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Objective: To offer basic data related to the prevention of child sexual abuse, we conducted a Meta-analysis on the national incidence rate on child sexual abuse in the country., Methods: Publications between 2000 and 2013 were extracted from PubMed, Springer Link, Elsevier-SDOL, Chinese Biomedical Database (CBM), China National Knowledge Infrastructure (CNKI), Chinese Science & Technology journal database (VIP), Wanfang Databases, China master's Theses Full-text Database and China Conference Papers Full-text Database. Observational studies which containing the incidence rate of child sexual abuse were included. We used the Loney criteria to evaluate the quality of searched publications. The Meta incidence rate was estimated using the Stata software. Subgroup analysis were undertaken on gender issues. Sensitivity analysis were performed to evaluate the impact of types or qualities to the research objects., Results: Fifteen papers were included in this Meta-analysis, with a sample size of 16 682. The combined incidence rate of child sexual abuse was 18.20% (95%CI:13.74%-22.66%). For injured persons, girls had a higher incidence rate on child sexual abuse (11.22%) than boys (8.25%) in terms of contact sexual abuse, but no significant difference on gender was found in the prevalence rates of global and un-contact sexual abuse. Data from sensitivity analysis revealed that the quality or types of the objects slightly affected the incidence rate of traffic injuries., Conclusion: of this study indicated that child sexual abuse was common and serious in China, suggesting that prevention and control programs on childhood abuse should be emphasized and promoted.

Objective: To evaluate the consciousness of health emergency and the abilities on self- and mutual medical aids among the public at the community level, as well as the community responses on health-related emergencies and other factors., Methods: Random equidistant sampling method was used to extract 617 households before choosing a family member sampled by Kish Grid method. All the members were investigated face to face on a questionnaire-"Health emergency and related ability regarding self and mutual medical aids of the residents". Data were entered into computer database by using software Epi Data 3.1 and were analyzed by SPSS 21.0., Results: Among the 617 households under survey, 47.84% of the public had general awareness on health-related emergencies. Regarding the following items as:prevention and isolation strategies of infectious disease, on safely procedures of earthquake and fires, on prevention of food poisoning, on prevention and first aid of emerging infectious diseases etc., the rates of awareness were 65.04%, 62.92%, 43.62% and 18.79% respectively. Proportions of households which had the first aid supplies were:first aid medicine box as 56.08%; fire extinguisher as 43.60%; spare water and food as 39.40%; having facilities as ropes, whistles and smoke masks for escape were all less than 15%. Rates of awareness on the following items as: correct use of gas switch as 81.52%, knowing the location of the circuit with gear and the fire hydrant as 74.39% and 35.98% , respectively. The correct disposal rates of the residents on the following items were:electric shock and falls (89.63%), patients of infectious diseases (83.31%), gas poisoning (82.98%), suspected symptoms on infectious diseases(82.66%), explosion and burns (66.78%), scald (62.72%)and sprain (57.05%). Scores on the related abilities were as follows: emergency(7.65, out of 10 points), escape(3.55, out of 5 points), self- and mutual medical aids (10.71, out of 16 points). Proportions of having learned and applied of first aid techniques among residents on the following items were:artificial breathing, chest compressions and cardiopulmonary resuscitation were all less than 10%. Level of knowing the first aid techniques was correlated with age and culture of the residents (P < 0.05)., Conclusion: Both consciousness on health emergency and the abilities on self- and mutual medical aids were low among the community public, suggesting that both the government and pubic should pay more attention to the role of the abilities on self- and mutual medical aids.

Objective: To investigate the occurrence, distribution and risk factors of mobile phone dependence syndrome(MPDS)among college students in Guangzhou., Methods: A unified questionnaire was adopted, with 2311 college students from 6 universities in Guangzhou investigated by cluster sampling. Distribution and risk factors of MPDS among different groups were analyzed by logistic regression., Results: A total number of 2213 effective questionnaires was retrieved, including 1149 males and 1064 females. The average age was(21.33 ± 1.72). The incidence rate of MPDS among studied college students in Guangzhou was 23.3% (515/2213). Regarding the distribution of personal characteristics, significant differences were found in the following aspects:grades, majors in college, being the only child of the family, monthly cost of living, personal characters and the academic performance at school (P<0.05). Regarding the distribution of characteristics among parents, significant differences were found in the following areas:educational levels of the mother, rearing patterns of both parents, status of feeling on mother's caring(P<0.05)etc. The main risk factors for MPDS were as follows:students major in literature and law, with high monthly living cost, father's autocratic and democratic patterns of rearing, mother's autocratic and doting rearing pattern as well as personal feeling on mother's attitude of unconcern. The incidence of MPDS among those persons with uncertain characters was less than those who were extroverts., Conclusion: MPDS among college students seemed to be severe in Guangzhou. No difference was found in the incidence rates of MPDS between genders. Should take interventions according to its risk factors.

Objective: To describe and analyze the prevalence and epidemiological features of people with disability caused by injury in the Chinese population, and to provide scientific basis for developing the prevention and control programs on injuries., Methods: Statistics and intervention measures were used to analyze the data from the Second China National Sample Survey on injury-caused Disability. Cluster analysis was used to analyze the differences in regions., Results: The overall prevalence of disability caused by injury was 99.68/10 000 which occupied 15.59% of all the disability, with multiple disability excluded. Physical disability and hearing disability accounted for 65.59% and 23.35% of all the injury-caused disability respectively, while those ranked Grade IV and III making up the majority (55.14% and 25.83%) of the disability, respectively. There were significant differences in the distribution of injury-caused disability among different age groups (χ(2) = 23 106.14, P < 0.001) and gender (χ(2) = 2161.74, P < 0.001). Ageing and being males having a higher risk on injury-caused disability. Five clusters were identified by cluster analysis, in which injury-caused disability were severe in the fifth (Sichuan province) and the fourth clusters (Hunan, Chongqing, Guizhou, Ningxia province)., Conclusion: Problems discovered by injury-caused disability in the Chinese population should not be ignored. Both physical and hearing disabilities appeared to be the two main types of disability while age, gender and region were related to injury-caused disability. Targeted strategies should be developed to decrease the injury-caused disability in China.

Objective: To explore the development on infrastructure and professional contingence related to injury prevention and control, in China., Methods: 38 Centers for Disease Control and Prevention (CDC) were investigated by using a self designed questionnaire and data was analyzed descriptively., Results: At present, all the CDCs at provincial and city level had not set up a specific department related to injury prevention and control, except for Shanghai and Guangxi CDCs. The proportions of full-time and part-time staff in all of the investigated CDCs were 37.30% and 62.70% respectively. From 2005 to 2008, the proportions of CDC which had made funds more than 500 000 Yuan available on injury prevention and control were: 27.78% in the eastern areas, 28.58% in central and 7.69% in the western areas of China. There were 76.92% of the CDCs in the western areas of China that the invested funding was less than 100 000 Yuan in the past years. Most of the routine work that had been carried out in those CDCs were surveillance and public education programs including collection of data and special surveys related to injuries on children, adolescents and the elderly population. 44.44%, and 28.57% of the CDCs in the eastern and central parts of the country wished to establish a Department of injury prevention and control, while 76.92% of the CDCs in the western part expressed their strong request for professional training on injury., Conclusion: China remained underdeveloped in the development of institutional and professional team working on injuries which called for, setting up related programs to suit the local needs. In accordance with the working condition, the progress that had been made and the objective demand on institutional and professional contingence of the problems in different areas, both short and medium terms on the issue, need to be put forward to develop both institutional and professional programs on injuries in the eastern, central, and western areas of China.

Objective: To explore the prevalence and its influencing factors on mental disorders in older people after falling in a community from Guangzhou city., Methods: 184 people over 60 years of age had ever fallen within the past year in a community, were investigated by structured interview survey on their mental disorders in Guangzhou, with the impact of event scale (IES) and fear fall scale (FFS). Another 56 people over the age of 60 had never fallen at the same time were selected as controls. Data was analyzed by classification tree and logistic regression analysis., Results: IES score showed that there were 8.2% older people suffering from PTSD after falling (average score 16.07 ± 9.52). People who were at older age, with either bad eyesight or hearing, having had injury or decreased activity had higher scores. Results from classification tree analysis showed that decreased activity and helped by others after falling were risk factors of PTSD while not having decreased activity was protective factor. FFS score showed that 58.2% of the older people suffering from FFS after falling (average score 22.29 ± 10.25), people who were at older age, having had bad eyesight or hearing, not living with spouse or children etc. had higher scores while Classification Tree Analysis showed that factors as decreased activity or older than 80 years of age were at risk of FFS. People who did not have decreased activity or their IES score was nine or lower were protective factors. Data from the logistic regression analysis showed that raised by others after falling (OR = 6.20, 95%CI: 1.32 - 29.12) were risk factors of PTSD while older age (OR = 4.62, 95%CI: 1.80 - 11.83; OR = 4.06, 95%CI: 1.39 - 11.87), injury (OR = 6.26, 95%CI: 2.60 - 15.09), higher IES score (OR = 8.75, 95%CI: 3.53 - 21.70;OR = 11.98, 95%CI: 3.88 - 37.02) and decreased activity (OR = 5.26, 95%CI: 2.29 - 12.06) were risk factors of FFS., Conclusion: There had been a high incidence of mental disorders after falling among the elderly. Older age and decreased activity were the risk factors in this study.