Table 3: Change over time in psychosocial and physiological profiles in sedentary, overweight postmenopausal women with RLS ( yoga, 10 controls).

Yoga Educational film (Control) Between-group difference over time Pre Post Pre Post Effect size¥ () () () () Sleep quality, stress, and mood  Pittsburgh Sleep Quality Index (PSQI)   Global 0.001 NS 0.01 2.59   Sleep latency NS NS NS 0.25   Sleep quality NS 0.04 NS 0.11   Sleep duration 0.02 .34 NS 0.04 1.18   Sleep efficiency 0.01 0.08 0.03 0.70   Sleep disturbance 0.03 NS 0.07 1.44   Sleep medication NS NS NS −0.33   Daytime dysfunction 0.002 NS 0.01 2.64  Average sleep duration in hours 0.001 NS 0.0001 −1.35  Prevalence of insomnia (PSQI > 5) (%) 87.50% 12.50% 0.01 100.00% 70.00% NS 0.03 —  Perceived Stress Scale 0.006 NS 0.03 1.98  Profile of Mood States  Total − 0.02 NS 0.02 2.35   Tension/Anxiety 0.07 NS 0.05 1.78   Confusion NS NS 0.09 2.84   Depression 0.001 NS 0.06 4.97   Anger/Hostility 0.02 0.06 0.06 2.93   Vigor 0.015 NS 0.02 −2.63   Fatigue 0.08 NS 0.05 1.26  State-Trait Anxiety Inventory   State 0.05 0.05 0.002 1.87   Trait NS NS NS 0.43  Duke Social Support Index   Social Interaction NS NS NS NA   Social Support NS NS NS NA Heart rate and blood pressure  Average heart rate (supine) NS NS NS 0.09  Systolic blood pressure 0.04 NS 0.05 1.25  Diastolic blood pressure 0.02 NS 0.03 0.89 Anthropometrics  Waist (cm) NS NS NS 0.25  Weight (kg) NS NS NS 0.15  Body mass index (kg/m2) NS NS NS 0.11

¥Between-group effect size (Cohen’s d), adjusted for differences in baseline values, NS: Non-significant ().