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. Author manuscript; available in PMC: 2020 Jun 15.
Published in final edited form as: Am J Cardiol. 2019 Mar 18;123(12):1972–1977. doi: 10.1016/j.amjcard.2019.03.015

Table 2.

Hazard Ratio (95% Confidence Interval) for the association of smoking and heart failure

HF HFrEF HFpEF
Model 1 Model 2 Model 3 Model 1 Model 2 Model 3 Model 1 Model 2 Model 3
Smoking Status
Never l (ref) l (ref) l (ref) l (ref) l (ref) l (ref) l (ref) l (ref) l (ref)
Former 1.18 (0.91, 1.53) 1.17 (0.88, 1.56) 1.11 (0.83, 1.48) 1.02 (0.64, 1.61) 1.05 (0.62, 1.79) 0.97 (0.57, 1.64) 1.56 (0.97, 2.50) 1.36 (0.81, 2.27) 1.29 (0.77, 2.15)
Current 1.73 (1.19, 2.52) 2.05 (1.36, 3.09) 1.80 (1.19, 2.73) 2.21 (1.26, 3.88) 2.58 (1.27, 5.25) 2.11 (1.06, 4.21) 1.97 (0.95, 4.07) 2.51 (1.15, 5.49) 2.25 (1.04, 4.90)
Smoking Intensity (Cigarettes/Day) Among Current Smokers
1 – 9 l (ref) l (ref) l (ref) l (ref) l (ref) l (ref) l (ref) l (ref) l (ref)
10 – 20 0.70 (0.36,1.37) 0.59 (0.27,1.27) 0.55 (0.25,1.19) 1.20 (0.42,3.43) 1.08 (0.29,4.02) 0.79 (0.22,2.84) 0.62 (0.16,2.4 1) 0.102 (0.004,2.778) 0.071 (0.001,6.636)
>20 0.42 (0.12,1.49) 0.57 (0.15,2.12) 0.48 (0.12,1.85) 0.43 (0.04,4.28) 0.84 (0.07,9.65) 0.61 (0.05,7.74) 1.09 (0.15,8.01) 5.80 (0.89,37.80) 7.01 (0.04,1297.0)
p-value for trend 0.13 0.21 0.13 0.67 0.97 0.63 0.91 0.76 0.83
Smoking Burden (pack-years) Among Current and Former Smokers
Tertile 1: <8 l (ref) l (ref) l (ref) l (ref) l (ref) l (ref) l (ref) l (ref) l (ref)
Tertile 2:8 – 25 1.05 (0.70, 1.57) 1.00 (0.64, 1.55) 0.96 (0.62, 1.49) 0.85 (0.44, 1.66) 0.89 (0.42, 1.90) 0.81 (0.36, 1.79) 0.96 (0.46, 2.00) 0.87 (0.40, 1.90) 0.86 (0.39, 1.88)
Tertile 3: >26 1.21 (0.83, 1.79) 1.16 (0.76, 1.77) 1.04 (0.68, 1.60) 0.86 (0.44, 1.68) 0.99 (0.46, 2.16) 0.74 (0.33, 1.64) 1.13 (0.58, 2.23) 0.98 (0.47, 2.03) 0.89 (0.43, 1.86)
p-value for trend 0.33 0.48 0.82 0.67 1.00 0.47 0.71 0.96 0.78
Time Since Quitting (quit-years) Among Former Smokers
Tertile 1: <16 l (ref) l (ref) l (ref) l (ref) l (ref) l (ref) l (ref) l (ref) l (ref)
Tertile 2: 16 – 28 0.89 (0.57,1.41) 0.76 (0.46,1.25) 0.83 (0.50,1.38) 1.07 (0.43,2.69) 1.02 (0.33,3.12) 1.28 (0.44,3.72) 0.77 (0.34,1.75) 0.61 (0.25,1.48) 0.65 (0.25,1.65)
Tertile 3: >29 0.62 (0.39,0.97) 0.66 (0.41,1.06) 0.71 (0.44,1.14) 0.93 (0.37,2.30) 0.95 (0.31,2.94) 1.10 (0.38,3.16) 0.68 (0.32,1.46) 0.77 (0.34,1.71) 0.81 (0.36,1.80)
p-value for trend 0.03 0.09 0.16 0.85 0.93 0.89 0.33 0.58 0.66

- Model 1: Age, sex, race/ethnicity

- Model 2: Age, sex, race/ethnicity, education, BMI, SBP, antihypertensive medication, LDL-C, HDL-C, lipid-lowering medication, DM, moderate-vigorous physical activity, Mediterranean diet, salt intake, alcohol use

- Model 3: Age, sex, race/ethnicity, education, BMI, SBP, antihypertensive medication, LDL-C, HDL-C, lipid-lowering medication, DM, moderate-vigorous physical activity, Mediterranean diet, salt intake, alcohol use, hsCRP, CAC

- Bolded results are significant