期刊
FRONTIERS IN PUBLIC HEALTH
卷 8, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fpubh.2020.619261
关键词
sodium reduction; health communication; evaluation; health disparities; cardiovascular disease; mass media
资金
- City of Philadelphia
- Centers for Disease Control and Prevention, U.S. Department of Health and Human Services [1U58DP003557]
- Get Healthy Philly, an initiative of the Philadelphia Department of Public Health
- National Institute of Minority Health and Health Disparities, NIH [R25MD006792]
- Philadelphia Department of Public Health
Utilizing radio and transit ads for health education campaigns can effectively increase awareness of the link between dietary sodium, hypertension, and stroke among priority populations, such as African Americans, and encourage reduced consumption of high sodium foods.
Excess dietary sodium contributes to the burden of chronic disease, including cardiovascular disease and stroke. Media-based health education campaigns are one strategy to raise awareness among populations at greater risk for stroke, including African Americans. During 2014-2015, the Philadelphia Department of Public Health conducted a health education campaign using radio, print news, and transit ads, to promote awareness of the link between dietary sodium, hypertension and stroke, and encourage reduced consumption of high sodium foods. Using a repeated cross-sectional design, street intercept surveys were conducted with similar to 400 Philadelphia residents representing the campaign's priority audience (African Americans ages 35-55) before and 6-13 weeks after the campaign, to evaluate both process (campaign exposure) and impact (recall of key health messages). Thirty percent of post-campaign respondents reported familiarity with one of the most engaging radio spots, and 17% provided accurate unaided recall of its key content, with greater recall among older respondents and frequent radio listeners. Forty-one percent of post-campaign respondents named stroke as a consequence of excess salt consumption, compared to only 17% of pre-campaign respondents, with greater awareness of the salt-stroke connection among those accurately recalling the radio spot from the campaign. Results suggest that priority populations for sodium reduction can be effectively reached through radio and transit campaigns. From a pragmatic perspective, street intercept surveys may offer one low resource strategy for evaluating public health education campaigns conducted by local health departments, especially among urban populations.
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