Fig. 1From: Relationship of sleep duration with incident cardiovascular outcomes: a prospective study of 33,883 adults in a general populationCubic spline curves for the relationship between sleep duration and incident CVD in participants ≥ 50y (A: all participants, B: participants without any health conditions, C: participants with one or more health conditions). The model is adjusted for age, gender, marital status, education level, occupation, smoking, drinking, physical activity, BMI, sleep medication, and depression. HR: hazard ratio. 8 h/day is used as the referenceBack to article page