|Prevalence* of symptoms related to restless leg syndrome in the 2002 Health and Retirement Study (N = 1,008)|
|Reported Leg Symptoms at Night||†||†|
|Less than once/month||14.0||12.1||16.3||13.7||15.0||12.7|
|At least once/month but < weekly||6.3||7.4||5.7||4.1||6.6||5.9|
|At least once/week||19.9||19.2||20.6||20.0||23.3||15.6|
|Crawling or aching arms or legs at rest||37.9||39.8||36.4||35.7||44.0‡||30.2‡|
|Restless, fidgety, or unable sit still at rest||25.2||28.1||23.5||20.2||27.9†||21.7†|
|Need to move, rub, or stretch legs at rest||53.0||53.7||52.0||53.4||57.0‡||47.9‡|
|Twitching or kicking of arms or legs||17.9||21.2†||14.9†||15.2†||15.1†||21.4†|
|Itching sensations on body at rest||20.9||20.2||21.2||22.5||25.2†||15.6†|
|Discussed problems with doctor §||43.4||38.5†||51.1†||39.3†||44.0||42.7|
|Prescribed treatment for restlessness ||||40.4||33.3||43.0||54.1||47.8‡||29.8‡|
|Treatment helped ¶||78.8||81.4||74.9||85.0||80.7||73.9|
|Case Definition **||10.6||11.9||9.7||8.4||13.5‡||7.0‡|
* = Prevalence estimates weighted to represent non-institutionalized U.S. population aged 54 or older.
χ2 test for association in all dichotomous questions. Test for trend performed for RLS symptoms at night by gender. For age associations, test for trend was not-significant but χ2 test for nominal association was significant. † p < 0.05.
‡ p < 0.001.
§ Among those with any symptoms (n = 509).
|| = Among those who sought medical advice (n = 239);
¶ = Among those with prescribed treatment (n = 109).
** = Restless Legs symptoms defined as unpleasant or restless sensations in the legs at least once per month, and reporting “restless, fidgety, or unable to sit still” feelings at rest and the need to “move, rub, or stretch legs” (n = 104).
Cirillo and Wallace
Cirillo and Wallace BMC Geriatrics 2012 12:39 doi:10.1186/1471-2318-12-39