PMC:4144696 / 15751-16051
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/4144696","sourcedb":"PMC","sourceid":"4144696","source_url":"https://www.ncbi.nlm.nih.gov/pmc/4144696","text":"In the pre-pilot study (n = 20), the questionnaire was culturally acceptable and inoffensive. The pilot study led to modification of questions related to education, income, consumption and work, but identified no practical difficulties. Pilot study interviews did not contribute to the main analysis.","tracks":[]}