Intention to reduce dietary salt and its influencing factors in middle-aged and older hypertensive patients: a theory of planned behavior-based cross-sectional study

BackgroundExcessive dietary salt intake is a key controllable risk factor for hypertension. Despite the clear clinical benefits of reducing salt intake, overcoming the “knowledge-action” gap among patients with hypertension poses a significant public health challenge. The Theory of Planned Behavior (TPB) is a powerful framework for understanding the psychological factors that influence behavior...