Table 3.

HRs and 95% CIs for all-cause and disease-specific mortalities by sleep duration in gender-stratified analyses within the Korean Multi-center Cancer Cohort study

HR, hazard ratio; CI, confidence interval; CVD, cardiovascular disease; ICD-10, the 10th revision of the International Classification of Disease.

¹HRs and 95% CIs were based on Cox's proportional hazard model, adjusting for age, educational attainment, body mass index, cigarette smoking, alcohol consumption, past history of hypertension, type 2 diabetes, CVD and metabolic syndrome.

²p-value for the non-linear relation between sleep duration and mortality tested by restricted cubic splines.

³ICD-10 codes of A00-Z99.

⁴ICD-10 codes of I00-I99.

⁵ICD-10 codes of C00-C99.

⁶ICD-10 codes of J00-J99, A15-A19.

⁷ICD-10 codes of S00-S99, T00-T99, and V01-X59.

⁸ICD-10 codes of R00-R99.