Abstract
to evaluate the effectiveness of the board game "Mural de Risco" (Risk Wall) on the prevention of the Human Immunodeficiency Virus/AIDS in the knowledge of people aged 50 and over in a school context. randomized controlled trial, with two arms, carried out in 18 schools with 100 people in Youth and Adult Education. A validated illustrated instrument was used to assess knowledge. The educational intervention took place in groups of 3 to 5 participants, with the "Mural de Risco" game, in which the participants judged the images that represented a lot, little or no risk of HIV infection. McNemar's test was applied to the distribution of correct answers. there was a significant increase in the mean scores in the intervention group between baseline and the 30th day (p=0.001), which did not occur in the control group (p=0.953). the game was effective in increasing the knowledge of people aged 50 and over about the prevention of the Human Immunodeficiency Virus/AIDS. Brazilian Registry of Clinical Trials: RBR-5w9tx9. BACKGROUND: (1) In Brazil and around the world, there are high HIV/aids rates among older adults. BACKGROUND: (2) The board game is a low-cost, easily accessible educational resource. BACKGROUND: (3) The board game contains images of older adults in everyday situations. BACKGROUND: (4) The "Mural de Risco" (Risk Wall) game was validated by experts and evaluated by the target audience. BACKGROUND: (5) The game can be used by nurses in health education activities.