Table 3 Final models for the endpoint survival time (cox regression, forward selection)

Perceived social support

1.241

p = 0.216

0.882 - 1.748

1.240

p = 0.217

0.881 - 1.745

Age

1.099

p = 0.000

1.054 - 1.146

1.098

p = 0.000

1.054 - 1.145

Cognitive function at FU2

0.974

p = 0.040

0.950 - 0.999

0.970

p = 0.022

0.944 - 0.995

Health status (subjective)

0.986

p = 0.002

0.977 - 0.995

0.987

p = 0.003

0.978 - 0.995

No alcohol abuse

0.274

p = 0.005

0.111 - 0.674

0.268

p = 0.004

0.109 - 0.660

Physical inactivity

2.149

p = 0.000

1.557 - 2.967

2.187

p = 0.000

1.585 - 3.018

Preserved instrumental activities of daily living

0.809

p = 0.000

0.746 - 0.876

0.808

p = 0.000

0.746 - 0.875

Cognitive inactivity

0.619

p = 0.237

0.279 - 1.372