Neighborhood characteristics as per census tract
| . | Sickle genotype . | P value . | ||
|---|---|---|---|---|
| All (N = 435) . | HbSS/SB0thalassemia (n = 259) . | HbSC/SB+thalassemia/other (n = 176) . | ||
| General characteristics of a census tract | ||||
| Mean % of population below poverty rate (SD)∗ | 29.04 (14.15) | 29 (13.56) | 29.09 (14.99) | .97 |
| Mean % of unemployed population (SD)∗ | 14.61 (7.04) | 14.36 (6.77) | 14.96 (7.4) | .39 |
| Mean median household income ($) (SD)∗ | 37 418 (19 393) | 36 648 (17 697) | 38 494 (21 559) | .88 |
| Mean % received food and nutrition services (SD)∗ | 30.83 (14.29) | 31.25 (13.64) | 30.24 (15.17) | .59 |
| Distance to the nearest supermarket (miles)∗ | 2.84 (1.53) | 2.85 (1.54) | 2.81 (1.53) | .57 |
| Total housing units without a vehicle (SD) | 196.98 (160.22) | 206.1 (161.13) | 183.56 (158.36) | .12 |
| Educational attainment | ||||
| Mean % of individuals with a bachelor’s degree† | 11.72 (7.94) | 11.13 (7.37) | 12.56 (8.64) | .16 |
| Individuals with bachelor’s degree, n (%) | .63 | |||
| <10% in a census tract | 174 (49) | 106 (52) | 68 (46) | |
| ≥10%-20% | 136 (39) | 79 (38) | 57 (40) | |
| ≥20%-30% | 22 (6) | 11 (5) | 11 (7) | |
| ≥30% | 22 (6) | 11 (5) | 11 (7) | |
| Transportation and food access | ||||
| Mean % of households without a vehicle and living >0.5 miles from a supermarket | 0.09 (0.08) | 0.09 (0.08) | 0.08 (0.09) | .24 |
| % of households without a vehicle and living >0.5 miles from a supermarket, n (%) | .27 | |||
| <10% in a census tract | 280 (65) | 160 (62) | 120 (68) | |
| ≥10%-20% | 123 (28) | 82 (32) | 41 (23) | |
| ≥20%-30% | 19 (4) | 10 (4) | 9 (5) | |
| ≥30% | 13 (3) | 7 (2) | 6 (4) | |
| Mean % of households with children living >1.0 miles from a supermarket | 0.1 (0.11) | 0.1 (0.11) | 0.09 (0.1) | .51 |
| % of households with children living >1.0 miles from a supermarket, n (%) | .37 | |||
| <10% in a census tract | 251 (58) | 147 (57) | 104 (59) | |
| ≥10%-20% | 90 (21) | 52 (20) | 38 (22) | |
| ≥20%-30% | 71 (16) | 44 (17) | 27 (15) | |
| ≥30% | 23 (5) | 16 (6) | 7 (4) | |
| Health and safety | ||||
| Mean distance to the nearest hospital (miles) (SD)∗ | 2.86 (1.4) | 2.76 (1.39) | 3.01 (1.41) | .07 |
| . | Sickle genotype . | P value . | ||
|---|---|---|---|---|
| All (N = 435) . | HbSS/SB0thalassemia (n = 259) . | HbSC/SB+thalassemia/other (n = 176) . | ||
| General characteristics of a census tract | ||||
| Mean % of population below poverty rate (SD)∗ | 29.04 (14.15) | 29 (13.56) | 29.09 (14.99) | .97 |
| Mean % of unemployed population (SD)∗ | 14.61 (7.04) | 14.36 (6.77) | 14.96 (7.4) | .39 |
| Mean median household income ($) (SD)∗ | 37 418 (19 393) | 36 648 (17 697) | 38 494 (21 559) | .88 |
| Mean % received food and nutrition services (SD)∗ | 30.83 (14.29) | 31.25 (13.64) | 30.24 (15.17) | .59 |
| Distance to the nearest supermarket (miles)∗ | 2.84 (1.53) | 2.85 (1.54) | 2.81 (1.53) | .57 |
| Total housing units without a vehicle (SD) | 196.98 (160.22) | 206.1 (161.13) | 183.56 (158.36) | .12 |
| Educational attainment | ||||
| Mean % of individuals with a bachelor’s degree† | 11.72 (7.94) | 11.13 (7.37) | 12.56 (8.64) | .16 |
| Individuals with bachelor’s degree, n (%) | .63 | |||
| <10% in a census tract | 174 (49) | 106 (52) | 68 (46) | |
| ≥10%-20% | 136 (39) | 79 (38) | 57 (40) | |
| ≥20%-30% | 22 (6) | 11 (5) | 11 (7) | |
| ≥30% | 22 (6) | 11 (5) | 11 (7) | |
| Transportation and food access | ||||
| Mean % of households without a vehicle and living >0.5 miles from a supermarket | 0.09 (0.08) | 0.09 (0.08) | 0.08 (0.09) | .24 |
| % of households without a vehicle and living >0.5 miles from a supermarket, n (%) | .27 | |||
| <10% in a census tract | 280 (65) | 160 (62) | 120 (68) | |
| ≥10%-20% | 123 (28) | 82 (32) | 41 (23) | |
| ≥20%-30% | 19 (4) | 10 (4) | 9 (5) | |
| ≥30% | 13 (3) | 7 (2) | 6 (4) | |
| Mean % of households with children living >1.0 miles from a supermarket | 0.1 (0.11) | 0.1 (0.11) | 0.09 (0.1) | .51 |
| % of households with children living >1.0 miles from a supermarket, n (%) | .37 | |||
| <10% in a census tract | 251 (58) | 147 (57) | 104 (59) | |
| ≥10%-20% | 90 (21) | 52 (20) | 38 (22) | |
| ≥20%-30% | 71 (16) | 44 (17) | 27 (15) | |
| ≥30% | 23 (5) | 16 (6) | 7 (4) | |
| Health and safety | ||||
| Mean distance to the nearest hospital (miles) (SD)∗ | 2.86 (1.4) | 2.76 (1.39) | 3.01 (1.41) | .07 |