Stewart, Walter F.; Ricci, Judith A.; Leotta, Carol; … - In: PharmacoEconomics 22 (2004) 17, pp. 1127-1140
Background: Instruments that measure the impact of illness on work do not usually provide a measure that can be directly translated into lost hours or costs. We describe the validation of the Work and Health Interview (WHI), a questionnaire that provides a measure of lost productive time (LPT)...