Using discrete choice experiments to define patient preferences for outcomes in trials
نویسندگان
چکیده
Methods Web-based survey, containing discrete choice experiments (DCEs) to elicit preferences of three pre-defined groups of adults with epilepsy (n=750): (i) early epilepsy, (ii) established epilepsy, (iii) women of childbearing age (WOCBA). The DCEs contains five attributes, with two levels, defined using: semi-structured interviews with patients (n=56), a focus group with AED prescribers (n=8), and trial data. Each used the same fractional factorial design, folded into eight binary choices: Which medication would you prefer to take? Target sample size is 750 respondents, recruited via the Epilepsy Action website. Data will be analysed in STATA using a random effects logit model.
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