Relationship between dietary thiamine, riboflavin, and niacin intake and hypertension subtypes: A cross-sectional study from the 1999–2023
Fig 5
Correlation between dietary niacin intake and isolated systolic hypertension based on general characteristics.
B3 denotes dietary niacin intake; BMI denotes body mass index (kg/m2); P for interaction values are shown; Dietary niacin intake and weighted dose-response associations with isolated systolic hypertension across subgroups. Trend P-values were calculated via logistic regression using quartile medians as continuous variables; interaction P-values derived from likelihood ratio tests comparing models with and without interaction terms.