Abstract
To analyze the access channels on nutritional health knowledge of Chinese residents aged 18-64 years in 2021. A multi-stage cluster random sampling was used to select 302 survey sites across the country, there were 102 398 people surveyed, with 98 424 valid questionnaires, 49.4% male and 42.0% urban, with an average age of(38.5±12.2) years old. A standardized questionnaire certified by experts and evaluated for reliability and validity was used to conduct the face-to-face survey. Descriptive statistics were used to report the access channels on nutrition and health knowledge of respondents, and the proportion of access channels of respondents with different characteristics was compared by chi-square test. The access channels on nutrition and health knowledge of Chinese residents aged 18-64 in 2021 were, in descending order, WeChat/Microblog/Tik Tok/Kuaishou and other software(77.0%), TV/radio(55.7%), family/relatives/friends(41.8%), books/newspapers/journals/magazines(32.5%), website search(30.7%), promotional lectures(29.3%) and other(1.9%). A high proportion of people who access nutrition and health knowledge through software, website searches and books/newspapers were mostly from the lower age groups, higher education groups, urban and eastern regions. People with a high proportion of access through TV/radio, family/relatives/friends and promotional lectures were mostly from the higher age groups, lower education groups, rural and western areas(P<0.001). Women are more likely than men to obtain nutrition and health information from all channels except website search. The higher the level of education, the higher the level of concern for nutrition and health knowledge(P<0.001). In 2021, the top access channel for Chinese residents aged 18-64 to obtain nutrition and health knowledge is WeChat/Microblog/Tik Tok/Kuaishou and other software. There are differences in access channels for different groups of people.
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