Table 2.

The related factors with the risk of the all-cause death in CVD population.

Variables	Model 1	P	Model 2	P	Model 3	P
	HR (95%CI)		HR (95%CI)		HR (95%CI)
Coffee
<1 cup per day	Ref		Ref		Ref
1–3 cups per day	1.425 (1.422–1.428)	<0.001	1.064 (1.062–1.066)	<0.001	1.093 (1.091–1.095)	<0.001
≥4 cups per day	1.261 (1.258–1.264)	<0.001	1.271 (1.268–1.274)	<0.001	1.389 (1.385–1.393)	<0.001
Caffeine	0.982 (0.982–0.983)	<0.001	1.103 (1.102–1.103)	<0.001	1.106 (1.105–1.106)	<0.001
Iced tea
<1 cup per day	Ref		Ref		Ref
1–3 cups per day	1.248 (1.246–1.251)	<0.001	1.211 (1.208–1.213)	<0.001	1.279 (1.276–1.282)	<0.001
≥4 cups per day	1.086 (1.083–1.090)	<0.001	1.795 (1.789–1.801)	<0.001	1.639 (1.632–1.645)	<0.001
Hot tea
<1 cup per day	Ref		Ref		Ref
1–3 cups per day	1.054 (1.052–1.057)	<0.001	0.838 (0.836–0.840)	<0.001	0.944 (0.941-0.946)	<0.001
≥4 cups per day	1.011 (1.005–1.017)	<0.001	1.543 (1.534–1.552)	<0.001	1.529 (1.520–1.538)	<0.001
Decaffeinated coffee
Almost never	Ref		Ref		Ref
About a quarter to three quarters of the time	0.761 (0.760–0.763)	<0.001	0.841 (0.839–0.842)	<0.001	0.869 (0.867–0.871)	<0.001
Always	0.909 (0.907–0.910)	<0.001	0.765 (0.764–0.767)	<0.001	0.787 (0.786–0.789)	<0.001
Decaffeinated iced tea
Almost never	Ref		Ref		Ref
About a quarter to three quarters of the time	0.422 (0.421–0.423)	<0.001	0.644 (0.634–0.646)	<0.001	0.697 (0.695–0.698)	<0.001
Always	0.760 (0.758–0.761)	<0.001	0.774 (0.773–0.776)	<0.001	0.772 (0.771–0.774)	<0.001
Decaffeinated hot tea
Almost never	Ref		Ref		Ref
About a quarter to three quarters of the time	0.503 (0.502–0.504)	<0.001	0.600 (0.598–0.601)	<0.001	0.611 (0.609–0.612)	<0.001
Always	0.934 (0.932–0.936)	<0.001	0.905 (0.903–0.906)	<0.001	0.943 (0.941–0.945)	<0.001

HR, hazard ratios; CI, confidence interval.

Model 1: unadjusted.

Model 2: adjusted for age and BMI.

Model 3: adjusted for age, BMI, cancer, eGFR, energy, the history of CVD medications, carbohydrate and family PIR.