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Age distribution characteristics of Anhui province rural children puberty-related events, the analysis phase advance with physical activity, parents wage type, and depressive symptoms, psychopathological symptoms associated with puberty. The method of the province six cities in rural primary and secondary third grade to third grade students as research subjects, the use of self-evaluation questionnaire puberty of the events of survey both parents work outside the home of the child, the Children's Depression Scale (Children's Depression Inventory, CDI) to assess depressive symptoms, a total of 4,581 valid questionnaires. Half of the age probit regression method to calculate the half of the age of menarche in the sample using the percentile method of puberty-related events are grouped self-assessment score above analysis out of 75th percentile (P75) and different puberty self-assessment (the pubertal Development Scale, PDS) stage children's physical activity, the parents wage history of depression status and psychopathological symptoms. Subjects ranged in age from 8 to 17 years old, the average age was 13.29 years old. 48.2% for boys, girls accounted for 51.8%. Girls breast development Tanner Phase II (B2) age of P25, P50 and P75, respectively 9.27,10.29 and 11.42 years, IV (B4) age of P25, P50 and P75 were 13.99,15.87 and 18.00 years; pubic hair development of Tanner II period ( FP2) age of P25, P50 and P75 were 10.39,11.55 and 12.83, 16.13,18.33 and 20.83 years of IV (FP4) the age of P25, P50 and P75, respectively; menarche age P25, P50 and P75, respectively 11.73,12.74 and 13.85 years old. Boy genital development Tanner II period (P2) the age of P25, P50 and P75, respectively 9.41,10.81 and 12.44 years, IV (P4) age of P25, P50 and P75 were 15.35,16.64 and 18.03 years; pubic hair development MP2. age of P25, P50 and P75, respectively 9.91,11.24 and 12.74 years, MP4-term age P25, P50 and P75, respectively 15.07,16.18 and 17.38 years; first spermatorrhea age P25, P50 and P75 were 13.46,15.36 and 17.54 years of age. Girls 8 years old growth has not been accounted for 91.2%, but the 14-year-old began the individual to complete the development, all of which have been developed to the age of 15. Boy, 8 years old yet and development accounted for 94.4%, all of which have been developed to the age of 17, but were not seen in the 8 to 17-year-old sample of fully developed individual. In this study, the children's self-evaluation puberty events Tanner stage PDS self-evaluation stage high consistency, the Kendall coefficient from 0.69 to 0.76, P values ??were lt; 0.001. Puberty phase advance group of girls a week the number of activities and average daily sit-in time are higher than the normal group launch phase difference between the two groups was statistically significant (P lt; 0.05), puberty phase advance group of boys and launch when the normal group boys in the index difference was not statistically significant (P gt; 0.05) The puberty phase advance group of boys reported symptoms of depression was significantly higher than the launch phase normal group, the difference was statistically significant (P lt; 0.01). Both boys and girls puberty phase advance group psychopathological symptoms report were higher than the launch phase normal group, the difference was statistically significant (boys P lt; 0.01, the girls P LT; 0.05). M of Tongfa Yu events of different parents wage type rating differences among the groups was statistically significant for parents to work for more than one year group gt; father a separate working group gt; parents at home or work time is not more than one year group gt; mother alone working group. The different parental wage type the female of Tongfa Yu event score of men and women Tong Qingchun launch phase evaluation was no significant difference between the groups, but showed his father a separate working group gt; parents are working more than one year group gt; parents are at home or work time of less than one year group gt; mother separate working group. Conclusion puberty advance with depression, psychopathological symptoms, physical activity, and a variety of psychological and behavioral problems are closely related, early screening of children early puberty phase, to seek suitable opportunities for health-promoting interventions will adolescent physical and mental health improvement have a positive impact.
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