Objective To analyze the changes in pulmonary function trends of five and six grade primary school health pupils and explore the influencing factors of pulmonary function in school-age children in Shenyang,for provide scientific basis. Methods A total of 231 upper grades students in a primary school in Shenyang by cluster sampling were investigated by questionnaire.Pulmonary function (PEF,FEV1) and the physical growth indexes were observed.Stepwise multiple regressions were applied to build the predicated equations of pulmonary function. Results FEV1,weight,waistline,arm circumference were higher in boys than that in girls.PEF,FEV1 increased with the increase of the age.PEF,FEV1 were positive correlated with weight,height,sitting height,arm circumference,chest circumference and waistline(P<0.01).By stepwise multiple regressions PEF,FEV1 were closely related with height,sitting height,weight and arm circumference in boys; PEF,FEV1 were closely related with sitting height and chest circumference in girls(P<0.05). Conclusions PEF,FEV1 are closely related with height,sitting height,weight,arm circumference and chest circumference.Between different genders,influencing factors of pulmonary function are significantly different.
Key words
pulmonary function /
indexes of growth /
children aged 10~12 years old
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