All individuals who had exposure less than 10 hours based on the postal questionnaire and were not a part of 15% random sample were considered as 'No exposure to individuals chemical listed in the telephone questionnaire.' The telephone questionnaire characterized exposure to individual pesticides.
The Oswestry questionnaire characterizes the extent to which low back pain impacts on the participant's life, work, and daily function and is scored from 0 to 50.
A research nurse interviewed the subjects and filled out a questionnaire that characterized the incidence and type of neurotoxicity symptoms and how long they lasted.
The EQ-5D is a questionnaire that characterized health in five domains, i.e., mobility, self-care, usual activities, pain/discomfort, and anxiety/depression on three levels to define HRQoL values.
Parents of a total of 3,676 fourth, seventh, and tenth graders from classrooms in 12 communities in Southern California completed questionnaires that characterized the children's histories of respiratory illness and associated risk factors.
Responses to a patient experience questionnaire were characterized.
Participants then completed a brief questionnaire that characterized their use of vitamin, mineral, and herbal supplements, use of prescription and nonprescription medications, and ongoing infection symptomatology.
Therefore, this study used a structured questionnaire to characterize the relationship among the members in the individual PCCNs, with regard to governance, clinical, marketing, financing, as well as information integration infrastructures.
The categorical nature of our food frequency questionnaire successfully characterizes fish consumption in the study population; people do not eat the same type of fish regularly but typically consume different types of seafood.
The questionnaire did not include question characterizing different headache types (i.e. Migraine, Tension).
