Figure 1.
Multivariable-adjusted hazard ratios of sleep duration with risk of type 2 diabetes, evaluated by restricted cubic splines from Cox proportional hazards models. The models are adjusted for age, sex, regular exercise, alcohol consumption, smoking status, family history of diabetes, waist circumference, hypertension, hyperlipidemia, triglyceride, fasting plasma glucose, and 2 h post-load glucose.