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To understand intake frequency of sugar-sweetened beverages (SSBs) and the consumption habit among primary and secondary students. To explore the relationship of SSBs cognition and behavior，and to provide a basis for reducing students’ intake of SSBs.
A multi-stage sampling process was employed to select subjects from primary and middle school in Shenzhen. Network questionnaire survey was conducted to collecting information in September and October, 2021. Spearman rank correlations was used to analyze relationships of various types of SSBs consumption frequency. Multivariable linear regression model was used to examine the relationship between SSBs cognition score and consumption frequency score. Hierarchical analysis to explore the interactions.
A total of 16 840 primary and secondary students aged 6 to 18 years old were included. The prevalence of SSBs consumption at least 3 time/week was 58.9%, the grades 1-3, 4-6 and middle school students were 52.3%, 60.3% and 67.6%. Parents (73.3%) were the main buyers of SSBs, convenience stores (73.7%) were the main places and delicious (77.2%) was the major cause of choices. There was a positive correlation between the intake frequency of different types of SSBs (P<0.001). The results of multivariate linear regression showed that the higher the cognition was, the lower the intake frequency of SSBs was (β=0.179, 95%CI：0.155-0.204). There was a multiplicative interaction between the cognitive score of SSBs and the educational level of parents (P<0.00l).
The intake frequency of SSBs was high among primary and middle school students in Shenzhen, and the cognitive level of SSBs was related to the intake frequency and the educational level of parents.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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