Table 3.
Unadjusted and adjusted ORs for the association between PIP and its predictors
| PIP (ever/never) | Unadjusted odds ratios (95% CIs) | Adjusted odds ratios* and (95% CIs) |
|---|---|---|
| Polypharmacy |
|
|
| -Never (ref) |
1.0 |
1.0 |
| -Ever |
19.4 (19.2-19.7) |
18.2 (18.0-18.4) |
| Age (years) |
|
|
| -70–74 (ref) |
1.0 |
1.0 |
| -75–80 |
1.0 (1.0- 1.0) |
0.9 (0.9-0.9) |
| -81–85 |
0.8 (0.8-0 .8) |
0.8 (0.8-0.8) |
| - > 85 |
0.3 (0.3-0.3) |
0.4 (0.4-0.4) |
| Gender |
|
|
| -Male (ref) |
1.0 |
1.0 |
| -Female |
1.0 (1.0-1.0) |
0.9 (0.9- 0.9) |
| -Missing |
|
1.5 (1.5-1.5) |
| Mobidities (Charlson morbidity index score) |
|
|
| -1 (ref) |
1.0 |
1.0 |
| -2 |
2.2 (2.2-2.3) |
1.51 (1.5-1.5) |
| -3 | 0.4 (0.4-0.40) | 0.9 (0.9-0.9) |
*Adjusted for age (70–74, 75–80, 81–85,>85 years), gender, morbidity (charlson morbidity index: 1 representing a lower number of comorbidities and 3 higher) and polypharmacy (ever/never).