Supplemental Table 1:

Details related matching and sensitivity analyses by phase-of-care

Phase-of-care	Included for the following group(s)	Phase length	Were covariates hard matched at the beginning of the phase? If so, the following covariates were included	Sensitivity analyses
Pre-diagnosis care	All	Up to 9 months	No, same match from the initial phase was used	None
Initial care	All	Up to 6 months	Yes, covariates included: Age group Sex Immigrant status Index year Rurality Neighborhood income quintile Comorbidities Pregnancy	Varied the phase length ± 2 months
Continuing care	All	0 to 106 months	No, same match from the initial phase was used	None
HBV-related complication	Cohort with HBV-related complications post index date	Up to 6 months	No, same match from the initial phase was used	Hard matched on the same covariates in the initial care match except for comorbidities and pregnancy
Continuing care for HBV-related complication	Cohort with HBV-related complications post index date	0 to 106 months	No, same match from the initial phase was used	None
Final care	All	3 months	Yes, covariates included: Age group Sex Immigrant status Index year Rurality Neighborhood income quintile	Varied the phase length ±2 months