[The adolescent physical exercise behavior-psychological measurement scale on the Chinese version and its reliability and validity study].

Objective: To develop a suitable physical exercise behavior-psychological scale for the Chinese adolescents and to evaluate its validity and reliability.

Methods: A total of 3600 junior students were recruited and tested through multistage sampling method. Reliability was assessed, using Cronbach's α and split-half reliability; while exploratory factor analysis and confirmatory factor analysis were used to test its validity, with entries-dimension correlation coefficient (IIC), correlation coefficient between the scores and the dimension, the dimension of correlation coefficient test content validity.

Comparison of the effects of dexmedetomidine, ketamine, and placebo on emergence agitation after strabismus surgery in children.

Background: Children undergoing strabismus surgery under sevoflurane anesthesia often experience emergence agitation (EA) and postoperative vomiting (POV). This study compared the effects of intraoperative dexmedetomidine, ketamine, and placebo on postoperative EA and POV.

Methods: Eighty-four children (aged two to seven years) undergoing elective strabismus surgery under sevoflurane anesthesia were randomly assigned to one of three groups (n = 28 each).

[Evaluation on the effects of an education program regarding the sedentary behavior among school-aged children using Transtheoretical Model].

Objective: To evaluate the outcome of a health education program on sedentary behavior among primary and secondary school children through Transtheoretical Model.

Methods: Five primary schools and four middle schools were selected and students from grade 3 to 5 in primary schools and grade 1 to 2 in middle schools were selected to take part in the program, as control and intervention groups respectively. Corresponding intervention measures were provided to the intervention group, with phase, process and level of changing on sedentary behavior measured for both groups during the follow-up period.

[A cross-sectional study on the changes in dietary behavior stages in resident].

Objective: To explore the possibility of applying the concept of various stages of dietary behavior changes in Hangzhou residents.

Methods: The dietary behavior was surveyed and analyzed in 1 388 Hangzhou residents with 18 year-old and older using the various dietary behavior change model model and stages of change.

Results: The proportion of Hangzhou residents with unhealthy dietary behavior was high and associated with gender and education level.