It is based on several years of studies of sickness certification, questionnaires with open-ended answers, interviews, pilot studies and discussions with physicians, other relevant professionals and researchers.
The questionnaire is based on several years of studies of sickness certification; questionnaires with open-ended answers, interviews, pilot studies and discussions with physicians, other relevant professionals and researchers, and has high face validity.
Data gathering methods – including unstructured interviews, non-participant observation of the foreign language certification process and a questionnaire – allowed testing of the questions via triangulation (by sources and methods) to validate the results.
Top institutions in Shenzhen that have received a Grade A building design certification were surveyed through a questionnaire.
A comprehensive 96-item questionnaire about sickness certification was developed [ 4], and detailed information about construction and administration of the instrument have been reported elsewhere [ 4].
A comprehensive questionnaire about sickness certification practices in 2008 was sent to all physicians living and working in Sweden (n=36 898, response rate 60.6%).
The data for analysis were collected in 2004 in Stockholm and Östergötland Counties, Sweden, by use of a comprehensive questionnaire about sickness certification issues, which was sent to 7,665 physicians aged ≤ 64 years.
A comprehensive questionnaire on sickness certification was developed based on a previous study in 2004 [ 10], the research literature, a pilot study, and discussions with a reference group [ 8].
A comprehensive questionnaire regarding sickness-certification practice was sent home to all physicians living and working in Sweden (N = 36,898; response rate: 61%).
Participants completed an enrollment questionnaire while attending the certification session.
Certification reports, EIA, management plans, community questionnaires, annual reports and policy documents were studied as well as Tanzanian laws, Ministry of Health (MoH) reports and data from the national census and two Living Standards Measurement Surveys (LSMS) conducted in 2008 and 2010.
