Figure 2. Stratified Analyses by Potential Modifiers of the Association Between Dietary Niacin Intake and New-Onset Hypertension.

^aIncident rate is presented per 1000 person-years of follow-up.

The model was adjusted, if not stratified, for age, sex, body mass index, smoking status, systolic blood pressure, diastolic blood pressure, region, education, and occupation, as well as energy intake and sodium to potassium intake ratio.