Janina Schäfer

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OBJECTIVES The aim of the study was to assess whether prospective follow-up data within the Swiss HIV Cohort Study can be used to predict patients who stop smoking; or among smokers who stop, those who start smoking again. METHODS We built prediction models first using clinical reasoning ('clinical models') and then by selecting from numerous candidate(More)
OBJECTIVE In previous research it has not been clarified whether the first-order schema factors of the Young Schema Questionnaire (YSQ) can be structured into higher order domains. We examined whether investigators' subjective choices between complex models of the YSQ or chance as opposed to clinical diversity of the samples may be responsible for the(More)
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