Some building-related factors that determine an exposure cannot be assessed accurately by a questionnaire, such as the rate of air exchange and the size of the microenvironment where time is spent, nor can concentrations be assessed accurately by subjective reports of the perceived level of tobacco smoke
During the health checkup, a standard questionnaire was used to obtain information on education level (less than high school, high school graduate, college, or postgraduate), household income ( 12,000 USD/month), marital status (married, never married, divorced, or widowed), and history of comorbidities
Other officers at the scene could be heard telling Good to get out of the car, and she could be seen turning the steering wheel away from Ross and beginning to drive
Retrieved July 2, 2012
Elevated plasma Hcy concentration was quantify in the tobacco addicted group, which shows an indication of severe damage