Variable | β | OR | 95% CI lower | P value |
Intercept | −3.0047 | – | – | <0.0001 |
Diastolic BP (per 1 mm Hg increase) | 0.0156 | 1.016 | 1.006 to 1.026 | 0.0018 |
Psychotropic drug use | 0.3660 | 1.442 | 1.113 to 1.868 | 0.0056 |
Antihypertensive drug use | 0.5545 | 1.741 | 1.388 to 2.185 | <0.0001 |
Dependence in at least one IADL | 0.6427 | 1.902 | 1.140 to 3.171 | 0.0138 |
Forgetfulness | 0.2455 | 1.278 | 1.017 to 1.607 | 0.0354 |
Difficulties with simple arithmetic calculations | 0.3942 | 1.483 | 1.108 to 1.986 | 0.0081 |
The classification of extWML was based on upper quartile stratified by sex as; >6.03 cm3 for men and 4.91 cm3 for women. The regression model used a backward stepwise deletion procedure for covariates using a threshold for inclusion of P<0.05.
BP, blood pressure; IADL, instrumental activities of daily living.