Table 3.

Association between frailty and adverse outcomes (3-year follow-up) according to Cox regression models.

	Mortality		Hospital readmission
	No frailty	Frailty	No frailty	Frailty
Unadjusted
HR (95% CI) P	Reference (1)	2.18 (1.27–3.74) 0.005	Reference (1)	1.45 (1.08–1.94) 0.013
Adjusted model 1*
HR (95% CI) P	Reference (1)	2.17 (1.26–3.76) 0.006	Reference (1)	1.44 (1.07–1.93) 0.016
Adjusted model 2**
HR (95% CI) P	Reference (1)	2.09 (1.20–3.63) 0.009	Reference (1)	1.40 (1.04–1.88) 0.026

Note: *Adjusted model 1: Age, sex, education.

**Adjusted model 2: Age, sex, education, BMI, body mass index, marital status, alcohol intake.