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Objective To examine relationships between weight status and different forms of bullying victimization among adolescents aged 11-18 years. Methods The relationships between weight status and bullying victimization (physical, verbal, and relational) were examined utilizing data from the Guangdong Provincial Youth Health Behavior Survey. Data on height, weight, and victimization behaviors were collected by self-reporting from 12 439 subjects. (χ 2 test and logistic regression were used to analyze relationships between weight and bullying victimization. Results The incidence of victimization for adolescents aged 11-18 years was 8.6%, with higher rates for boys (12.4%) than for girls (4.7%). For children with normal, overweight and obese body mass index (BMI), the incidence rates of victimization were 8.2%, 17.3%, and 11.5%, respectively. Compared to normal weight, overweight was a risk factor for bullying victimization (OR=1.60, 95% CI:1.18-2.17), and it also increased children's risk of being teased in a hurtful way (OR=2.13, 95% CI: 1.41-3.24) and being made fun of due to physical appearance (OR=3.58, 95% CI: 2.27-5.67). Obesity only increased the risk for children of being made fun of due to physical appearance (OR=2.45, 95% CI: 1.44-4.15). Conclusions The victimization for children at school is common in Guangdong province, China. Overweight and obese children are more likely to be victims of bullying behaviors, especially verbal victimization.

To evaluate the outcome of health education program on drowning prevention among primary and secondary school children in rural areas.A township was selected and all the students from grade 3 to 5, grade 7 to 8, and grade 10 to 11 were selected to take part in the program. Twelve intervention measures on natural water safety and drowning prevention were carried out for one year. Information was collected using the same questionnaire before and after the intervention program.One year after the intervention was carried out, children's knowledge on drowning prevention improved significantly (13.21, 95%CI: 12.51 - 13.90), and a positive effect was also noticed among boys (12.77, 95%CI: 11.77 - 13.77), girls (13.80, 95%CI: 12.82 - 14.78), and among primary school children(15.51, 95%CI: 14.30 - 16.72), senior high school children (10.78, 95%CI: 9.50 - 12.05) and junior high school children (12.77, 95%CI: 11.84 - 13.71). Overall rates on risk behaviors dropped from 41.4% to 32.2% (by 22.2%) including 15.6% for boys, 35.2% for girls and 13.8%, 29.3%, 26.3% for primary school children, senior high school children, junior high school children, respectively. The incidence rates for non-fatal drowning decreased by 58.9% (from 5.6% to 2.3%). The person-times for treatment on sight, in emergency settings, in outpatient clinic or in the hospitals had a reduction from 399, 78, 36 to 175, 32, 14, respectively.Health education program could improve children's perception on water safety, and reduce their risk behaviors as well as on the incidence of non-fatal drowning in the rural areas.

Background Drowning is a major cause of morbidity and mortality for children, yet non-fatal drowning remains poorly understood. The aim of this study was to explore potential modifiable risk factors of non-fatal drowning among children in rural areas of China. Methods A cross-sectional survey was first conducted to obtain non-fatal drowning cases, and 7432 students in grades three to eight from 17 schools participated in the cross sectional survey. Of these, 805 students reported that they experienced non-fatal drowning in the previous year. Then 368 cases were selected randomly to participate in a 1:1 matched case-control study. Each drowning case was matched by one control with the same sex and similar age (the gap less than 2 years) who was selected randomly from the same class. Results Boys were more likely to be involved in non-fatal drowning. Non-fatal drowning most often happened in the afternoon (65.1%) and natural bodies of water were the most common sites of drowning (71.1%). Swimming, diving and playing in natural waters were the leading activities that preceded non-fatal drowning. The significant risk factors for non-fatal drowning were swimming in natural waters without adult supervision (OR = 3.40, 95% CI: 1.92-6.03), playing in or beside natural waters (OR = 2.08, 95% CI: 1.17-3.70) and poor swimming skills (OR = 2.74, 95% CI: 1.14-6.62). However, the following variables were protective factors: supervisor aged 30 years or over (OR = 0.20, 95% CI: 0.09-0.49) and no water activities (OR = 0.36, 95% CI: 0.18-0.70). Conclusions The reduction in dangerous water activities, swimming training and enhancement in supervision among children might decrease the risk of non-fatal drowning.