A comparison of individual and social time trade-off values for health states in the general population
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A comparison of individual and social time trade-off values for health states in the general population. / Burström, Kristina; Johannesson, Magnus; Diderichsen, Finn.
I: Health Policy, Bind 76, Nr. 3, 2005, s. 1-12.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - A comparison of individual and social time trade-off values for health states in the general population
AU - Burström, Kristina
AU - Johannesson, Magnus
AU - Diderichsen, Finn
N1 - Keywords: Adult; Aged; Aged, 80 and over; Cross-Sectional Studies; Female; Health Status; Humans; Male; Middle Aged; Quality-Adjusted Life Years; Questionnaires; Social Values; Sweden
PY - 2005
Y1 - 2005
N2 - This study aimed to compare directly elicited individual time trade-off (TTO) values in a general population sample with the social values derived using the UK EQ-5D index tariff. In the Stockholm County 1998 postal Public Health Survey (n=4950, 20-88 years), the EQ-5D self-classifier, a TTO and a rating scale (RS) question were included (n=2549 for all three questions). The mean TTO (EQ-5D) value was 0.943 (0.890) in the youngest age-group and 0.699 (0.733) in the oldest age-group. The difference between TTO and EQ-5D values was greater in more severe health status groups was. The same equation as for the UK EQ-5D index tariff was estimated for TTO and RS and resulted in significant and consistent coefficients for nearly all dimensions. The coefficients for moderate problems were closer to the EQ-5D index tariff than the coefficients for severe problems. Age was also significant after controlling for the EQ-5D dimensions (p<0.05). The results suggest that individual and social TTO values differ systematically and that the difference is greater the more severe the health status is. The social EQ-5D index tariff may also underestimate the severity in health status at older ages; age appears to correlate with additional health problems not captured by the EQ-5D classification.
AB - This study aimed to compare directly elicited individual time trade-off (TTO) values in a general population sample with the social values derived using the UK EQ-5D index tariff. In the Stockholm County 1998 postal Public Health Survey (n=4950, 20-88 years), the EQ-5D self-classifier, a TTO and a rating scale (RS) question were included (n=2549 for all three questions). The mean TTO (EQ-5D) value was 0.943 (0.890) in the youngest age-group and 0.699 (0.733) in the oldest age-group. The difference between TTO and EQ-5D values was greater in more severe health status groups was. The same equation as for the UK EQ-5D index tariff was estimated for TTO and RS and resulted in significant and consistent coefficients for nearly all dimensions. The coefficients for moderate problems were closer to the EQ-5D index tariff than the coefficients for severe problems. Age was also significant after controlling for the EQ-5D dimensions (p<0.05). The results suggest that individual and social TTO values differ systematically and that the difference is greater the more severe the health status is. The social EQ-5D index tariff may also underestimate the severity in health status at older ages; age appears to correlate with additional health problems not captured by the EQ-5D classification.
U2 - 10.1016/j.healthpol.2005.06.011
DO - 10.1016/j.healthpol.2005.06.011
M3 - Journal article
C2 - 16214258
VL - 76
SP - 1
EP - 12
JO - Health Policy
JF - Health Policy
SN - 0168-8510
IS - 3
ER -
ID: 82824