Figure 2.

Means of EQ-5D index score, according to chronotype and weekend CUS. The bars from left to right are quintile of MSFsc: Q1 (lowest), Q2, Q3, Q4, and Q5 (highest). Means are adjusted for Charlson comorbidity index, sex, BMI, physical activity, alcohol consumption, smoking status, household incomes, education level, marital status, and weekday sleep duration. ^∗P-value < .05. BMI = body mass index, CUS = catch-up sleep, EQ-5D = European quality of life scale-5 dimensions, MSFsc = midpoint of sleep on free days corrected for sleep extension on free days.