Figure 1.

Associations of estimated total sleep duration per day with all-cause mortality and major cardiovascular events. (A) Adjusted for age, sex, and centre as random effect. (B) Adjusted for age, sex, education attainment, smoking status, drinking status, urban or rural residency, family history of cardiovascular diseases (coronary heart disease and stroke), the history of diabetes, hypertension and chronic obstructive pulmonary disease, depression, and centre as random effect. CI, confidence interval; CVD, cardiovascular disease; HR, hazard ratio. Incidence: per 1000 person-years.