the child is a college student, where the pressure of academic demands, social interaction problems and career choices elevate the risk of committing suicide [3]. In children, 10 to 14 years old suicide is rare but if it happens, is due to the loss of a parent, abuse or psychopathology [3]. Although, age is an important factor, gender also provides information. Males usually do a complete suici...

BACKGROUND The Illness Attitude Scales (IAS), designed by Kellner in 1986, assesses fears, beliefs, and attitudes associated with hypochondriasis and abnormal illness behaviour. However, its factor structure is, especially for translations of the IAS, not sufficiently explored. Thus, the present Study aimed to analyse the factor structure of the IAS in a German student and a patient population ...

background: considering the existence of controversies about the predictive value of inflammatory markers for cardiovascular disease (cvd), we aimed to compare the level of high?sensitivity c?reactive protein (hs?crp) and interlukin?6 (il?6) level in chronic hemodialysis (hd) patients with and without cvd. materials and methods: in this historical cohort study, hd patients with and without cvd ...

The Delaware School Climate Survey-Student (DSCS-S) was developed to provide schools with a brief and psychometrically sound student survey for assessing school climate, particularly the dimensions of social support and structure. Confirmatory factor analyses, conducted on a sample of 11,780 students in 85 schools, showed that a bifactor model consisting of five specific factors and one general...

We describe a model that takes into account the tail dependence present in a large set of historical risk factor data using the modern concept of copulas. We extend the popular t-copula to obtain a new grouped t-copula which describes more accurately the dependence among risk factors of different classes. We explain how to estimate the parameters of the grouped t-copula and apply the method to ...