mDASHNa-CC APP to Support a Healthy Diet and Hypertension Control for Chinese Canadian Seniors

Design, Usability Testing, and Feasibility Testing of a Smartphone App (mDASHNa-CC) to Support Healthy Diet and Hypertension Control for Chinese Canadian Seniors

The aim of this proposed study is to translate the Dietary Approach to Stop Hypertension with Sodium (Na) Reduction for Chinese Canadian (DASHNa-CC), a classroom-based antihypertensive dietary educational intervention, to an innovative smartphone app (mDASHNa-CC) to enable Chinese Canadian seniors' access to this antihypertensive dietary intervention anytime, regardless of where they are.

Inclusion Criteria:

• have a systolic blood pressure higher than 140 mmHg, or a diastolic blood pressure higher than 90mmHg, or are on antihypertensive medications, based on pre-intervention baseline assessment
• are able to understand (listen) and speak in Mandarin or Cantonese, read and write in Chinese
• have access to a smartphone

Exclusion Criteria:

• have special dietary requirements
• are a household member of another mDASHNa-CC participant
• plan to leave the area prior to the anticipated end of study