Measuring Dietary Exposure in Nutritional Epidemiological Studies

Measuring dietary exposure in nutritional epidemiological studies.

C O N T E N T S I N T R O D U C T I O N . E P I D E M I O L O G I C A L P R I N C I P L E S RELEVANT T O D I E T A R Y S T U D I E S . D E F I N I N G EXPOSURE A N D O U T C O M E . G E N E R A L ISSUES T O BE C O N S I D E R E D W H E N ASSESSING D I E T A R Y E X P O S U R E S . COMPLEXITY OF DIETARY EXPOSURE. D 0 SE-R E S P 0 N S E RE L A T I 0 N S H I P . PH Y SI OLOG I c A L/M ETA BOL I c ...

Measuring refraction in adults in epidemiological studies.

OBJECTIVE To compare refraction measured before and after pharmacologic cycloplegia. METHODS This study used preliminary data from the Beaver Dam Offspring Study, which includes adult children of participants in the population-based Epidemiology of Hearing Loss Study of older adults living in Beaver Dam, Wisconsin. Data were available for 5018 eyes of 2529 participants. Refraction was defined...

Measuring child exposure to violence and mental health reactions in epidemiological studies: challenges and current issues.

This paper examines challenges and current issues involved in measuring exposure to different types of violence which are associated mental health problems in children and adolescents. Standardized measures suitable for epidemiological studies, selected based on their relevance in the current literature, are briefly described and commented. The assessment of child's exposure to violence may foc...

Dietary salt intake and epidemiological studies.

Design of exposure questionnaires for epidemiological studies.

Correspondence to: Dr M J Nieuwenhuijsen, Imperial College of Science, Technology and Medicine, London, UK; m.nieuwenhuijsen@imperial. ac.uk _________________________ Q uestionnaires are frequently used in the exposure assessment of occupational and environmental epidemiological studies. Questionnaires may be the method of choice for assessing exposure because no other sources of information ar...