Table 2. Demographic Characteristics by Study Group and Site.
| Characteristic | Overall | Los Angeles | Rochester | West Palm Beach | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Participants, No. (%) | P value | Participants, No. (%) | P value | Participants, No. (%) | P value | Participants, No. (%) | P value | |||||
| SCS (n = 234) | P2P (n = 222) | SCS (n = 40) | P2P (n = 35) | SCS (n = 103) | P2P (n = 100) | SCS (n = 91) | P2P (n = 87) | |||||
| Sex | ||||||||||||
| Female | 185 (79.1) | 185 (83.3) | .30 | 27 (67.5) | 25 (71.4) | .91 | 87 (84.5) | 91 (91.0) | .23 | 71 (78.0) | 68 (79.3) | .98 |
| Male | 49 (20.9) | 37 (16.7) | 13 (32.5) | 10 (28.6) | 16 (15.5) | 9 (9.0) | 20 (22.0) | 19 (20.7) | ||||
| Race/ethnicity | ||||||||||||
| African American | 25 (10.7) | 24 (10.8) | .81 | 1 (2.5) | 1 (2.9) | .61 | 24 (23.3) | 23 (23.0) | .71 | 0 (0.0) | 0 (0.0) | >.99 |
| Asian | 2 (0.9) | 2 (0.9) | 1 (2.5) | 2 (5.7) | 1 (1.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | ||||
| Hispanic | 24 (10.3) | 21 (9.5) | 6 (15.0) | 2 (5.7) | 17 (16.5) | 18 (18.0) | 1 (1.1) | 1 (1.1) | ||||
| White | 183 (78.2) | 173 (77.9) | 32 (80.0) | 30 (85.7) | 61 (59.2) | 57 (57.0) | 90 (98.9) | 86 (98.9) | ||||
| Othera | 0 (0.0) | 2 (0.9) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 2 (2.0) | 0 (0.0) | 0 (0.0) | ||||
| Age, mean (SD) | 79.1 (8.7) | 80.4 (9.3) | .13 | 77.4 (8.3) | 81.0 (8.9) | .71 | 76.0 (8.1) | 76.8 (8.6) | .53 | 83.3 (7.9) | 84.3 (8.6) | .44 |
| Marital status | ||||||||||||
| Never married | 18 (7.9) | 24 (10.9) | .004 | 8 (20.5) | 4 (11.4) | .09 | 8 (8.1) | 13 (13.1) | .56 | 2 (2.2) | 7 (8.0) | .005 |
| Married | 51 (22.3) | 22 (10.0) | 7 (17.9) | 1 (2.9) | 17 (17.2) | 12 (12.1) | 27 (29.7) | 9 (10.3) | ||||
| Widowed | 100 (43.7) | 112 (50.7) | 12 (30.8) | 17 (48.6) | 42 (42.4) | 40 (40.4) | 46 (50.5) | 55 (63.2) | ||||
| Divorced or separated | 60 (26.2) | 63 (28.5) | 12 (30.8) | 13 (37.1) | 32 (32.3) | 34 (34.3) | 16 (17.6) | 16 (18.4) | ||||
| Lives alone | 162 (69.8) | 177 (79.7) | .02 | 30 (76.9) | 25 (71.4) | .78 | 70 (68.6) | 77 (77.0) | .24 | 62 (68.1) | 75 (86.2) | .007 |
| Household income, $ | ||||||||||||
| <10 000 | 20 (11.7) | 35 (21.3) | <.001 | 7 (21.2) | 5 (16.7) | .11 | 12 (13.0) | 22 (24.2) | .02 | 1 (2.2) | 8 (18.6) | .008 |
| 10 000-14 999 | 50 (29.2) | 61 (37.2) | 10 (30.3) | 18 (60.0) | 32 (34.8) | 34 (37.4) | 8 (17.4) | 9 (20.9) | ||||
| 15 000-24 999 | 47 (27.5) | 48 (29.3) | 12 (36.4) | 6 (20.0) | 24 (26.1) | 26 (28.6) | 11 (23.9) | 16 (37.2) | ||||
| 25 000-49 999 | 44 (25.7) | 15 (9.1) | 4 (12.1) | 1 (3.3) | 21 (22.8) | 6 (6.6) | 19 (41.3) | 8 (18.6) | ||||
| ≥50 000 | 10 (5.8) | 5 (3.0) | 0 (0.0) | 0 (0.0) | 3 (3.3) | 3 (3.3) | 7 (15.2) | 2 (4.7) | ||||
| Schooling, mean (SD), y | 13.5 (3.2) | 13.1 (3.5) | .21 | 13.4 (4.1) | 13.6 (3.3) | .76 | 13.3 (3.5) | 12.7 (3.8) | .27 | 13.8 (2.2) | 13.3 (3.3) | .27 |
| Spanish-language preference | 8 (3.9) | 13 (6.6) | .46 | 3 (7.5) | 1 (2.9) | .71 | 5 (5.2) | 12 (14.3) | .07 | 0 | 0 | NA |
Abbreviations: P2P, peer-to-peer; SCS, standard community services.
a
Individuals who did not identify as any of the other categories were included in the other group.