Table 3.
Summary statistics of demographic and health characteristics for the five clusters
| Cluster 1 | Cluster 2 | Cluster 3 | Cluster 4 | Cluster 5 | |
|---|---|---|---|---|---|
| No. of census tracts | 326 | 410 | 1 | 38 | 47 |
| Variable | Median (IQR) | Median (IQR) | Median (IQR) | Median (IQR) | Median (IQR) |
| Median Age | 33.4 (7.28) | 41.5 (9.3) | 33.7 ( -) | 41.6 (9.1) | 39.1 (6.2) |
| Percent Male | 47.5 (6.3) | 48.3 (4.5) | 51.4 ( -) | 47.9 (2.3) | 48.1 (4.8) |
| Percent African American | 45.4 (73.2) | 4.7 (16.3) | 1.5 ( -) | 4.4 (8.9) | 14.6 (35.2) |
| Percent Asian | 3.3 (8) | 0.5 (2.1) | 0.5 ( -) | 1.2 (1.9) | 1.4 (4.6) |
| Percent Hispanic | 4.8 (6.4) | 1.3 (2) | 3.2 ( -) | 4.5 (8.9) | 7.6 (8.4) |
| Per Capita Income (per 1000 USD) | 18.8 (14.5) | 26.3 (12.4) | 16.5 ( -) | 21.7 (6.8) | 26.4 (11.0) |
| Median Household Income (per 1000 USD) | 35.0 (27.9) | 45.8 (24.7) | 32.1 ( -) | 38.7 (17.0) | 50.6 (21.8) |
| Percent Poverty | 28 (24.8) | 14.2 (16.6) | 29.3 ( -) | 20.6 (14.2) | 11.7 (16.3) |
| Percent High School Graduate or less | 54.8 (28.5) | 47.3 (21.5) | 64.4 ( -) | 55 (10.6) | 47 (18.9) |
| Percent High School Graduate or higher | 84 (6.1) | 92.0 (7.2) | 86.7 ( -) | 89 (6.5) | 89.9 (7.4) |
| Percent Bachelor’s Degree or higher | 17.7 (31.3) | 24.4 (22.7) | 9.5 ( -) | 17.8 (7.0) | 22.3 (17.3) |
| Percent Graduate Degree | 5.8 (14.5) | 8 (9.9) | 3.6 ( -) | 6 (4.1) | 6.9 (7.6) |
| Total Population | 3745 (2067) | 2814 (1998) | 3616 ( -) | 2500 (1504) | 3833 (1836) |
| Population Density (per sq. mile) | 17,785.9 (15,192.9) | 3690.4 (5030.7) | 4417.3 ( -) | 4867.6 (4365.2) | 3141.0 (4998.5) |
| Percent of poor mental health | 18.1 (6.7) | 14.8 (3.8) | 19.3 | 16.9 (3.1) | 15.4 (2.9) |
| Percent of poor physical health | 14.2 (7.5) | 13.2 (4.3) | 15.4 | 2.8 (2.8) | 12.7 (3.2) |
Note that Cluster 3 only has 1 census tract so no IQR can be calculated that is the measurement of difference between the third and the first quartiles