Participants also completed interviewer-administered food frequency questionnaires (Hough 2010).
Participants completed interviewer-administered questionnaires that took approximately 90 minutes to complete.
Participants completed interviewer-administered questionnaires pre-surgery and at years one, two and three, postoperatively.
Study participants completed interviewer-administered questionnaires and underwent testing for HIV, antibody to HCV, and HBsAg.
Of the original 2041 live controls, in 2008 2009, we successfully followed up and completed interviewer-administered questionnaires for 1515.
We studied 578 BBD patients and 178 healthy women in Athens, Greece, who provided blood samples, and completed interviewer-administered questionnaires.
All study participants completed interviewer-administered assessments which included demographic questions (age, gender, education, occupation, and household data), as well as social support (the Medical Outcomes Study scale) [ 14], depressive symptoms (the Center for Epidemiological Studies Depression Scale (CES-D) [ 15], and quality of life (SF-12) questions [ 16].
Children also completed interviewer-administered questionnaires (not discussed in this paper, but including: quality of life (PedsQL), 13 self-concept (Marsh self-description questionnaire), 14 perceived physical competence (Harter Pictorial Scale for Young Children) 15 and body image perception (adapted Collin's Pictorial Image Scale) 16).
Quantitative data were collected by 10th grade and above completed interviewers who were given two days intensive training on the tools and methods of data collection.
Trained female interviewers completed interviews with one randomly selected woman aged 15-49 from each sampled household.
Since 2003, participants have returned every six months to complete interviewer-administered questionnaires and provide venous blood samples, which are tested for HIV and HCV.
