To understand the influenza vaccination rate and related factors of children in Xiqing District of Tianjin, so as to provide a scientific basis for improving the influenza vaccination coverage rate among children.

A stratified random cluster sampling method was employed to select junior high school students and below students from 15 schools in five directions(east, west, south, north, midland) in Xiqing District, Tianjin, involving 13 075 students. A questionnaire survey was conducted among parents of students to analyze the influenza vaccination rate of children in 2023-2024 flu season (October to March of the following year). A binary Logistic regression model was used to analyze the factors affecting influenza vaccination.

The influenza vaccination rate was 16.66% for children in Xiqing District of Tianjin, in 2023-2024 flu season, among them, the vaccination rate in kindergartens was the highest (28.86%), followed by primary schools (18.87%) and junior high schools (12.61%). Binary Logistic regression analysis showed that having received the influenza vaccine during the 2020-2022 (OR=10.55, 95%CI=9.48-11.73), parents' awareness of influenza-related knowledge (OR=1.38, 95%CI=1.24-1.54), kindergarten children (OR=2.33, 95%CI=1.91-2.83), primary school students (OR=1.26, 95%CI=1.12-1.42), parents with a postgraduate degree or above (OR=1.62, 95%CI=1.13-2.31), and a monthly average family income of 10 000- < 20 000 yuan (OR=1.67, 95%CI=1.41-1.99) were positive correlation factors with influenza vaccination of children (P < 0.05). Among parents of children who have not received the flu vaccine, 61.61% fully accepted flu vaccination or accepted but still considered. The most popular way for parents to obtain flu knowledge was flu prevention and control information from professional institutions during the flu season (77.38%).

The influenza vaccination rate among kindergarten, as well as primary and junior high school students in Xiqing District of Tianjin is low. Promotion of influenza vaccination among children and increase the vaccination rate of influenza among children might help reduce the risk of campus flu outbreak.