... instrument in the lifestyle interventions and independence for elders pilot (LIFE- P) study Health and Quality of Life Outcomes 2010 8:115 Authors’ contributions FCH, WJR, EHI, and AMJ: study concept and ... compared to the original instrument, we examine the fit of their measurement model within the LIFE- P data Finally, to further elucidate how individual items play a role in measuring disability, ... Lifestyle Interventions and Independence for Elders Pilot (LIFE- P) Study was funded by a grant from the National Institutes of Health/National Institute on Aging (U01 AG22376) and supported in part...