Meta-analysis: Effect of health media types on children's knowledge about balanced nutrition

Imbalance in food intake has become a problem that often arises in nutrition. This can occur in various age groups, including school-age children, and impacts malnutrition or overweight (obesity). Knowledge of nutrition plays an important role in determining the health status of the community, especially children. Health media is one of the solutions to increase knowledge. The types of health media that are often used are lash cards and poster media. To determine the effect of the type of health media on children's knowledge about balanced nutrition. A meta-analysis study using a pre-test-post-test design using a control group. The data was obtained from Google Scholar, PubMed, and the Garuda portal databases. 10 Journals were selected according to the inclusion criteria. Statistical test using revman 5.4. The effect off picture card media on children's knowledge was Z = 3.13 p = 0.0025, 95% Conidence Interval (CI) = 0.48-2.07, meanwhile poster media was Z = 1.7 p = 0.09, 95% CI = -0.05 -0.71. Picture card media was more effective than the control group. Poster media did not differ in effectiveness compared to the control group.