Once a week or more often , Several times a month but not weekly , Once a month , Several times a year but not monthly , Once a year or less , Never (vol.) , Not Asked , Refused (vol.) , Don't Know (vol.)
Direct supervision , Back check in person by supervisor , Back check by telephone by supervisor or the central office , Not subject to back check , Review of Audio , Review of audio and back check by phone
The respondent was comfortable (at ease) with the entire questionnaire , The respondent was comfortable with most of the questions , The respondent was comfortable with only some of the questions , The respondent was generally uncomfortable with the survey questionnaire.