Skip to main content

Table 4 Competing Risk Models and Cox Proportional Hazard Models of Frailty and Incident Dementia in Two Age Groups*

From: The association between frailty and incidence of dementia in Beijing: findings from 10/66 dementia research group population-based cohort study

Frailty definitionLower quartile of age(N = 538)Upper three quartiles of age(N = 1484)
Competing risk model
HR (95% CI)
Cox proportional hazards model
HR (95%CI)
Competing risk model
HR (95% CI)
Cox proportional hazards model
HR (95%CI)
Modified Fried Frailty Phenotype
 No frailty1.001.001.001.00
 Frailty0.89(0.23, 3.50)0.96(0.16, 5.61)1.25(0.75, 2.08)1.28(0.77, 2.15)
Physical Frailty
 No frailty1.001.001.001.00
 Frailty1.94(0.481, 7.80)2.13(0.48, 9.37)1.28(0.83, 1.96)1.38(0.92, 2.08)
Multidimensional Frailty
 No frailty1.001.001.001.00
 Frailty1.52 0.47, 4.86)1.643(0.46, 5.84)1.61 (1.06, 2.43)1.76(1.19, 2.61)
  1. N Number of participants; HR Hazard Ratio; CI Confidence interval
  2. *Risk of incident dementia is adjusted age, gender, education level, physical multimorbidity, walking distance per week, smoking status alcohol use
\