Table 2.

Baseline component scores of the MOS sleep survey stratified by the presence or absence of RLS

Sleep ScaleAll Participants (n = 235)Absence of RLS (n = 141)Presence of RLS (n = 94)P
Sleep problems index 140 ± 2236 ± 2147 ± 21<0.001
Sleep problems index 242 ± 2238 ± 2150 ± 21<0.001
Sleep adequacy47 ± 2851 ± 2940 ± 250.002
Sleep disturbances44 ± 2938 ± 2753 ± 29<0.001
Snoring43 ± 3540 ± 3648 ± 340.09
Awaken short of breath or with a headache17 ± 2514 ± 2320 ± 260.06
Daytime somnolence43 ± 2439 ± 2449 ± 230.002
Sleep quantity (hours)6.4 ± 1.96.6 ± 1.86.1 ± 2.00.07
Optimal sleep (%)3843310.06
  • The data are presented as means ± standard deviation or percentages. The P values were calculated using unpaired t test or chi-squared test.