Figure 1.

Weighted estimates. Standard population based on age distribution of census of 2000, NHIS 2004–2011. A: Age-adjusted diabetes prevalence by sleep duration for blacks and whites. B: Mean predicted probability of diabetes by hours of sleep among blacks and whites. Postestimation means adjusted for age-group, sex, household income, poverty status, education, occupation, class of work, employment status, alcohol consumption, smoking status, leisure-time physical activity, marital status, standard BMI categories, heart disease, and hypertension (and excluding participants with chronic limiting depression, anxiety, or emotional problems).