Adjusted relative risks (95% CI), by baseline level of cognitive impairment
| Moderate (n=5393) | Severe (n=3160) | |
|---|---|---|
| Age (y): | ||
| 65-74 | — | — |
| 75-84 | 1.40 (1.21 - 1.62) | 1.29 (1.12 - 1.49) |
| 85+ | 1.77 (1.52 - 2.05) | 1.92 (1.65 - 2.23) |
| Sex: | ||
| Female | — | — |
| Male | 1.94 (1.79 - 2.11) | 1.80 (1.63 - 1.99) |
| Race / ethnicity: | ||
| White | — | — |
| African-American | 0.72 (0.60 - 0.87) | 0.99 (0.81 - 1.20) |
| Other minorities | 0.69 (0.52 - 0.92) | 0.64 (0.47 - 0.87) |
| Behaviour problems: | ||
| No | — | — |
| Yes | 0.99 (0.91 - 1.08) | 0.85 (0.76 - 0.94) |
| Indicators of delirium: | ||
| No | — | — |
| Yes | 1.15 (1.03 - 1.27) | 1.19 (1.06 - 1.33) |
| Physical function: | ||
| Normal | — | — |
| Need supervision | 1.26 (1.10 - 1.45) | 1.66 (1.10 - 2.53) |
| Require assistance | 1.44 (1.22 - 1.69) | 1.98 (1.29 - 3.03) |
| Hearing problems: | ||
| No | — | — |
| Yes | 1.12 (1.00 - 1.27) | 1.06 (0.94 - 1.26) |
| Vision problems: | ||
| No | — | — |
| Yes | 1.20 (1.05 - 1.36) | 1.06 (0.97 - 1.22) |
| Urinary incontinence: | ||
| No | — | — |
| Yes | 1.16 (1.06 - 1.28) | 1.09 (0.95 - 1.28) |
| Pressure ulcers: | ||
| No | — | — |
| Yes | 1.26 (1.10 - 1.45) | 1.23 (1.08 - 1.40) |
| Cardiovascular disease: | ||
| No | — | — |
| Yes | 1.24 (1.14 - 1.35) | 1.21 (1.10 - 1.34) |
| Depression: | ||
| No | — | — |
| Yes | 1.07 (1.00 - 1.17) | 1.19 (1.07 - 1.32) |
| COPD: | ||
| No | — | — |
| Yes | 1.28 (1.13 - 1.45) | 1.18 (1.00 - 1.42) |
| Diabetes mellitus: | ||
| No | — | — |
| Yes | 1.27 (1.14 - 1.42) | 1.36 (1.19 - 1.57) |
| Malnutrition (BMI < 21): | ||
| No | — | — |
| Yes | 1.33 (1.22 - 1.44) | 1.30 (1.17 - 1.43) |
COPD=chronic obstructive pulmonary disease.