The findings show that higher nutrition knowledge is associated
with better diet quality and lower blood pressure in a manufacturing
working population evenwith adjustment for health status, lifestyle behaviours
and socio-demographic characteristics. To the contrary of our
original hypothesis, we did not find that the association between nutrition
knowledge and hypertension was largely mediated by diet quality
(DASH score). While the inter-relations between nutrition knowledge,
diet quality and health outcomes such as blood pressure are complex,
these findings highlight the value of nutrition education as a component
of workplace dietary interventions. In addition to nutrition education,
futureworkplace dietary interventions need to implement and evaluate
long-term multi-level complex interventions that consider psychological
and environmental factors to reduce the burden of hypertension
and other diet-related diseases.