TABLE 2.

Results of sensitivity analyses (log-link Poisson regression and Cox proportional hazard regression).

Cardio-cerebrovascular diseases	Starting date for follow-up of the controls (June 4, 2020)
Ischemic heart disease I20–I25
Adjusted IRR (95 CI)*	1.78 (1.57–2.02)
Adjusted IRR (95 CI)†	1.60 (1.36–1.85)
Adjusted HR (95 CI)‡	3.02 (2.19–4.17)
Cerebral hemorrhage I60–I62
Adjusted IRR (95 CI)*	2.06 (1.25–3.40)
Adjusted IRR (95 CI)†	2.02 (1.09–3.73)
Adjusted HR (95 CI)‡	4.08 (0.90–19.19)
Cerebral infarction I63
Adjusted IRR (95 CI)*	1.08 (0.84–1.40)
Adjusted IRR (95 CI)†	0.96 (0.71–1.30)
Adjusted HR (95 CI)‡	1.29 (0.54–3.07)

IRR, incidence rate ratio; HR, hazard ratio. *Adjusted for age and sex. ^†Adjusted for age, sex, residence area and income level. ^‡Adjusted for demographic variables, health behaviors, anthropometric values, and covariates.