The purpose of this study was to investigate Internet use patterns and Internet addiction among adolescents and to examine the correlation between Internet addiction and eating attitudes and body mass index (BMI). The study was conducted among 1,938 students, aged between 14 and 18 years. The Internet Addiction Test (IAT), the Eating Attitudes Test (EAT), and a sociodemographic query form were used to collect data. According to the IAT, 12.4% of the study sample met the criteria for Internet addiction. A significant positive correlation between BMI and the IAT (r=0.307; p<0.01) and weekly Internet use (r=0.215; p<0.01) was found. Nine students with Internet addiction (3.8%) and 90 with average Internet use (5.3%) were found to have a possible eating disorder (p>0.05). No relationship was found between the EAT and the IAT and duration of weekly Internet use. Linear regression analysis revealed a significant independent association of the IAT with BMI (r=0.235; p<0.001). These results indicate an association between Internet addiction and BMI. Further studies are needed to describe the causality of this association.
The Internet Addiction Scale (IAS) is a self-report instrument based on the seven substance dependence criteria of the Diagnostic and Statistical Manual of Mental Disorders (4th ed., American Psychiatric Association, 1994) and two additional criteria recommended by Griffiths. The IAS was administered to 300 high school students along with the Beck Depression Inventory (BDI) and Submissive Acts Scale (SAS). For test-retest reliability, the IAS was administered a second time 7 days after the first administration. An interitem reliability reduced the initial scale from 31 to 27 items (with Cronbach's alpha of 0.94). The factor analysis suggests the existence mainly of one factor in the IAS. Correlation analyses indicated that BDI and SAS were significantly correlated positively with the IAS. One-week test-retest correlation for the IAS was highly significant. According to these results, the psychometric properties of the IAS are promising.
Paradoxical therapy consists of suggesting that the patient intentionally engages in the unwanted behaviour such as performing compulsive ritual or wanting a conversion attack. In this study, the subjects were selected by the emergency unit psychiatrist from patients who were admitted to the emergency unit with pseudoseizure. The diagnoses was based on DSM-IV criteria. Paradoxical intention was applied to half of the 30 patients with conversion disorders; the other half were treated with diazepam in order to examine the efficiency of the paradoxical intention versus diazepam. In both groups the differences of the anxiety scores at the beginning of the study were found to be insignificant (z=1.08, p=0.28). Of the 15 patients who completed paradoxical intention treatment, 14 (93.3%) responded favorably to paradoxical intention. On the other hand of 15 patients who completed diazepam therapy, 9 (60%) responded well to therapy and 6 patients carried on their conversion symptoms at the end of 6 weeks. Paradoxical intention-treated patients appeared to have greater improvements in anxiety scores (z=2.43, p<0.015) and conversion symptoms (t=2.27, p=0.034) than the diazepam-treated patients. The results of the present study are encouraging in that paradoxical intention can be effective in the treatment of conversion disorder.
We aimed to examine the correlation between Internet addiction and sleep disturbance symptoms among students. Internet Addiction Test (IAT) was used. The students with addictive Internet use were more likely to have difficulty in falling asleep and night awakenings. Problematic Internet users and addictive Internet users were found to sleep significantly less than avarage Internet users. A significant positive correlation between daily sleep duration and IAT and weekly Internet use was found. Linear regression analysis revealed a significant negative and independent association of IAT with daily sleep duration. These results indicate an association between the Internet addiction and impaired sleep.
In this study, normalization of platelet activation is associated with escitalopram treatment for patients with depression. This finding may provide evidence for the use of escitalopram in patients with major depression and comorbid ischemic heart disease.
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