Status of exposure to television advertising of sugar sweetened beverages among children and adolescents in Beijing
Objective To investigate the exposure to television advertising of sugar sweetened beverages and the use of persua-sive marketing techniques among children and adolescents in Beijing,so as to provide evidence for reduing children's intake of sugar sweetened beverages.Methods From October 19,2020 to November 16,2021,32 days were randomly selected.The top four popular channels of children and adolescents aged 3-18 years were defined.Each channel was monitored from 6:00:00 to 23:59:59 for each date.A total of 2 304 h was recorded.Advertisements involving sugar sweetened beverages broadcast before,during or after the program were included.The frequency and the use of persuasive marketing techniques were analyzed.Results A total of 1 237 advertisements for sugar sweetened beverages were included,of which 50.93%were dairy beverages,28.38%were tea-based beverages,and 19.48%were vegetable protein beverages.The average frequency of sugar sweetened beverages advertise-ments on every channel was(0.62±1.29)piece/h.The frequency of sugar sweetened beverages advertisements on every local chan-nel[(1.04±1.35)piece/h]and children's channel[(1.11±1.61)piece/h]was separately higher than every national channel[(0.48±1.24)piece/h]and general channel[(0.12±0.48)piece/h](t=-14.05,31.64,P<0.01).There were seasonal differences in television advertising of sugar sweetened beverages,and were more frequent during lunch and dinner times.The most frequently used persuasive marketing techniques were"images of children"(74.54%),"nutritional message"(61.76%),"product composi-tion details"(58.61%),"nutrition claim"(57.24%),and"nutrition function claim or other function claim"(53.11%).Conclu-sions Children and adolescents are often exposed to television advertisement of sugar sweetened beverages on children's channels and during meal times.There is an urgent need to formulate relevant policies to regulate the marketing of sugar sweetened beverages advertisement and reduce children and adolescent's intake.