Demographic characteristics and social network conditions of the overall study sample and stratified by cognitive resilience status.
| Characteristics | Cognitively resilient | Total(N = 141) | p-value | |
|---|---|---|---|---|
| No(N = 34) | Yes(N = 107) | |||
| Sex, n (%) | 0.0613 | |||
| Male | 10 (29.4%) | 51 (47.7%) | 61 (43.3%) | |
| Female | 24 (70.6%) | 56 (52.3%) | 80 (56.7%) | |
| APOE ε4 allele, n (%) | 0.0730 | |||
| Non-carrier | 26 (76.5%) | 95 (88.8%) | 121 (85.8%) | |
| Carrier | 8 (23.5%) | 12 (11.2%) | 20 (14.2%) | |
| Education, n (%) | 0.1752 | |||
| High school graduate or lower | 17 (50.0%) | 35 (32.7%) | 52 (36.9%) | |
| Some college | 10 (29.4%) | 38 (35.5%) | 48 (34.0%) | |
| College graduate | 7 (20.6%) | 34 (31.8%) | 41 (29.1%) | |
| Marital status, n (%) | 0.2264 | |||
| Married/Living with partner | 16 (47.1%) | 63 (58.9%) | 79 (56.0%) | |
| Single, separated, divorced, widowed | 18 (52.9%) | 44 (41.1%) | 62 (44.0%) | |
| Age (years), Exam 8, Median (25th–75th) | 83 (81, 84) | 82 (81, 84) | 82 (81, 84) | |
| CVD risk score, mean (SD) | 18.0 (4.3) | 17.4 (3.6) | 17.6 (3.8) | |
| How many friends? n (%) | 0.8684 | |||
| ≤ 2 | 11 (32.4%) | 33 (30.8%) | 44 (31.2%) | |
| > 2 | 23 (67.6%) | 74 (69.2%) | 97 (68.8%) | |
| How many friends see a month? n (%) | 0.4792 | |||
| ≤ 2 | 16 (47.1%) | 43 (40.2%) | 59 (41.8%) | |
| > 2 | 18 (52.9%) | 64 (59.8%) | 82 (58.2%) | |
| How many relatives? n (%) | 0.4151 | |||
| ≤ 2 | 11 (32.4%) | 27 (25.2%) | 38 (27.0%) | |
| > 2 | 23 (67.6%) | 80 (74.8%) | 103 (73.0%) | |
| How many relatives see a month? n (%) | 0.5820 | |||
| ≤ 2 | 19 (55.9%) | 54 (50.5%) | 73 (51.8%) | |
| > 2 | 15 (44.1%) | 53 (49.5%) | 68 (48.2%) | |
| Participate in any groups? n (%) | 0.4231 | |||
| No | 13 (38.2%) | 33 (30.8%) | 46 (32.6%) | |
| Yes | 21 (61.8%) | 74 (69.2%) | 95 (67.4%) | |
| How often do you go to religious meetings? n (%) | 0.8588 | |||
| Never or almost never/Once or twice a year | 9 (26.5%) | 30 (28.0%) | 39 (27.7%) | |
| Every few months or more frequently | 25 (73.5%) | 77 (72.0%) | 102 (72.3%) | |
| Someone to listen to you? n (%) | 0.6812 | |||
| None/a little of the time | 4 (11.8%) | 10 (9.3%) | 14 (9.9%) | |
| Some/most/all of the time | 30 (88.2%) | 97 (90.7%) | 127 (90.1%) | |
| Someone to give you advice? n (%) | 0.5560 | |||
| None/a little of the time | 4 (11.8%) | 9 (8.4%) | 13 (9.2%) | |
| Some/most/all of the time | 30 (88.2%) | 98 (91.6%) | 128 (90.8%) | |
| Someone shows love? n (%) | 0.2791 | |||
| None/a little of the time | 1 (2.9%) | 9 (8.4%) | 10 (7.1%) | |
| Some/most/all of the time | 33 (97.1%) | 98 (91.6%) | 131 (92.9%) | |
| Someone gives emotional support? n (%) | 0.5040 | |||
| None/a little of the time | 3 (8.8%) | 6 (5.6%) | 9 (6.4%) | |
| Some/most/all of the time | 31 (91.2%) | 101 (94.4%) | 132 (93.6%) | |
| As much contact as you like? n (%) | 0.4350 | |||
| None/a little of the time | 4 (11.8%) | 8 (7.5%) | 12 (8.5%) | |
| Some/most/all of the time | 30 (88.2%) | 99 (92.5%) | 129 (91.5%) | |
CVD: cardiovascular disease.