Table 1.
Study Cohort Characteristics by Level of Obesity
| Nonobese | Obese | |||
|---|---|---|---|---|
| BMI <30.0 (n = 754,120; 71%) |
Mild, BMI 30.0–34.9 (n = 170,870; 16%) |
Moderate, BMI 35.0–39.9 (n = 75,958; 7%) |
Severe, BMI >40.0 (n = 62,435; 6%) |
|
| Resident characteristic | ||||
| Age, y, mean (SD) | 82.8 (11.2) | 79.2 (11.5) | 76.4(11.6) | 71.6(11.7) |
| Age >80 y, n (%) | 506,079 (67) | 91,984 (54) | 32,279 (42) | 15,618 (25) |
| Female sex, n (%) | 494,429 (66) | 114,616(67) | 53,964(71) | 46,784 (75) |
| Nonwhite race, n (%) | 135,073 (18) | 31,004(18) | 14,227 (19) | 12,455 (20) |
| Medicaid-eligible, n (%) | 380,856 (51) | 99,604 (58) | 46,432 (61) | 39,203 (63) |
| Anemia, n (%) | 228,089 (30) | 50,061 (29) | 22,734 (30) | 19,761 (32) |
| Diabetes mellitus, n (%) | 219,791 (29) | 75,656 (44) | 39,943 (53) | 37,799 (61) |
| Cardiovascular disease,* n (%) | 75,224 (35) | 19,855 (39) | 9,707 (43) | 8,744 (46) |
| Asthma/COPD, n (%) | 150,120 (20) | 40,810 (24) | 21,639 (28) | 22,296 (36) |
| Arthritis, n (%) | 63,593 (29) | 16,586 (33) | 7,855 (35) | 6,853 (36) |
| Stroke or TIA, n (%) | 128,409(17) | 30,951 (18) | 13,094(17) | 8,865 (14) |
| Dementia,† n (%) | 429,913 (57) | 82,537 (48) | 29,956 (39) | 15,451 (25) |
| ADL,‡ mean (SD) | 17.2 (6.5) | 16.3 (6.6) | 16 (6.4) | 16.1 (6.1) |
| ADL >23, n (%) | 122,393 (16) | 21,124(12) | 7,583 (10) | 5,398 (9) |
| CFS Score, n (%) Intact | 212,837 (28) | 68,142 (40) | 37,875 (50) | 40,884 (66) |
| Impaired, Mild | 166,104 (22) | 40,457 (24) | 17,856 (24) | 12,239 (20) |
| Impaired, Moderate | 269,354 (36) | 47,671 (28) | 16,225 (21) | 7,614 (12) |
| Impaired, Severe | 100,910 (13) | 13,566 (8) | 3,539 (5) | 1,383 (2) |
| Facility characteristic | ||||
| Occupancy rate, mean (SD) | 84.6 (12.5) | 84.3 (12.7) | 83.8 (12.9) | 83 (13.2) |
| Number of beds, mean (SD) | 141.8 (90.1) | 139.1 (88.3) | 137.7 (84.4) | 136.6 (80.8) |
| For-profit facility, n (%) | 514,966 (69) | 116,256 (69) | 52,674 (70) | 45,828 (74) |
| Region, n (%) | ||||
| Northeast | 178,723 (24) | 38,694 (23) | 16,217 (22) | 12,336 (20) |
| Midwest | 207,791 (28) | 53,235 (32) | 24,883 (33) | 21,151 (34) |
| South | 261,004 (35) | 57,727 (34) | 25,812 (34) | 21,518 (35) |
| Pacific | 94,643 (13) | 18,754(11) | 7,985 (11) | 6,601 (11) |
| Rural, n (%) | 177,435 (24) | 44,781 (26) | 20,310(27) | 16914(27) |
| % Medicaid, mean (SD) | 61 (20.4) | 62.1 (19.7) | 62.7 (19.3) | 63.6 (18.7) |
| Star rating,§ n (%) | ||||
| 1–2 | 271,434 (36) | 62,899 (37) | 29,284 (39) | 25,801 (42) |
| 3 | 148,464 (20) | 34,015 (20) | 15,270 (20) | 12,497 (20) |
| 4–5 | 326,880 (44) | 72,229 (43) | 30,631 (41) | 23,522 (38) |
CFS, Cognitive Function Scale; COPD, chronic obstructive pulmonary disease; SD, standard deviation; TIA, transient ischemic attack.,
*
Includes coronary artery disease or heart failure.
†
Includes Alzheimer’s disease.
‡
Refers to the Morris 28-point scale of independence in ADL (28 ¼ total dependence)
§
Refers to the Nursing Home Compare overall rating of the Nursing Home during April 2015