The Influence of Junk Food Advertising Exposure and Consumption on the Nutritional Status of Overweight and Obesity among Adolescents in Surabaya
Keywords:
Advertisement, Junk Food, Fast Food, Obesity, AdolescentAbstract
The prevalence of overweight and obesity among adolescents continues to increase, partly due to high consumption of junk food influenced by exposure to advertising. This study aims to determine the frequency of exposure to junk food advertising among seventh and eighth grade students at SMPN 38 Surabaya and its relationship to nutritional status.
This analytical observational research employed a cross-sectional design, conducted in 2025, involving 81 participants selected using simple random sampling based on the Slovin formula. Data were collected using a Food Frequency Questionnaire (FFQ) and analyzed with the chi-square test at a 95% confidence level (p < 0.05). The results revealed that the majority of participants (45.7%) were overweight, and 65.4% had a high consumption of junk food. There was a significant association between exposure to advertisements and junk food consumption (p = 0.033), junk food consumption and nutritional status (p = 0.018), and exposure to advertisements and nutritional status (p = 0.004). In conclusion, exposure to junk food advertisements is significantly associated with increased junk food consumption, which ultimately elevates the risk of obesity among adolescents.
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Copyright (c) 2025 Karina Ramadany, Fahmi Hafid, Ani Intiyati, Inne Soesanti
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