Table 2.

Cox’s proportional-hazards models for predicting 3-year all-cause mortality among 935 Chinese oldest old.

Variables	Values	Crude	Model 1 OR(95%CI)	Model 2 OR(95%CI)	Model 3 OR(95%CI)	Final model OR(95%CI)
Abnormally higher LDL-C	0=low 1=abnormally higher	0.65(0.41–1.03)	0.60(0.38–0.96)*	0.60(0.38–0.96)*	0.64(0.40–1.00)*	0.60(0.37–0.95)*
Sex	0=female 1=male	-	1.32(1.05–1.65)*	1.32(1.03–1.67)*	1.36(1.06–1.74)*	1.40(1.09–1.79) â
Age	0=80–89 1=90–99 2=100-	-	1.69(1.49–1.91) â	1.69(1.49–1.91) â	1.42(1.24–1.63) â	1.38(1.20–1.60) â
Marital status	0=in marriage 1= not in marriage	-	1.62(1.17–2.25) â	1.62(1.17–2.25) â	1.50(1.08–2.08)*	1.49(1.07–2.08)*
Current smoking	0=no 1=yes	-	-	1.04(0.78–1.38)	1.07(0.80–1.43)	1.09(0.81–1.46)
Current alcohol drinking	0=no 1=yes	-	-	1.02(0.78–1.33)	1.05(0.81–1.37)	1.08(0.83–1.40)
Tea drinking	0=no 1=yes	-	-	0.91(0.72–1.15)	0.93(0.73–1.17)	0.85(0.67–1.09)
Central obesity	0=no 1=yes	-	-	-	0.65(0.53–0.80) â	0.64(0.52–0.79) **
Cognitive Impairment	0=no 1=yes	-	-	-	1.50(1.21–1.86) **	1.58(1.27–1.96) **
ADL restriction	0=no 1=yes	-	-	-	1.56(1.25–1.95) **	1.57(1.26–1.97) **
Blindness	0=no 1=yes	-	-	-	1.38(1.06–1.78)*	1.42(1.09–1.83)**
Anemia	0=no 1=yes	-	-	-	-	1.13(0.93–1.34)
Hypertension	0=no 1=yes	-	-	-	-	0.94(0.78–1.14)
Diabetes	0=no 1=yes	-	-	-	-	0.87(0.62–1.22)
CKD	0=no 1=yes	-	-	-	-	1.55(1.28–1.89)**
Abnormal HDL-C	0=normal 1=abnormal	-	-	-	-	1.09(0.88–1.36)

Abbreviations: ADL=activities of daily living; CKD=chronic kidney disease; HDL-C=high-density lipoprotein cholesterol; LDL-C=low-density lipoprotein cholesterol; Abnormal HDL-C level was defined as <1.04 mmol/L; Abnormally high LDL-C level was defined as ≥3.37 mmol/L.

^*P<0.05

^**P<0.01.