Table 1.

The health belief model and derived intervention used in this project.

Domains of HBM	Features of the intervention in this project according to the HBM	Intervention
1. Perceived susceptibility, severity	Improving the awareness of: a. How much salt is consumed b. High salt intake worsens health and diseases caused by high salt intake	a. Health education materials - Posters- Calendars - Stickers for placing on salt containers
2. Perceived benefit, barriers, cues to action	Providing the information and cues about: a. The benefits of consuming less salt b. The effects of low-sodium salt c. Removing concerns that low salt intake would result in no energy to work. d. To create a salt-reduction atmosphere and tell them how to reduce salt intake (knowledge and behaviors)	b. Health education activities - Program launch events - Activities organized in consideration of local context - Activities for individuals at elevated risk of cardiovascular disease - Student-to-parent education activities
3. Perceived self-efficacy	Organizing activities to help them improve their self efficacy: a. To carry out activities to encourage their beliefs and behaviors for salt reduction	c. Low-sodium salt substitute supply