ID.1
Item
patient must be a man or woman aged 18 to 65 years of age, inclusive
boolean
ID.2
Item
the patient must have an established diagnosis of psoriasis (based upon clinical evidence, and documented medical history [19])
boolean
ID.3
Item
the patient must be able to read and write in the target language (english, mandarin or korean; or other relevant target languages)
boolean
ID.4
Item
each patient must sign an informed consent form (icf) indicating that he or she understands the purpose of and procedures required for the study and are willing to participate in the study
boolean
ID.5
Item
an established diagnosis of psoriatic arthritis
boolean
ID.6
Item
ever have received systemic treatment with a disease modifying antirheumatic drug (dmard) for arthritis or spondylitis (inflammatory back pain)
boolean
ID.7
Item
ever have received systemic treatment with a biologic therapy for psoriasis (including infliximab, golimumab, ustekinumab, adalimumab or etanercept)
boolean
ID.8
Item
a history of employment in or are currently employed in the healthcare industry; or
boolean
ID.9
Item
participated in the translation and linguistic validation of the earp questionnaire
boolean