Sökning: "recall bias"
Visar resultat 6 - 10 av 17 avhandlingar innehållade orden recall bias.
6. Catastrophic health expenditure in Vietnam : studies of problems and solutions
Sammanfattning : Background: In Vietnam, problems of high out-of-pocket payments for health, leading to catastrophic health expenditure and resulting impoverishment for vulnerable groups, has been at focus in the past decades. Since the beginning of the 1990’s, the Vietnamese government has launched a series of social health insurance reforms to increase prepayment in the health sector and thereby better protect the population from the financial consequences of health problems. LÄS MER
7. Issues of validity in longitudinal studies of youth tobacco use
Sammanfattning : In the Stockholm region, a prospective longitudinal study: BROMS Cohort Study (Children s Smoking and Environment in the Stockholm County) was conducted between 1997 and 2005, with the primary aim to investigate determinants of adolescents´ tobacco use. It was based on a sample recruited in schools with junior high grades. LÄS MER
8. Temporomandibular joint sequelae after whiplash trauma. : Long-term, prospective, controlled study
Sammanfattning : Whiplash-related injuries and manifestations, typically neck pain, following car collisions are known to potentially disable individuals with a high and increasing cost to society. There is limited knowledge regarding the temporomandibular joint (TMJ) sequelae following whiplash trauma. LÄS MER
9. Machine learning for building energy system analysis
Sammanfattning : Buildings account for approximately 40% of the global energy, and Heating, Ventilation, and Air Conditioning (HVAC) contributes to a large proportion of building energy consumption. Two main negative characteristics that contribute to performance degradation and energy waste in an HVAC system are inappropriate control strategies and faults. LÄS MER
10. Some lifestyle-related factors and risk of chronic renal failure : a population-based approach
Sammanfattning : Some renal diseases, i.e. rapidly progressive glomerulonephritis, are sufficient causes of a rapid, permanent total loss of renal function. However, the majority of renal diseases progress slowly over decades, initially often without symptoms, sometimes making it difficult to define the aetiologies. LÄS MER