Objective To investigate the status of quality of life among adolescents in Beijing, and to analyze its correlation with healthy knowledge and healthy behavior, in order to provide reference for improving their quality of life. Methods Adolescents aged 10 - 19 in Beijing participated in the survey from April to May, 2020 after multistage cluster sampling. Based on field survey, data on basic information, quality of life, healthy knowledge and healthy behavior were collected. Influencing factors for quality of life in adolescents were determined through multiple linear regression analysis. Results In 6 098 valid questionnaires, the mean score of quality of life was 88.15±13.26, and those of four dimensions named physical functioning, emotional functioning, social functioning and school functioning were 89.46±13.93, 84.49±20.45, 91.60±14.87, 86.26±15.27, respectively. All of the mean scores of four dimensions in female were significantly lower than those in male, and which in general high school students were also significantly lower than those in primary, middle and vocational high school students (P＜0.05). Based on multivariate analysis, it was found that wrong knowledge about healthy food (β=-0.06) and drink (β=-0.05), and risk assessment (β=-0.05) and emergency treatment (β=-0.03) for injuries, as well as the inappropriate eating habits (β=-0.03), hygiene practice (β=-0.11), and inadequate sleeping duration (β=-0.09) had negative effect on quality of life among adolescents in Beijing, while non-experience of smoking (β=0.07) had positive effect on quality of life(P＜0.05). Conclusions Adolescents in Beijing have higher quality of life than the others, which might be influenced by healthy knowledge and healthy behavior. An effective model for intervention should be found to improve the quality of life of adolescents.
Key words
adolescents /
quality of life /
healthy knowledge /
healthy behavior
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