Table 1. Baseline characteristics of residents and rooms in the FLIP Study.
| Overall | Compliant Flooring (INT) | Control Flooring (CON) | |
|---|---|---|---|
| Resident Characteristics | (n = 357) | (n = 184) | (n = 173) |
| Demographic | |||
| Age, years | 81.7 (9.5) | 81.2 (9.9) | 82.1 (9.1) |
| <85 | 206 (57.7) | 108 (58.7) | 98 (56.6) |
| ≥85 | 151 (42.3) | 76 (41.3) | 75 (43.4) |
| Women | 229 (64.3) | 119 (64.7) | 110 (64.0) |
| BMI, kg/m2 | 25.9 (7.7) | 26.3 (8.3) | 25.4 (7.0) |
| <25 | 186 (54.4) | 92 (51.4) | 94 (57.7) |
| ≥25 | 156 (45.6) | 87 (48.6) | 69 (42.3) |
| Village | |||
| Village A | 50 (14.0) | 25 (13.6) | 25 (14.5) |
| Village B | 48 (13.5) | 27 (14.7) | 21 (12.1) |
| Village C | 66 (18.5) | 33 (17.9) | 33 (19.1) |
| Village D | 193 (54.1) | 99 (53.8) | 94 (54.3) |
| Do not hospitalize directive | 180 (56.4) | 94 (56.6) | 86 (56.2) |
| Medical Conditions | |||
| Visual impairment | 106 (29.7) | 54 (29.4) | 52 (30.1) |
| CVD | 32 (9.0) | 18 (9.8) | 14 (8.1) |
| Hypertension | 135 (37.8) | 64 (34.8) | 71 (41.0) |
| Stroke or TIA | 32 (9.0) | 18 (9.8) | 14 (8.1) |
| Arthritis | 83 (23.3) | 39 (21.2) | 44 (25.6) |
| Osteoporosis | 44 (12.3) | 23 (12.5) | 21 (12.1) |
| Alzheimer's disease | 56 (15.7) | 29 (15.8) | 27 (15.6) |
| Dementia | 196 (54.9) | 104 (56.5) | 92 (53.2) |
| Depression | 46 (12.9) | 27 (14.7) | 19 (11.0) |
| Parkinson's disease | 16 (4.5) | 7 (3.8) | 9 (5.2) |
| ≥1 falls, past 180 days | 75 (21.0) | 41 (22.3) | 34 (19.7) |
| Hip fracture, past 180 days | 5 (1.4) | 2 (1.1) | 3 (1.7) |
| Other fracture, past 180 days | 5 (1.4) | 3 (1.6) | 2 (1.2) |
| Number of medical conditions | 1.8 (1.2) | 1.8 (1.3) | 1.8 (1.2) |
| Mobility | |||
| Short-form ADL complete dependence | 8 (2.2) | 5 (2.7) | 3 (1.7) |
| Unable to stand independently | 75 (21.0) | 42 (22.8) | 33 (19.1) |
| Use of cane, walker, or crutch | 145 (40.6) | 75 (40.8) | 70 (40.5) |
| Wheelchair primary mode of transportation | 54 (15.1) | 29 (15.8) | 25 (14.5) |
| Use of transfer aid | 28 (7.8) | 15 (8.2) | 13 (7.5) |
| Unsteady gait | 58 (16.3) | 29 (15.8) | 29 (16.8) |
| Medications, Past 7 Days | |||
| Number of medications | 8.1 (3.8) | 8.2 (3.7) | 7.9 (4.0) |
| Antipsychotic | 133 (37.3) | 71 (38.6) | 62 (35.8) |
| Antianxiety | 58 (16.3) | 38 (20.7) | 20 (11.6) |
| Antidepressant | 159 (44.5) | 87 (47.3) | 72 (41.6) |
| Hypnotic | 86 (24.1) | 45 (24.5) | 41 (23.7) |
| Diuretic | 80 (22.4) | 39 (21.2) | 41 (23.7) |
| Analgesic | 196 (54.9) | 94 (51.1) | 102 (59.0) |
| Room Characteristics | (n = 74) | (n = 76) | |
| Whole room area, square feet | 167.2 (8.0) | 167.6 (8.1) | 166.9 (8.0) |
| Bathroom area, square feet* | 20.4 (12.5) | 20.3 (10.8) | 20.5 (12.3) |
| Wheelchair accessible bathroom | 186 (52.3) | 91 (49.7) | 95 (54.9) |
| ≥1 grab bars in bathroom | 206 (57.9) | 103 (56.3) | 103 (59.5) |
| Ceiling lift | 30 (8.5) | 11 (6.0) | 19 (11.1) |
| Fall mat | 65 (18.3) | 30 (16.4) | 35 (20.4) |
Cells contain mean (SD) for continuous variables and n (%) for categorical variables, unless otherwise indicated. Number of chronic medical conditions includes count of CVD (includes atherosclerotic heart disease and cardiac dysrhythmia), hypertension, stroke or TIA, arthritis, osteoporosis, Alzheimer’s disease, dementia, depression, and Parkinson’s disease
*Median (interquartile range). BMI missing for 5 INT and 10 CON; do not hospitalize directive missing for 18 INT and 20 CON; arthritis missing for 1 CON; wheelchair accessible bathroom missing for 1 INT; 1+ grab bars in bathroom missing for 1 INT; ceiling lift missing for 1 INT and 1 CON; fall mat missing for 1 INT and 1 CON.
Abbreviations: ADL, activities of daily living; BMI, body mass index; CON, Control; CVD, Cardiovascular disease; FLIP, Flooring for Injury Prevention; INT, intervention; TIA, transient ischemic attack.