Two instruments measuring handicap were evaluated and compared with cl
inical; laboratory and disability measures. Participants were 133 pati
ents attending a rheumatology follow-up clinic in a district general h
ospital, of whom 102 were followed up after 3 months. Measurements inc
luded acute-phase response, early morning stiffness, pain; wellbeing,
joint involvement (impairments), the Stanford Health Assessment Questi
onnaire (disability), the Disease Repercussion Profile and the London
Handicap Scale (handicap). A substantial burden of disability and hand
icap was recorded. There were moderate correlations between impairment
s (0.4 < rho < 0.6), and moderate to strong correlations between disab
ility and handicap measures (0.4 < rho < 0.8). Correlations between im
pairment and disability/handicap were weak (rho < 0.4). Mean changes i
n all variables over 3 months were small, and none was statistically s
ignificant. A comprehensive description of the impact of disease and t
reatment requires measurements to be made of impairments, disabilities
and handicaps. The use of clinical and laboratory variables alone may
be misleading.