Table 4. Baseline characteristics of participants overall and selected subgroups.
| Characteristic | Classification | n (%) All | n (%) High-risk Stratum | Upper Risk Tertile n (%) | n (%) Coronary Heart Disease |
| Participants n | 1,736 | 505 | 568 | 300 | |
| Sex - Female | 1,057 (61) | 370 (73) | 416 (73) | 117 (39) | |
| Age in years (mean ± SD) | 74.8±6.5 | 78.2±7.1 | 78.1±6.9 | 76.5±6.7 | |
| Age group - years | 65–69 | 502 (29) | 85 (17) | 87 (15) | 61 (20) |
| 70–74 | 433 (25) | 78 (15) | 94 (17) | 66 (22) | |
| 75–79 | 418 (24) | 130 (26) | 156 (27) | 72 (24) | |
| 80–84 | 256 (15) | 124 (25) | 141 (25) | 72 (24) | |
| 85+ | 127 (7) | 88 (17) | 90 (16) | 29 (10) | |
| Perceived health | Excellent | 304 (18) | 33 (7) | 43 (8) | 42 (14) |
| Good | 1,124 (65) | 273 (54) | 327 (58) | 198 (66) | |
| Fair | 266 (15) | 161 (32) | 160 (28) | 56 (19) | |
| Poor | 42 (2) | 38 (8) | 38 (7) | 4 (1) | |
| Living alone | 546 (31) | 336 (67) | 401 (71) | 82 (27) | |
| Depressed in prior 3 mo | 244 (14) | 171 (34) | 176 (31) | 49 (16) | |
| Fall in prior year | 374 (22) | 200 (40) | 210 (37) | 61 (20) | |
| Limited mobility | 162 (9) | 153 (30) | 155 (27) | 34 (11) | |
| Unintended 4.54-kg+weight loss | 72 (4) | 41 (8) | 42 (7) | 11 (4) | |
| ADL score (mean ± SD) | 0.8±2.1 | 2.2±3.4 | 2.0±3.3 | 1.0±2.5 | |
| IADL score (mean ± SD) | 1.1±2.4 | 3.0±3.5 | 2.7±3.5 | 1.4±2.8 | |
| Need help to complete risk survey | 155 (9) | 119 (24) | 123 (22) | 31 (10) | |
| Tobacco use | 80 (5) | 17 (3) | 18 (3) | 18 (6) | |
| Chronic conditions (mean ± SD) | 3.8±1.9 | 5.2±2.2 | 5.0±2.2 | 4.5±1.8 | |
| Nursing home stay ever in past | 22 (1) | 20 (4) | 20 (4) | 4 (1) | |
| Number of medications | 5 or more | 971 (56) | 383 (76) | 421 (74) | 217 (72) |
| 2 to 4 | 624 (36) | 111 (22) | 132 (23) | 74 (25) | |
| 1 | 108 (6) | 10 (2) | 14 (2) | 6 (2) | |
| None | 33 (2) | 1 (0) | 1 (0) | 3 (1) | |
| Physician or clinic visits in past 6 mo | 4 or more | 468 (27) | 216 (43) | 233 (41) | 93 (31) |
| 2 or 3 | 807 (46) | 218 (43) | 251 (44) | 136 (45) | |
| 1 | 401 (23) | 62 (12) | 75 (13) | 61 (20) | |
| None | 60 (3) | 9 (2) | 9 (2) | 10 (3) | |
| ER visits in past 6 mo | 3 or more | 19 (1) | 13 (3) | 14 (2) | 4 (1) |
| 2 | 54 (3) | 39 (8) | 42 (7) | 15 (5) | |
| 1 | 240 (14) | 116 (23) | 126 (22) | 47 (16) | |
| None | 1,423 (82) | 337 (67) | 386 (68) | 234 (78) | |
| Hospital stays in past 6 mo | 4 or more | 18 (1) | 17 (3) | 17 (3) | 4 (1) |
| 2 or 3 | 49 (3) | 30 (6) | 35 (6) | 12 (4) | |
| 1 | 177 (10) | 98 (19) | 101 (18) | 38 (13) | |
| None | 1,492 (86) | 360 (71) | 415 (73) | 246 (82) | |
| Primary diagnosis | Heart failure | 98 (6) | 58 (11) | 60 (11) | — |
| Coronary heart disease | 300 (17) | 110 (22) | 116 (20) | 300 (100) | |
| Diabetes mellitus | 316 (18) | 119 (24) | 122 (21) | — | |
| Hypertension | 673 (39) | 150 (30) | 187 (33) | — | |
| Asthma | 81 (5) | 36 (7) | 39 (7) | — | |
| Hyperlipidemia | 268 (15) | 32 (6) | 44 (8) | — | |
| Risk stratum | High | 505 (29) | 505 (100) | 490 (86) | 110 (37) |
| Moderate | 1047 (60) | — | 76 (13) | 170 (57) | |
| Low | 184 (11) | — | 2 (0) | 20 (7) | |
| Risk tertile | Upper | 568 (33) | 490 (97) | 568 (100) | 116 (39) |
| Middle | 600 (35) | 15 (3) | — | 111 (37) | |
| Lower | 368 (33) | 0 (0) | — | 73 (24) |
ADL, activities of daily living; ER, emergency room; IADL, instrumental activities of daily living; SD, standard deviation.