TY - JOUR T1 - An investigation of age-related differential item functioning in the EQ-5D-5L using item response theory and logistic regression. JO - Value in Health PY - 2022/04/27 AU - Penton H AU - Dayson C AU - Hulme C AU - Young T ED - DO - DOI: 10.1016/j.jval.2022.03.009 PB - Elsevier Y2 - 2024/09/20 ER -