Fig. 3

Association between nighttime-daytime sleep duration patterns and prevalence of different chronic diseases in habitual nappers only. Association between nighttime-daytime sleep duration patterns and prevalence of (a) any of the chronic disease, (b) diabetes, (c) cardiovascular diseases, (d) dyslipidemia, (e) cancer, (f) arthritis in the whole population. * P < 0.05, ** P < 0.01. Multivariable adjusted factors: adjusted for age, gender, BMI, PAL, smoking status, alcohol consumption and arthritis (not adjusted for arthritis in the association between sleep patterns and arthritis