Sleep and Circadian Rhythms
This variable is only available in MAP and MARS.
Severity of possible Restless Legs Syndrome (RLS) is measured using a modified version of the Mayo Sleep Questionnaire (MSQ).
Participants are asked the following questions:
Participants are asked to answer the questions using options in the table below. Severity of possible RLS ranges from 0 to 10 and is the sum of the four items, with higher scores suggesting the possibility of more severe RLS.