Work Productivity and Activity Impairment: Gastro-Esophageal Reflux Disease, Sleep Disturbances Questionnaire (WPAI:GERD-SDQ)

Wahlqvist P; Carlsson J; Stålhammar NO; Wiklund I


Basic description

  • Published in 2002
  • Modified version of the WPAI:GERD

Wahlqvist P; Carlsson J; Stålhammar NO; Wiklund I

Instrument not copyrighted according to the author, Margaret C. Reilly
To assess the effect of GERD-related sleep disturbances
Therapeutic area
  • Digestive System Diseases
Therapeutic indication

Gastroesophageal Reflux

Type of Clinical Outcome Assessment (COA)
  • pro PRO
Original language(s)
  • Swedish for Sweden
Bibliographic reference(s) of the original questionnaire

Reilly MC, Zbrozek AS, Dukes EM. The Validity and Reproducibility of a Work Productivity and Activity Impairment Instrument. PharmacoEconomics 1993;4(5):353-365 (PubMed Abstract)

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