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Collecting quality-of-life data via interactive
voice response (IVR) is efficient and cost effective. The Quality
of Life Enjoyment and Satisfaction Questionnaire (Q-LES-Q) and Endicott
Work Productivity Scale (EWPS) developed by Jean Endicott, Ph.D.,
are brief and reliable scales best administered by IVR.
The Q-LES-Q has detected significant differences
for drug vs. placebo in the following disorders: major depression,
dysthymia, panic disorder, posttraumatic stress disorder, premenstrual
dysphoric disorder and HIV men with hypogonadism. Furthermore and
most impressively, the Q-LES-Q detected significant differences
between drug and placebo responders, demonstrating the importance
of this quality-of-life assessment for establishing ultimate efficacy
of treatments.
The Q-LES-Q measures quality-of-life in key domains.
The short form employs the 14 general activities of the long form,
as well as 2 global items. Five-point item scores are aggregated,
with higher scores indicative of greater enjoyment or satisfaction
in each domain. Scores are also presented as a percentage of the
maximum possible score.
- Easy for subjects to use IVR telephone interviews, including
the 23% who are functionally illiterate; available 24/7
- Compliance can be monitored & sites alerted if follow-up is
needed
- Staff no longer need to administer, score and transmit these
scales
- Data can be gathered from large populations at a reasonable
cost
- Data transcription errors are eliminated
- Sponsors have immediate access to data
- We are leaders in IVR systems for clinical trials
- Our clinicians and researchers provide systems optimized for IVR delivery
- All data are aggregated in an Oracle relational database from which reports are generated in text, tables and graphs
*Endicott J, Nee J, Harrison W, Blumenthal R. Quality
of Life Enjoyment and Satisfaction Questionnaire: A New Measure.
Psychopharmacol Bull. 1993;29:321-326.
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