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1.
Chinese Journal of Epidemiology ; (12): 331-334, 2009.
Article in Chinese | WPRIM | ID: wpr-266535

ABSTRACT

Objective To provide evidence for setting up violence intervention programs in rural middle schools, through studying the influential factors. Methods Taking variables including emotional, physical and sexual violence in the past year as the multi-dependent variables before multivariate multilevel model logistic regression model was adopted to analyze the correlations among the three kinds of violence and the influential factors. Results Among 3620 respondents, the incidence rates of emotional, physical and sexual violence weres 21.5%, 24.3% and 2.0% respectively. The correlation coefficients between emotional violence vs. physical violence, emotional violence vs. sexual violence, physical violence vs. sexual violence were 0.337,0.133, 0.131 respectively when the random effect of class difference was separated by multivariate multilevel model. There was an internal aggregation of the incidence rate on physical violence in different grades (X2=4.286, P=0.038) and an internal relevant between emotional violence vs. sexual violence (X2=4.239, P=0,039), physical violence vs. sexual violence (X2=4.482, P=0.034). The influential factors on the incidence rates of violence would include:sex, smoking status, family without harmony, tendency of bullying others and the level on self-esteem etc. Conclusion When the random effect of class difference was separated by multivariate multilevel model, the estimated results would be more precise. Other than paying more attention to both individual and family influential factors when taking measures to reduce the incidence rate of violence in high school students, the effect of environment in the class should not be ignored.

2.
Korean Journal of Community Nutrition ; : 486-494, 2001.
Article in Korean | WPRIM | ID: wpr-64660

ABSTRACT

This study was performed to assess the nutrient intakes and diet quality of rural middle school students provided with and without the national school lunch program(NSLP). The data on dietary intakes were obtained by using food record method questionnaires which were collected from 340 rural middle school students provided with(n=177) and without (n=163) NSLP. Diet quality was accessed by NAR(nutrient adequacy ration), MAR(mean adequacy ration), and INQ( index of nutritional quality). Total energy intakes of the boys were 2123 kcal with NSLP and 1857 kcal without NSLP. Total energy intakes of the girls were 1913 kcal with NSLP and 1814 kcal without NSLP. Phosphorus, vitamin A, vitamin E, ascorbic acid, thiamin, riboflavin, and niacin intakes were above the RDA in the NSLP group. For those without NLSP, phosphorus, vitamin E, thiamin intakes were above RDA, however, calcium, iron vitamin A, vitamin B/sub 6/ were less than the RDA. The mean adequacy ration(MAR), an index of dietary quality was 0.69(with) 0.62(without) for males and 0.62(without) for females The indexes of nutritional quality(INQ) were over 1 for most nutrients except calcium, vitamin A, vitamin B2 and zinc. The study showed that total daily energy and nutrient intakes were significantly higher in students provided with than those without school-lunches. Thus, the school-lunch program is recommenced and necessary to improve the nutritional status of middle school students.


Subject(s)
Female , Humans , Male , Ascorbic Acid , Calcium , Diet , Iron , Lunch , Niacin , Nutritional Status , Phosphorus , Riboflavin , Vitamin A , Vitamin E , Vitamins , Zinc , Surveys and Questionnaires
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