Table 5.

Cox regression hazard model for mortality risk according to frailty and cognitive status adjusted by age, sex and education, N=1,946

	Model 1 HR (95% CI)	Model 2 HR (95% CI)	Model 3 HR (95% CI)
Pre-frail	1.30* (0.98–1.71)	1.32* (0.99–1.76)	1.40* (0.98–2.16)
Frail	1.56** (1.10–2.23)	1.47** (1.01–2.14)	1.45** (1.04–1.90)
≥75 years	4.34*** (3.53–5.34)	4.09*** (3.29–5.10)	4.33*** (3.45–5.44)
Women	0.55*** (0.49–0.68)	0.54*** (0.44–0.67)	0.55*** (0.43–0.68)
MCI		1.62** (1.01–2.61)	1.58* (0.97–2.59)
Dementia		1.96*** (1.233–0.11)	2.04*** (1.27–3.24)
Education <8 years			1.42 (0.989–2.06)

Notes:

^*P<0.10,

^**P<0.05,

^***P<0.01. Reference categories: age <75 years; education ≥8 years.

Abbreviations: HR, hazard ratio; MCI, mild cognitive impairment.