טוען...
Prevalence of high screen time and associated factors among students: a cross-sectional study in Zhejiang, China
OBJECTIVE: To investigate the prevalence and correlates of high screen time (ST) among students in Zhejiang, China. DESIGN: Cross-sectional study. SETTING: School-based adolescent health survey in Zhejiang Province, China. PARTICIPANTS: 23 543 students in grades 7–12 from 442 different schools. OUTC...
שמור ב:
| הוצא לאור ב: | BMJ Open |
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| Main Authors: | , , , , , |
| פורמט: | Artigo |
| שפה: | Inglês |
| יצא לאור: |
BMJ Publishing Group
2018
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| נושאים: | |
| גישה מקוונת: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6009552/ https://ncbi.nlm.nih.gov/pubmed/29921687 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/bmjopen-2018-021493 |
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