Christos S. Hadjichristodoulou

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BACKGROUND Data on the prevalence of tobacco use among teenagers in Greece are limited. We examined the prevalence of smoking among middle-school students in Greece using the Global Youth Tobacco Survey (GYTS). METHODS The Global Youth Tobacco Survey was implemented in Greece during the academic year 2004-2005 by the University of Thessaly and the(More)
The aim of this study was to identify varicella complications in children and assess the hospitalisation rates in the pre-vaccination era. The present study was conducted in Aghia Sophia Children’s Hospital, which is located in the Athens metropolitan area and serves approximately 650,000 children 0–14 years of age. The records of patients discharged with(More)
The aim of the study is to investigate the determinants of exposure to ETS among Greek adolescents aged 11-17 years old. The GYTS questionnaire was completed by 5,179 adolescents. About 3 in 4 responders (76.8%) were exposed to ETS at home, and 38.5% were exposed to ETS outside of the home. Gender, age group, parental and close friends smoking status were(More)
OBJECTIVE The objective of our study was to evaluate the psychological consequences of real-world AAS use in athletes abusing such agents, in comparison with a placebo and control group of comparable athletes, while correlating the severity of abuse with the side effects observed. The hypothesis tested by the study was that the use of AAS induces a wide(More)
BACKGROUND Bacterial meningitis remains a source of substantial morbidity and mortality in childhood. During the last decades gradual changes have been observed in the epidemiology of bacterial meningitis, related to the introduction of new polysaccharide and conjugate vaccines. The study presents an overview of the epidemiological patterns of acute(More)
BACKGROUND During the last decade, increasing efforts have focused on HPV detection in self-obtained samples, to increase the overall proportion of patients participating in cervical cancer screening procedures. OBJECTIVES A clinical evaluation study of an optimized protocol for PCR detection of high-risk human papillomavirus (HPV) types in urine compared(More)
INTRODUCTION Anabolic androgenic steroids (AAS) are derived by chemical manipulation of the testosterone molecule. The specified category of drugs produces anabolic, androgenic and psycho-active effects including elevated aggressive, hostile, violent and anti social behavior. OBJECTIVE The objective of this case report observational study was to evaluate(More)
OBJECTIVES There is a controversy about the impact of economic crisis on suicide rates in Greece. We analysed recent suicide data to identify who has been most affected and the relationships to economic and labour market indicators. SETTING Greece. PRIMARY AND SECONDARY OUTCOME MEASURES Age-specific and sex-specific suicide rates in Greece for the(More)
D Pervanidou (,2, M Detsis1, K Danis1,2, K Mellou1, E Papanikolaou1, I Terzaki1, A Baka1, L Veneti1, A Vakali1, G Dougas1, C Politis1, K Stamoulis3, S Tsiodras1,4, T Georgakopoulou1, A Papa5, A Tsakris4, J Kremastinou1, C Hadjichristodoulou1,6 1. Hellenic Center for Disease Control & Prevention, Athens, Greece 2. European Programme in(More)
BACKGROUND Data about the predictors of smoking among adolescents in Greece are sparse. We tried to identify factors associated with current cigarette smoking among in-school adolescents in Greece in the context of GYTS study. METHODS A secondary analysis of data from a questionnaire study using the Global Youth Tobacco Survey methodology was conducted to(More)