Validation of the Dermatology Life Quality Index and the Work Productivity and Activity Impairment-Chronic Hand Dermatitis questionnaire in chronic hand dermatitis.
In a double-blind, randomized trial of 257 patients with chronic hand dermatitis, the validity, reproducibility, and responsiveness of the Dermatology Life Quality Index and the Work Productivity and Activity Impairment questionnaire were established, and the sample size required to detect meaningful differences between treatment groups was estimated.
Reilly
Margaret C
MC
Reilly Associates, Inc, New York, New York 10022, USA. mreilly@reillyassociates.net
Lavin
Philip T
PT
Kahler
Kristijan H
KH
Pariser
David M
DM
D000328:Adult; D002908:Chronic Disease; D004311:Double-Blind Method; D004526:Efficiency; D005260:Female; D006229:Hand Dermatoses / Q000503:physiopathology*; D006801:Humans; D008297:Male; D009043:Motor Activity / Q000502:physiology; D011788:Quality of Life; D011795:Surveys and Questionnaires / Q000592:standards*