Table 3 Predictors of disability outcome; basic and extended model
From: Age, gender and disability predict future disability in older people: the Rotterdam Study
Independent variable | Mild disability | Severe disability | Death | |||
|---|---|---|---|---|---|---|
Basic model | Extended model | Basic model | Extended model | Basic model | Extended model | |
Age (per 10 years) | 2.2 (2.0-2.5)** | 2.2 (2.0-2.5)** | 3.9 (3.4-4.5)** | 4.2 (3.6-4.9)** | 7.2 (6.3-8.4)** | 7.0 (6.0-8.1)** |
Gender (female) | 1.5 (1.3-1.8)** | 1.4 (1.2-1.6)** | 2.3 (1.8-2.8)** | 2.1 (1.7-2.6)** | 0.6 (0.5-0.7)** | 0.6 (0.5-0.7)** |
Disability Index | 8.7- (6.4-11.8)** | 11.6 (6.3-21.3**) | 36.3 (26.6-49.5)** | 37.0 (19.9-68.6)** | 34.7 (25.4-47.5)** | 42.7 (23.5-77.7)** |
MMSE | 0.9 (0.9-1.0)** | 0.9 (0.9-1.0)** | 0.8 (0.8-0.9)** | |||
Self-rated health + | ||||||
Same | 1.0 | 1.0 | 1.0 | |||
Better | 0.9 (0.7-1.0) | 0.7 (0.6-0.9)** | 0.8 (0.6-1.0)* | |||
Worse | 1.7 (1.2-2.3) | 2.2 (1.6-3.2)** | 2.7 (1.9-4.0)** | |||
Body mass index | ||||||
Lower than 25 | 1.0 | 1.0 | 1.0 | |||
25 to 30 | 1.1 (1.0-1.4) | 1.3 (1.0-1.6)* | 0.8 (0.7-1.0) | |||
30 or higher | 1.5 (1.2-2.0) | 1.9 (1.4-2.6)** | 0.9 (0.7-1.2) | |||
Hypertension | 1.4 (1.1-1.6)** | 1.3 (1.0-1.6)* | 1.9 (1.5-2.3)** | |||
Joint complaints | 1.7 (1.4-2.1)** | 1.9 (1.4-2.5)** | 0.9 (0.7-1.2) | |||
AUC (95% CI) | 0.67 (0.66-0.69) | 0.69 (0.67-0.71) | 0.81 (0.79-0.82) | 0.82 (0.80-0.83) | 0.81 (0.79-0.82) | 0.83 (0.81-0.84) |