Mass media interventions: effects on health services utilisation.

Area of Science:

• Health Communication
• Public Health Interventions
• Health Services Research

Background:

• Mass media are primary sources of health information for the public.
• Health information disseminated through media influences health professionals and patients.
• Understanding media's impact on health service use is crucial for public health strategies.

Purpose of the Study:

• To systematically assess the effects of mass media on health service utilization.
• To evaluate the effectiveness of mass media campaigns in promoting or discouraging specific health behaviors.

Main Methods:

• Comprehensive literature search across multiple databases (Cochrane, MEDLINE, EMBASE, etc.) and hand-searched journals.
• Included randomized trials, controlled clinical trials, controlled before-and-after studies, and interrupted time series analyses.
• Data extraction and quality assessment performed independently by two reviewers.

Main Results:

• Seventeen studies (all interrupted time series) were included, evaluating formal campaigns or media coverage.
• Despite variable methodological quality and statistical limitations in some studies, most concluded mass media was effective.
• Pooled analysis showed significant effects on health service utilization, such as immunisation and cancer screening.

Conclusions:

• Mass media channels can effectively influence the uptake of health care interventions.
• Consideration of mass media is recommended for promoting evidence-based practices and discouraging ineffective ones.
• Further research with robust methodologies is needed to fully understand media's role in health service utilization.