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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: Value Health. 2009 May 15;12(6):1035–1039. doi: 10.1111/j.1524-4733.2009.00566.x

Table 4.

Maximum Difference in Health-Related Quality of Life Scores for Mode by Order

Measure Maximum Difference Effect Size
SF-36v2™ Physical Health
Component Summary Score
4 .4
SF-36v2™ Mental Health
Component Summary Score
4 0.4
SF-6D 0.06 0.5
QWB-SA 0.03 0.2
EQ-5D 0.08 0.5
HUI2 0.04 0.2
HUI3 0.10 0.4

Note: Effect size is maximum difference divided by the standard deviation of the measure at the 6-month assessment across mode and orders of administration.

SF-6D = Preference-based score derived from SF-36v2™ items

QWB-SA = Quality of Well-Being Scale—self-administered

HUI2= Health Utilities Index Mark 2

HUI3= Health Utilities Index Mark 3