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  • 1
    ISSN: 1573-7284
    Keywords: Age ; Atopy ; Healthy children ; IgG subclasses ; Infections ; Socioeconomic status
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Serum concentrations of immunoglobulin IgG1, IgG2, IgG3 and IgG4 were determined by radial immunodiffusion in a sample of 414 healthy Greek children, who were admitted to the major Teaching Hospital for Children in Athens for minor surgical operations. Statistical analysis was performed by multiple regression after logarithmic transformation of the immunoglobulin values. There was a statistically significant increase of IgG3 with age, whereas IgG1, IgG2 and IgG4 levels reached a turning point at the age of five years. Older than 5 years male children were found to have marginally higher IgG4 levels than females. Low socioeconomic class was positively and significantly associated (9% increase) with IgG1 levels only among the older age group. History of frequent infections was associated with a 16% increase of IgG1 levels in the younger (less than 5 years) (p = 0.01) and with a 47% increase of IgG4 among the older age group (p = 0.03). Atopic history was associated with a 16% increase of IgG1 in the younger (p = 0.02). The findings of the present study provide an insight on the determinants and the clinical significance of IgG subclass levels among children.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of epidemiology 16 (2000), S. 819-826 
    ISSN: 1573-7284
    Keywords: Accident proneness ; Driving behavior ; Driving capability ; Risk factors ; Risk taking ; Road traffic crashes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Road traffic crashes (RTCs) are responsible for a substantial fraction of morbidity and mortality and are responsible for more years of life lost than most of human diseases. In this review, we have tried to delineate behavioral factors that collectively represent the principal cause of three out of five RTCs and contribute to the causation of most of the remaining. Although sharp distinctions are not always possible, a classification of behavioral factors is both necessary and feasible. Thus, behavioral factors can be distinguished as (i) those that reduce capability on a long-term basis (inexperience, aging, disease and disability, alcoholism, drug abuse), (ii) those that reduce capability on a short-term basis (drowsiness, fatigue, acute alcohol intoxication, short term drug effects, binge eating, acute psychological stress, temporary distraction), (iii) those that promote risk taking behavior with long-term impact (overestimation of capabilities, macho attitude, habitual speeding, habitual disregard of traffic regulations, indecent driving behavior, non-use of seat belt or helmet, inappropriate sitting while driving, accident proneness) and (iv) those that promote risk taking behavior with short-term impact (moderate ethanol intake, psychotropic drugs, motor vehicle crime, suicidal behavior, compulsive acts). The classification aims to assist in the conceptualization of the problem that may also contribute to behavior modification-based efforts.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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