Results 11473 persons (22946 eyes) suffered subnormal vision occupying 31.9% of the whole. The primary school students occupied 18.8%, the high school students 39.2%, and the high school students 55.9%.
Objective To investigate the knowledge,attitude and behavior about health risky factors among middle school students in Urumchi,to provide accurate data on health behavior and protective factors among students,to offer the direction for the future health education work,to begin the dynamic and continued observation on students' behavior,and finally provide references for long-term study and intervention. Methods WHO took the sample among students aged 13～15 years in Urumchi and conducted the questionnaire survey designed by US-CDC.
Comprehensive study of environmental consciousness of high school students
The data were compared with the control group including 10 mentally and neurologically healthy young subjects, secondary-school students in the 10th or 11th grades.
The series of articles summarizes a 30-year study on the development of skeletal muscles, bioenergetics of muscular exercise, and physical working capacity with age in elementary and secondary school students.
Airway conductance in high school students living in the European North
Spirography and pneumotachometry have been used to study airway conductance in apparently healthy high school students aged 15-18 years (120 boys and 120 girls) who were born and reside in Arkhangel'sk.