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Table 3 Conceptual framework for the final 3-factor RASIQ instrument

From: Development, psychometric evaluation and cognitive debriefing of the rheumatoid arthritis symptom and impact questionnaire (RASIQ)

Scale Item
Joint pain Severity of joint pain when sitting (past 24 h)
  Severity of joint pain when lying down (past 24 h)
  Severity of joint pain when starting to move after being still (past 24 h)
  Severity of joint pain when walking (past 24 h)
  Severity of joint pain when standing (past 24 h)
  Severity of joint pain when lifting objects (past 24 h)
  Severity of joint pain at its worst (past 24 h)
Joint stiffness Frequency of joint stiffness (past 24 h)
  Severity of early morning stiffness in joints (when woke up today)
  Duration of early morning stiffness in joints (today)
  Severity of joint stiffness in the day (past 24 h)
Impacts Level of energy (past 24 h)
  Frequency of physical tiredness (past 24 h)
  Frequency of rest due to joint pain (past 24 h)
  Sleep quality (last night)
  Sleep disturbance due to joint pain (last night)