Background/Aim:The aim of the study was to investigate gender differences in obesity and related behavior among adolescent school boys and girls in southwestern Saudi Arabia.Patients and Methods:A cross-sectional study on a stratified sample of 1,249 adolescent boys and 620 adolescent girls, was conducted in southwestern Saudi Arabia. They were interviewed and examined for weight and height using standardized techniques.Results:The prevalence of obesity and overweight in the present study amounted to 23.2% among boys and 29.4% among girls. The following significant risk factors were identified; being a female [adjusted odds ratio (aOR) =1.372, 95% confidence interval (CI) =1.099-1.753] and lack of class physical exercise (aOR =1.452, 95% CI =1.149-2.117).Conclusion:Obesity among adolescents is a public health problem in Southwestern Saudi Arabia. The problem is more prevalent among girls. Thus, there is a need for a national programme in the country to prevent and control obesity among adolescents.

Using stratified sampling technique 2696 adolescent school boys (aged 11-19 years) in Abha City, Southwestern Saudi Arabia were interviewed and examined for weight and height using standardized techniques. The overall prevalence of obesity and overweight in the present study amounted to 16%. Using logistic regression analysis, lack of exercise practice in the previous week in general [aOR = 1.352, 95% confidence interval (CI) = 1.066-1.941] or in the class (aOR = 1.446, 95% CI = 1.083-1.931) were significantly associated with obesity. The present study showed that obesity among adolescent school boys in Abha City is a public health problem. There is a need for a national program in the country to prevent and control obesity among adolescents. The program should incorporate: dietary management of obesity, promotion of physical activity, health education campaigns and consideration of the possibility of providing facilities for practicing physical activity and exercise in the community.

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SUMMARYThe present work comprises a longitudinal study of Schistosoma mansoni infection in occupationally hyper-exposed canal cleaners in the Sudan and the influence of chemotherapy on humoral immune parameters. The study groups included chronically infected canal cleaners (n = 19), newly recruited canal cleaners (n 17), normally exposed adults (n 31), school children (n 46) and Sudanese negative controls (n 48). Previous studies of the same canal cleaners have demonstrated that chronically infected canal cleaners were more resistant to reinfection than newly recruited canal cleaners. ELISA was used to detect specific IgE and IgG subclasses in response to whole worm antigen (WWH) and soluble egg antigen (SEA) before and 3 months after praziquantel treatment in the groups of canal cleaners and before and 1 year after treatment in normally exposed adults. When intensity of infection was correlated with IgE antibody response, the resistant group of canal cleaners (those who stopped passing ova after treatment) showed a significant positive correlation between intensity of infection and specific IgE to WWH (Spearman's correlation coefficient 01). Normally exposed adults and school children had significantly less specific IgE to WWH than canal cleaners, while chronically infected canal cleaners had significantly higher levels of specific IgG1 to WWH than newly recruited canal cleaners and school children, and significantly higher levels of specific IgG4 to WWH than school children. There was a significant increase in specific IgG1 and IgG4 to WWH, 3 months after treatment, in newly recruited canal cleaners and a significant decrease, 1 year after treatment, in normally exposed adults. None of the groups studied after treatment showed a significant change in their specific IgE to WWH. Normally exposed adults had significantly lower levels of specific IgE to SEA than newly recruited canal cleaners, and significantly lower levels of specific IgG1 to SEA than other infected groups. Both newly recruited canal cleaners and school children had significantly higher levels of specific IgG2 to SEA than persons in other groups. Only small differences between groups were observed with regard to specific IgG3 and IgM to SEA. Specific IgG4 to WWH and SEA showed different patterns after treatment between the resistant and susceptible groups of canal cleaners. The resistant group maintained the same level of IgG4 to WWH after treatment compared with a significant increase in the susceptible group. On the other hand, levels of specific IgG4 to SEA showed a highly significant decrease after treatment in the resistant group. In contrast, the same antibody subclass increased after treatment in the susceptible group. Generally, results show an association between IgE and IgG1 responses to WWH and resistance to reinfection. In contrast, an association was observed between IgG2 and IgM responses to SEA and susceptibility to reinfection.

Using stratified random sampling technique, 1552 adolescent school age boys and girls in Abha city, southwestern Saudi Arabia, were screened for mental health using Arabic validated version of SCL-90-R. The overall prevalence of mental disorders amounted to 15.5%. The most frequent mental symptoms were phobic anxiety (17.3%), interpersonal sensitivity (14.7%), and obsessive compulsive (14.5%). In logistic regression analysis, some sociodemographic conditions (father education, mother working status, ranking among brothers and sisters, and type of school) were significantly affecting mental health. General practitioners and other primary care workers need to be educated to better engage young people, to recognize mental disorders, and to deliver simple treatments, including supportive counseling, and cognitive behavior therapy. There is a need for a national program in the country to integrate youth mental-health interventions with all existing youth programs, including those in health and education.

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Sécurité des injections au niveau des soins de santé primaires dans le sud-ouest de l'Arabie saoudite RÉSUMÉ Dans le cadre d'une étude sur la sécurité des injections dans le district de santé d'Abha (Arabie saoudite), des données ont été recueillies auprès de 47 médecins et de 85 infirmières dans 24 centres de soins de santé primaires, sur la base d'une grille d'observation et d'un questionnaire d'entretien. Tous les centres utilisaient des seringues jetables en emballage individuel et des récipients imperforables pour recueillir les aiguilles usagées. Au cours de l'année précédente, 14,9 % des médecins et 16,5 % des infirmières avaient signalé des blessures par piqûre d'aiguille (soit respectivement 0,21 et 0,38 blessure par personne et par an). L'analyse de régression logistique a révélé que le fait de reboucher l'aiguille après utilisation (médecins et infirmières) et de plier l'aiguille avant de la jeter (médecins) constituaient des facteurs de risque de blessure significatifs.