2000–2004 | 2005–2009 | 2010–2014 | ||
| Population, median [IQR] | 32 275.0 (18 165, 52 723) | 31 028 (18 109, 48 743) | 29 021 (19 342, 45 271) | <0.0001 |
| Proportion of residents in following subgroups: | ||||
| Non‐Hispanic Black, median [IQR] | 17.0 (3.0, 85.5) | 11.5 (4.0, 72.0) | 8.9 (3.2, 47.5) | <0.0001 |
| Hispanic (any race or ethnicity), median [IQR] | 16.5 (4.1, 46.9) | 16.6 (5.2, 50.6) | 18.4 (5.9, 47.5) | 0.02 |
| Other race‡, median [IQR] | 3.4 (1.3, 7.4) | 3.6 (1.3, 9.4) | 5.9 (1.9, 12.4) | <0.0001 |
| Unemployment rate, median [IQR] | 8.3 (6.0, 15.7) | 10.6 (7.6, 16.7) | 7.7 (4.3, 13.6) | 0.0001 |
| Vacant housing rate, median [IQR] | 6.8 (4.3, 10.1) | 12.1 (8.9, 17.7) | 10.4 (8.6, 14.5) | <0.0001 |
| Median household income, median [IQR]* | 34 639.85 (30 704.00, 42 861.15) | 41 528.22 (330 393.76, 58 985.61) | 38 397.86 (25 649.14, 55 746.42) | <0.0001 |
| Less than high school education rate, median [IQR] | 28.0 (21.2, 39.5) | 18.7 (13.2, 30.3) | 14.4 (8.0, 21.4) | <0.0001 |
| Total crime rate† | 12 662.7 (9618.2, 23 032.9) | 11299.5 (8622.7, 23 965.0) | 8276.9 (6371.0, 16 620.6) | <0.0001 |
| Violent crime rate† | 3501.1 (2164.1, 7650.4) | 2952.7 (1998.0, 6573.7) | 2159.4 (1411.9, 4975.1) | <0.0001 |
IQR indicates interquartile range.
*
Inflation adjusted to year 2000.
†
Crime rate is per 100 000.
‡
Other race includes Asian, American Indian or Alaska Native, Native Hawaiian and Other Pacific Islander, 2 or more races, or some other race.