Table 3 Joint association of CHARLS modified frailty index (CMFI) and biological age (BA) for COPD.

From: Joint association of frailty index and biological age with chronic obstructive pulmonary disease: a cohort study from CHARLS

 

Low BA

High BA

Effect of BA within CMFI

OR (95%CI)

OR (95%CI)

Low CMFI

ref

1.37(1.02,1.83)

1.37(1.02,1.83)

High CMFI

1.88(1.44,2.45)

2.48(1.89,3.26)

1.32(1.04,1.69)

RERI

0.23(-0.34,0.80)

  

AP

0.09(-0.13,0.32)

  

SI

1.19(0.76,1.86)

  
  1. Low BA (< 56.55), High BA (≥ 56.55), Low CMFI (< 0.097), High CMFI (≥ 0.097).
  2. Adjusted for sex, age, body mass index, marital status, residence place, education, smoking, drinking.
  3. RERI, relative excess risk due to interactions; AP, attributable proportion of interaction; synergy index, SI.
Back to article page