Table 2: Stress, burnout symptoms, anxiety, insomnia, and perception of health status at baseline and after 12-week medical yoga intervention.

Before interventionAfter intervention Difference between study groups regarding change in symptoms
Control groupYoga group valueControl groupYoga group valueMean difference
95% CI
value

PSS34.2 ± 10.736.3 ± 10.20.74932.1 ± 8.9 (−2.2)18.7 ± 6.7 (−17.7)0.00015.5 [8.1–23.0]0.000*
SMBQ4.7 ± 0.84.4 ± 1.20.6383.7 ± 0.6 (−1.0)3.2 ± 0.6 (−1.1)0.0240.1 [−0.4–0.7]0.412
HADS, total 21.2 ± 8.319.9 ± 9.80.73817.2 ± 8.2 (−4.1)10.6 ± 6.7 (−9.4)0.0145.3 [0.0–9.8]0.047*
HADS, anxiety 12.7 ± 5.011.8 ± 5.00.68010.5 ± 4.5 (−2.2)6.4 ± 3.5 (−5.3)0.0083.2 [0.8–5.6]0.019*
HADS, depr.8.5 ± 3.98.2 ± 5.10.9036.6 ± 4.3 (−1.9)4.1 ± 3.8 (−4.1)0.0452.1 [−0.2–4.6]0.123
ISI15.7 ± 4.511.4 ± 7.60.07514.1 ± 5.1 (−1.6)8.0 ± 6.3 (−3.4)0.0041.8 [−1.2–4.7]0.334
EQ-VAS43.6 ± 20.650.7 ± 21.30.25349.2 ± 17.5 (5.5)69.8 ± 22.9 (19.1)0.001−13.6 [−26.0– −1.2)]0.018*

Data are presented as mean ± SD. values refer to the difference between the control group and the yoga group before, after and for the *difference between study groups regarding mean change in symptoms after the study period. The change in scores was calculated (after intervention and before intervention), as shown within parenthesis. (Mann-Whitney test, ). 95% confidence interval of the difference between groups is presented. Control group, and yoga group, . CI: confidence interval; Euro Quality of Life-visual analogue scale (EQ-VAS); HADS: Hospital Anxiety and Depression Scale; ISI: Insomnia Severity Index; PSS: Perceived Stress Scale; SMBQ: Shirom-Melamed Burnout Questionnaire.