Table 1. Baseline Characteristics Demonstrating Balance Across Study Groupsa.
| Characteristic | No. (%) | ||
|---|---|---|---|
| Greening Intervention | Trash Cleanup Intervention | No Intervention Control | |
| Vacant lot clusters | |||
| No. | 37 | 36 | 37 |
| Resident population, mean (SD), No. | 287.8 (117.5) | 297.0 (124.6) | 284.9 (130.5) |
| Serious crimes, mean (SD), No.b | 16.5 (6.4) | 18.3 (9.6) | 17.1 (8.4) |
| Total eligible vacant lots, mean (SD), No. | 38.3 (25.2) | 43.1 (28.4) | 38.1 (31.1) |
| Prior treated lots, mean (SD), No. | 6.7 (9.5) | 5.3 (9.7) | 5.6 (14.1) |
| Total study lots, No. | 206 | 174 | 161 |
| Study lots per cluster, mean, No. | 5.4 | 4.8 | 4.5 |
| Study lots total area, mean (SD), sq ft | 4844 (970.2) | 4935 (991.6) | 4872 (1375.7) |
| Study lots separation, mean (SD), ft | 75.6 (85.5) | 71.3 (77.3) | 73.5 (70.2) |
| Participants | |||
| No. | 149 | 145 | 148 |
| Age, mean (SD), y | 43.3 (14.9) | 44.2 (15.7) | 45.3 (14.8) |
| Tenure in home, mean (SD), y | 12.0 (14.1) | 13.7 (15.8) | 12.5 (14.4) |
| Sex | |||
| Male | 57 (38.3) | 54 (37.2) | 67 (45.3) |
| Female | 92 (61.7) | 91 (62.8) | 81 (54.7) |
| Race/ethnicity | |||
| White | 12 (8.0) | 14 (9.7) | 21 (14.2) |
| Black | 118 (79.2) | 117 (80.7) | 102 (68.9) |
| Other | 20 (13.4) | 15 (10.7) | 23 (15.2) |
| Hispanic | 14 (9.4) | 12 (8.3) | 17 (11.5) |
| Education | |||
| Less than high school | 34 (22.8) | 44 (30.3) | 31 (20.9) |
| High school | 71 (47.7) | 64 (44.1) | 72 (48.7) |
| Any college | 42 (28.2) | 36 (24.8) | 44 (29.7) |
| Employment status | |||
| Employed | 95 (63.8) | 99 (68.3) | 104 (70.3) |
| Unemployed | 54 (36.2) | 46 (31.7) | 44 (29.7) |
| Family income, $ | |||
| <10 000 | 35 (23.5) | 36 (24.8) | 38 (25.7) |
| 10 000 to <25 000 | 26 (17.5) | 32 (22.1) | 27 (18.2) |
| 25 000 to <50 000 | 27 (18.1) | 19 (13.1) | 18 (12.2) |
| >50 000 | 8 (5.4) | 8 (5.5) | 16 (10.8) |
a
Percentages may not total 100% because of nonresponse on specific variables.
b
Serious crimes include part I violent and property crimes.