منابع مشابه
Convulsions and television viewing.
Factors affecting the two-stage equilibration rebreathing procedure for the measurement of mixed venous Pco2 are discussed. The most important practical conclusion is that the volume of gas in the bag should not be more than twice the tidal volume; but the exact ratio is not critical. Suitable equipment is described. Practical problems and variations in technique are described in detail. We are...
متن کاملRadiographic viewing conditions at Johannesburg Hospital
PURPOSE To measure the luminance level of X-ray viewing boxes and ambient lighting levels in reporting rooms as a quality assurance procedure, and to compare the results with those recommended by the Directorate of Radiation Control, South Africa (DRC), European Commission (EC) and Nordic Radiation Protection Co-operation (NORDIC). MATERIALS AND METHODS All the viewing boxes housed at the Div...
متن کاملIndividual, social and home environment determinants of change in children's television viewing: the Switch-Play intervention.
Understanding potential determinants of change in television (TV) viewing among children may enhance the effectiveness of programs targeting this behaviour. This study aimed to investigate the contribution of individual, social and home environment factors among 10-year-old Australian children to change in TV viewing over a 21-month period. A total of 164 children (49% boys) completed a 19-less...
متن کاملFamily and home correlates of television viewing in 12–13 year old adolescents: The Nepean Study
BACKGROUND Few young people meet television viewing guidelines. PURPOSE To determine the association between factors in the family and home environment and watching television, including videos and DVDs, in early adolescence. METHODS Cross-sectional, self-report survey of 343 adolescents aged 12-13 years (173 girls), and their parents (338 mothers, 293 fathers). Main measures were factors i...
متن کاملPerceived Neighborhood and Home Environmental Factors Associated with Television Viewing among Taiwanese Older Adults
This study examined the associations between perceived neighborhood and home environmental factors and excessive television (TV) viewing time among Taiwanese older adults. The sample data was collected by administering computer-assisted telephone interviewers to 980 Taiwanese older adults (aged ≥ 65 years) living in two regions. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculat...
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ژورنال
عنوان ژورنال: The Journal of The Institute of Image Information and Television Engineers
سال: 2006
ISSN: 1881-6908,1342-6907
DOI: 10.3169/itej.60.597