Table 1.
Demographic characteristics and prevalence of claims-based predictors of dependency in activities of daily living by predicted probability and phenotypic frailty, ARIC participants (n=3146) (2010–2013).
| Overall | Predicted probability of dependency | Phenotypic frailty | |||||
|---|---|---|---|---|---|---|---|
|
|
|
|
|||||
| <5% | 5%–<20% | ≥ 20% | Robust | Pre-frail | Frail | ||
| N=3146 | N=2162 | N=841 | N=143 | N=1345 | N=1585 | N=216 | |
| Frailty components; N (%) | |||||||
| Unintentional weight loss | 669 (21) | 357 (17) | 255 (30) | 57 (43) | 0 (0.0) | 540 (35) | 129 (60) |
| Exhaustion | 296 (9) | 140 (7) | 120 (14) | 36 (26) | 0 (0.0) | 214 (14) | 82 (38) |
| Low physical activity | 481 (16) | 289 (14) | 163 (20) | 29 (25) | 0 (0.0) | 345 (23) | 136 (63) |
| Low grip strength | 820 (27) | 479 (23) | 295 (38) | 46 (48) | 0 (0.0) | 637 (44) | 183 (86) |
| Slow walk speed | 473 (16) | 217 (10) | 200 (26) | 56 (61) | 0 (0.0) | 306 (21) | 167 (79) |
| Age group; N (%) | |||||||
| 65–69 | 311 (10) | 270 (13) | 39 (5) | 2 (1) | 181 (14) | 125 (8) | 5 (2) |
| 70–74 | 1123 (36) | 907 (42) | 190 (23) | 26 (18) | 583 (43) | 483 (31) | 57 (26) |
| 75–79 | 866 (28) | 635 (29) | 200 (24) | 31 (22) | 367 (27) | 450 (28) | 49 (23) |
| 80–84 | 619 (20) | 316 (15) | 259 (31) | 44 (31) | 173 (13) | 375 (24) | 71 (33) |
| ≥ 85 | 227 (7) | 34 (2) | 153 (18) | 40 (28) | 41 (3) | 152 (10) | 34 (16) |
| White; N (%) | 2457 (78) | 1769 (82) | 594 (71) | 94 (66) | 1069 (80) | 1211 (76) | 177 (82) |
| Female; N (%) | 1872 (60) | 1212 (56) | 559 (67) | 101 (71) | 755 (56) | 971 (61) | 146 (68) |
| Claims; N (%) | |||||||
| Arthritis | 1400 (45) | 758 (35) | 527 (63) | 115 (80) | 523 (39) | 749 (47) | 128 (59) |
| Bladder Dysfunction | 254 (8) | 98 (5) | 116 (14) | 40 (28) | 86 (6) | 140 (9) | 28 (13) |
| Stroke/brain injury | 116 (4) | 19 (1) | 61 (7) | 36 (25) | 23 (2) | 75 (5) | 18 (8) |
| Skin Ulcer | 67 (2) | 5 (0) | 36 (4) | 26 (18) | 7 (1) | 47 (3) | 13 (6) |
| Dementia | 202 (6) | 22 (1) | 109 (13) | 71 (50) | 40 (3) | 134 (9) | 28 (13) |
| Heart Failure | 287 (9) | 79 (4) | 142 (17) | 66 (46) | 71 (5) | 169 (11) | 47 (22) |
| Hypotension/Shock | 76 (2) | 18 (1) | 37 (4) | 21 (15) | 24 (2) | 44 (3) | 8 (4) |
| Lipid Abnormality | 2173 (69) | 1527 (71) | 541 (64) | 105 (73) | 921 (69) | 1098 (69) | 154 (71) |
| Paralysis | 25 (1) | 0 (0) | 5 (1) | 20 (14) | 4 (0) | 16 (1) | 5 (2) |
| Parkinson’s Disease | 30 (1) | 4 (0) | 13 (2) | 13 (9) | 7 (1) | 21 (1) | 2 (1) |
| Podiatric Care | 243 (8) | 71 (3) | 131 (16) | 41 (29) | 65 (5) | 152 (10) | 26 (12) |
| Psychiatric Illness | 454 (14) | 123 (6) | 237 (28) | 94 (66) | 124 (9) | 267 (17) | 63 (29) |
| Rehabilitation Care | 244 (8) | 124 (6) | 86 (10) | 34 (24) | 69 (5) | 138 (9) | 37 (17) |
| Cancer Screening | 1487 (47) | 1221 (57) | 240 (29) | 26 (18) | 699 (52) | 707 (45) | 81 (38) |
| Vertigo | 299 (10) | 203 (9) | 73 (9) | 23 (16) | 108 (8) | 157 (10) | 34 (16) |
| Weakness | 237 (8) | 61 (3) | 107 (13) | 69 (48) | 57 (4) | 141 (9) | 39 (18) |
| Ambulance | 237 (8) | 48 (2) | 114 (14) | 75 (53) | 58 (4) | 137 (9) | 42 (19) |
| Home Hospital Bed | 10 (0) | 0 (0) | 0 (0) | 10 (7) | 0 (0) | 9 (1) | 1 (1) |
| Home Oxygen | 59 (2) | 4 (0) | 30 (4) | 25 (18) | 14 (1) | 35 (2) | 10 (5) |
| Wheelchair | 20 (1) | 0 (0) | 2 (0) | 18 (13) | 0 (0) | 15 (1) | 5 (2) |
Abbreviations: SD=standard deviation
Sample size for frailty components varies: weight loss (N=3127), exhaustion (N=3123), physical activity (N=3042), grip strength (N=3001), walk speed (N=2984)