Table 4.

Stratified analysis by age group evaluating the effect of smoking status on risk for 14-Day Hospitalization from COVID-19.

-	Age 18–40 OR (95% CI)	Age 41–64 OR (95% CI)	Age ≥ 65 OR (95% CI)
N(%)	4327(42.4)	4171(40.8)	1718(16.8)
Characteristics	-	-	-
Smoking (ref = never smoker)	-	-	-
Former smoker	1.01 (0.41–2.46)	1.05 (0.77–1.42)	1.08 (0.81–1.43)
Current smoker	0.51 (0.18–1.44)	0.50 (0.28–0.89)	0.50 (0.24–1.03)

Adjusted for Age, Gender, Race, BMI, Comorbidity Count, and Previous Year Inpatient Hospital Admission.

Definition of Abbreviations: OR= Odds Ratio; CI = confidence Interval; COVID-19 = Coronavirus Disease 2019; BMI= Body Mass Index; Ref = Reference; IP= Inpatient.