Abstract
Data from general population surveys (n = 1483 to 9151) in nine European countries (Denmark, France, Germany, Italy, the Netherlands, Norway, Spain, Sweden, and the United Kingdom) were analyzed to cross-validate the selection of questionnaire items for the SF-12 Health Survey and scoring algorithms for 12-item physical and mental component summary measures. In each country, multiple regression methods were used to select 12 SF-36 items that best reproduced the physical and mental health summary scores for the SF-36 Health Survey. Summary scores then were estimated with 12 items in three ways: using standard (U.S.-derived) SF-12 items and scoring algorithms; standard items and country-specific scoring; and country-specific sets of 12 items and scoring. Replication of the 36-item summary measures by the 12-item summary measures was then evaluated through comparison of mean scores and the strength of product-moment correlations. Product-moment correlations between SF-36 summary measures and SF-12 summary measures (standard and country- specific) were very high, ranging from 0.94-0.96 and 0.94-0.97 for the physical and mental summary measures, respectively. Mean 36-item summary measures and comparable 12-item summary measures were within 0.0 to 1.5 points (median = 0.5 points) in each country and were comparable across age groups. Because of the high degree of correspondence between summary physical and mental health measures estimated using the SF-12 and SF-36, it appears that the SF-12 will prove to be a practical alternative to the SF-36 in these countries, for purposes of large group comparisons in which the focus is on overall physical and mental health outcomes.
| Original language | English |
|---|---|
| Pages (from-to) | 1171-1178 |
| Number of pages | 8 |
| Journal | Journal of Clinical Epidemiology |
| Volume | 51 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - Nov 1998 |
Fingerprint
Keywords
- Construct validity
- Cross-cultural comparisons
- Health status indicators
- SF-12 Health Survey
- SF-36 Health Survey
- Translations
ASJC Scopus subject areas
- Medicine(all)
- Public Health, Environmental and Occupational Health
- Epidemiology
Cite this
Cross-validation of item selection and scoring for the SF-12 Health Survey in nine countries : Results from the IQOLA Project. / Gandek, Barbara; Ware, John E.; Aaronson, Neil K.; Apolone, Giovanni; Bjorner, Jakob B.; Brazier, John E.; Bullinger, Monika; Kaasa, Stein; Leplege, Alain; Prieto, Luis; Sullivan, Marianne.
In: Journal of Clinical Epidemiology, Vol. 51, No. 11, 11.1998, p. 1171-1178.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Cross-validation of item selection and scoring for the SF-12 Health Survey in nine countries
T2 - Results from the IQOLA Project
AU - Gandek, Barbara
AU - Ware, John E.
AU - Aaronson, Neil K.
AU - Apolone, Giovanni
AU - Bjorner, Jakob B.
AU - Brazier, John E.
AU - Bullinger, Monika
AU - Kaasa, Stein
AU - Leplege, Alain
AU - Prieto, Luis
AU - Sullivan, Marianne
PY - 1998/11
Y1 - 1998/11
N2 - Data from general population surveys (n = 1483 to 9151) in nine European countries (Denmark, France, Germany, Italy, the Netherlands, Norway, Spain, Sweden, and the United Kingdom) were analyzed to cross-validate the selection of questionnaire items for the SF-12 Health Survey and scoring algorithms for 12-item physical and mental component summary measures. In each country, multiple regression methods were used to select 12 SF-36 items that best reproduced the physical and mental health summary scores for the SF-36 Health Survey. Summary scores then were estimated with 12 items in three ways: using standard (U.S.-derived) SF-12 items and scoring algorithms; standard items and country-specific scoring; and country-specific sets of 12 items and scoring. Replication of the 36-item summary measures by the 12-item summary measures was then evaluated through comparison of mean scores and the strength of product-moment correlations. Product-moment correlations between SF-36 summary measures and SF-12 summary measures (standard and country- specific) were very high, ranging from 0.94-0.96 and 0.94-0.97 for the physical and mental summary measures, respectively. Mean 36-item summary measures and comparable 12-item summary measures were within 0.0 to 1.5 points (median = 0.5 points) in each country and were comparable across age groups. Because of the high degree of correspondence between summary physical and mental health measures estimated using the SF-12 and SF-36, it appears that the SF-12 will prove to be a practical alternative to the SF-36 in these countries, for purposes of large group comparisons in which the focus is on overall physical and mental health outcomes.
AB - Data from general population surveys (n = 1483 to 9151) in nine European countries (Denmark, France, Germany, Italy, the Netherlands, Norway, Spain, Sweden, and the United Kingdom) were analyzed to cross-validate the selection of questionnaire items for the SF-12 Health Survey and scoring algorithms for 12-item physical and mental component summary measures. In each country, multiple regression methods were used to select 12 SF-36 items that best reproduced the physical and mental health summary scores for the SF-36 Health Survey. Summary scores then were estimated with 12 items in three ways: using standard (U.S.-derived) SF-12 items and scoring algorithms; standard items and country-specific scoring; and country-specific sets of 12 items and scoring. Replication of the 36-item summary measures by the 12-item summary measures was then evaluated through comparison of mean scores and the strength of product-moment correlations. Product-moment correlations between SF-36 summary measures and SF-12 summary measures (standard and country- specific) were very high, ranging from 0.94-0.96 and 0.94-0.97 for the physical and mental summary measures, respectively. Mean 36-item summary measures and comparable 12-item summary measures were within 0.0 to 1.5 points (median = 0.5 points) in each country and were comparable across age groups. Because of the high degree of correspondence between summary physical and mental health measures estimated using the SF-12 and SF-36, it appears that the SF-12 will prove to be a practical alternative to the SF-36 in these countries, for purposes of large group comparisons in which the focus is on overall physical and mental health outcomes.
KW - Construct validity
KW - Cross-cultural comparisons
KW - Health status indicators
KW - SF-12 Health Survey
KW - SF-36 Health Survey
KW - Translations
UR - http://www.scopus.com/inward/record.url?scp=18744436804&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=18744436804&partnerID=8YFLogxK
U2 - 10.1016/S0895-4356(98)00109-7
DO - 10.1016/S0895-4356(98)00109-7
M3 - Article
C2 - 9817135
AN - SCOPUS:18744436804
VL - 51
SP - 1171
EP - 1178
JO - Journal of Clinical Epidemiology
JF - Journal of Clinical Epidemiology
SN - 0895-4356
IS - 11
ER -