Table 1.
Quantitative sample characteristics by diagnostic category and level of amyloid
| All participants | Dementia (N = 369) | MCI (N = 969) | |||||
|---|---|---|---|---|---|---|---|
| N = 1338 | Not Elevated, N = 96 | Elevated, N = 273 | p1 | Not Elevated, N = 377 | Elevated, N = 592 | p1 | |
| Care partner Characteristics | |||||||
| Age, n (%) | 0.43 | 0.35 | |||||
| < 65 | 209 (15.7) | 15 (15.8) | 40 (14.9) | 64 (17.0) | 90 (15.3) | ||
| 65–74 | 589 (44.3) | 49 (51.6) | 116 (43.1) | 175 (46.4) | 249 (42.3) | ||
| 75 + | 532 (40.0) | 31 (32.6) | 113 (42.0) | 138 (36.6) | 250 (42.4) | ||
| Gender, n (%) | 0.96 | 0.33 | |||||
| Male | 433 (32.4) | 34 (35.4) | 96 (35.2) | 111 (29.4) | 192 (32.4) | ||
| Female | 905 (67.6) | 62 (64.6) | 177 (64.8) | 266 (70.6) | 400 (67.6) | ||
| Non-Hispanic, White, n (%) | 1251 (93.8) | 87 (90.6) | 254 (93.4) | 0.13 | 349 (93.3) | 561 (94.9) | 0.16 |
| Level of Education, n (%) | 0.52 | 0.033 | |||||
| High school or less | 160 (12.0) | 11 (11.5) | 38 (14.0) | 38 (10.1) | 73 (12.4) | ||
| Vocational/Some college | 361 (27.2) | 32 (33.3) | 70 (25.8) | 117 (31.2) | 142 (24.2) | ||
| Bachelor’s degree | 381 (28.7) | 31 (32.3) | 90 (33.2) | 87 (23.2) | 173 (29.5) | ||
| Graduate degree | 427 (32.1) | 22 (22.9) | 73 (26.9) | 133 (35.5) | 199 (33.9) | ||
| Relationship to PLwCI, n (%) | 0.66 | 0.54 | |||||
| Spouse | 1,194 (89.3) | 85 (88.5) | 246 (90.1) | 339 (89.9) | 524 (88.7) | ||
| Other | 143 (10.7) | 11 (11.5) | 27 (9.9) | 38 (10.1) | 67 (11.3) | ||
| Caregiver Burden, n (%) | 0.031 | 0.33 | |||||
| Low | 927 (70.5) | 69 (74.2) | 165 (61.8) | 276 (74.4) | 417 (71.5) | ||
| High | 387 (29.5) | 24 (25.8) | 102 (38.2) | 95 (25.6) | 166 (28.5) | ||
| Hours Spent Caregiving (per week), n (%) | 0.61 | 0.013 | |||||
| < 5 | 667 (50.7) | 29 (30.9) | 85 (31.5) | 235 (63.3) | 318 (54.7) | ||
| 6–19 | 354 (26.9) | 34 (36.2) | 84 (31.1) | 71 (19.1) | 165 (28.4) | ||
| 20–39 | 145 (11.0) | 16 (17.0) | 42 (15.6) | 34 (9.2) | 53 (9.1) | ||
| 40 + | 150 (11.4) | 15 (16.0) | 59 (21.9) | 31 (8.4) | 45 (7.7) | ||
| Change in hours spent caregiving per week, n (%) | 0.45 | 0.46 | |||||
| Fewer | 84 (12.0) | 10 (20.0) | 23 (14.7) | 20 (10.2) | 31 (10.4) | ||
| The same | 431 (61.4) | 27 (54.0) | 79 (50.6) | 135 (68.5) | 190 (63.5) | ||
| More | 187 (26.6) | 13 (26.0) | 54 (34.6) | 42 (21.3) | 78 (26.1) | ||
| PLwCI needs help with medication, n (%) | 581 (44.9) | 61 (65.6) | 190 (73.4) | 0.16 | 95 (26.1) | 235 (40.7) | < 0.001 |
| PLwCI needs help with dressing, n (%) | 178 (13.4) | 27 (28.7) | 72 (26.6) | 0.69 | 23 (6.1) | 56 (9.6) | 0.060 |
| PLwCI Characteristics | |||||||
| Age, n (%) | 0.97 | 0.17 | |||||
| 65–74 | 443 (43.3) | 27 (40.3) | 71 (41.8) | 152 (47.8) | 193 (41.2) | ||
| 75 + | 581 (53.7) | 40 (59.7) | 99 (58.2) | 166 (52.2) | 276 (58.8) | ||
MCI mild cognitive impairment, PLwCI persons living with cognitive impairment
1Pearson’s Chi-squared test; Fisher’s exact test