Table 3.

Hazard ratios (HR) and 95% confidence intervals (CI) for 10-year mortality according to baseline socioeconomic and health variables stratified by categories of chair stand test, n=1411.

Variables	Best performance (n=411)	Worst performance (n=698)	Not able (n=302)
	HR (95% CI)	HR (95% CI)	HR (95% CI)
Age	1.11 (1.07, 1.14)⁎⁎⁎	1.09 (1.07, 1.11)⁎⁎⁎	1.04 (1.02, 1.07)⁎⁎
Sex (female)	0.41 (0.23, 0.73)⁎⁎	0.56 (0.39, 0.81)⁎⁎	0.52 (0.34, 0.79)⁎⁎
Race/skin color (ref.: white)
Black or mixed	0.76 (0.43, 1.36)	1.73 (1.20, 2.49)⁎⁎	0.62 (0.41, 0.95)*
Other	0.83 (0.39, 1.77)	1.21 (0.67, 2.18)	1.13 (0.62, 2.05)
Multimorbidity	1.05 (0.67, 1.65)	1.10 (0.78, 1.55)	1.75 (1.15, 2.67)⁎⁎
Cognitive impairment	1.20 (0.53, 2.74)	1.89 (1.26, 2.83)⁎⁎	2.23 (1.49, 3.33)⁎⁎⁎
Body mass index (ref.: normal)
Low	1.34 (0.77, 2.34)	1.46 (0.99, 2.15)	1.48 (0.99, 2.20)
High	0.93 (0.40, 2.18)	1.41 (0.83, 2.38)	0.49 (0.19, 1.25)
Obesity	1.20 (0.61, 2.36)	1.22 (0.77, 1.93)	0.85 (0.46, 1.56)
Alcohol intake (ref.: never)
0 or 1 day/week	0.35 (0.16, 0.77)⁎⁎	0.81 (0.51, 1.28)	0.78 (0.31, 1.96)
2 days/week or more	0.62 (0.32, 1.20)	1.16 (0.67, 2.02)	0.58 (0.32, 1.04)
Smoking status (Ref.: never)
Current smoker	2.29 (1.24, 4.22)⁎⁎	2.37 (1.39, 4.06)⁎⁎	0.65 (0.33, 1.32)
Former smoker	1.20 (0.70, 2.06)	1.33 (0.89, 1.97)	0.74 (0.49, 1.12)
Living alone	0.53 (0.25, 1.11)	1.37 (0.91, 2.07)	1.52 (0.97, 2.36)
Years of education (ref: none)
1 – 3	0.58 (0.28, 1.21)	0.77 (0.50, 1.19)	0.77 (0.47, 1.28)
4 – 7	0.91 (0.47, 1.73)	1.19 (0.76, 1.85)	0.95 (0.57, 1.58)
>8	0.71 (0.35, 1.43)	0.77 (0.39, 1.49)	0.62 (0.31, 1.23)

^⁎p<0.05.

^⁎⁎p<0.01.

^⁎⁎⁎p<0.001.

The proportional hazards assumption was checked and confirmed in all models by the Schoenfeld residuals test.