The results of convergent and discriminant validity support our hypotheses in which SEIQoL-DW was expected to correlate moderately to high with measures of global QoL , life satisfaction and mental health and weakly with measures of functional status and health .
Conclusion The SEIQoL-DW appears to be a feasible and valid instrument .
The lack of association between the Index score and health , functional status , demographic and clinical parameters may be explained by the instrument ’s focus on global QoL and by that of the idiographic measurement approach reflecting the capacity of a patient to value domains other than health in life , despite having health problems .
Purpose To review published studies regarding the use , feasibility and psychometric performance of the schedule for the evaluation of individual quality of life — direct weighting ( SEIQoL-DW ) in clinical research .
Individual quality of life in patients undergoing hip replacement
Quality of life ( QoL ) assessment is becoming increasingly important for measuring the impact of illnesses , diseases , and their treatment and for deciding priorities when allocating re sources . We developed a novel method to measure QoL from the perspective of the individual patient . The schedule for the evaluation of individual quality of life ( SEIQoL ) was devised from the technique known as judgment analysis to measure patients ' level of functioning in five self-nominated facets of life and the relative weight or importance attached to these areas . We applied this method , together with traditional measures of health status , in a prospect i ve intervention study of 20 patients undergoing unilateral total hip-replacement surgery with six-month follow-up by comparison with matched , non-patient controls .  Health status was significantly improved by hip replacement on the McMaster health index question naire ( p less than 0.001 ) and the arthritis impact measurement scales ( p less than 0.001 ) . Individually measured QoL was significantly increased after surgery when measured by SEIQoL ( p less than 0.02 ) . The individual nature of QoL was reflected in the variety of life areas nominated as important by individual patients , the differences in relative weights attached to these areas , and the complex nature of the changes that occurred postoperatively . Our data not only highlight such individuality but also show that SEIQoL provides a means by which this can be assessed scientifically
The results of convergent and discriminant validity support our hypotheses in which SEIQoL-DW was expected to correlate moderately to high with measures of global QoL , life satisfaction and mental health and weakly with measures of functional status and health .
Conclusion The SEIQoL-DW appears to be a feasible and valid instrument .
The lack of association between the Index score and health , functional status , demographic and clinical parameters may be explained by the instrument ’s focus on global QoL and by that of the idiographic measurement approach reflecting the capacity of a patient to value domains other than health in life , despite having health problems .
Purpose To review published studies regarding the use , feasibility and psychometric performance of the schedule for the evaluation of individual quality of life — direct weighting ( SEIQoL-DW ) in clinical research .