Table 2 Association between low muscle mass and mortality (4 year follow-up) according to Cox regression models adjusted for confounders.

Low muscle mass

0.94 (0.56–1.56)

0.92 (0.55–1.54)

0.90 (0.54–1.52)

0.82 (0.45–1.47)

Age (years)

1.02 (0.97–1.08)

1.02 (0.97–1.08)

0.96 (0.89–1.04)

Smoker

1.02 (0.79–1.32)

1.13 (0.86–1.48)

Alcohol drinker

1.08 (0.88–1.34)

1.15 (0.91–1.45)

Cognitive impairment

1.71 (1.07–2.73)*

Disability

1.73 (1.13–2.63)*

Variables

Unadjusted

Model 1

Model 2

Model 3

Low muscle mass

1.45 (1.07–1.96)*

1.36 (1.00–1.85)*

1.39 (1.01–1.90)*

1.54 (1.10–2.16)*

Age (years)

1.04 (1.00–1.08)*

1.05 (1.00–1.08)*

1.05 (1.00–1.09)*

Smoker

1.04 (0.90–1.20)

1.04 (0.89–1.22)

Alcohol drinker

1.05 (0.89–1.23)

1.04 (0.88–1.24)

Cognitive impairment

1.24 (0.71–2.18)

Disability

1.54 (1.01–1.76)*