A Systematic Review and Meta-Analysis Estimating the Expected Dropout Rates in Randomized Controlled Trials on Yoga Interventions
Table 5
Estimated dropout rates for yoga interventions as a function of intervention characteristics (yoga postures, breathing techniques, meditation, and duration). CI: confidence interval.
Yoga postures
Number of studies
Rate, 95% CI
Including postures
144
12.00 10.53, 13.46
Not including postures
21
7.22 4.32, 10.11
Test for subgroup differences: Chi2 = 8.32, df = 1 (),
Breathing techniques
Number of studies
Rate, 95% CI
Including breathing techniques
130
11.80 10.27, 13.33
Not including pranayama
34
10.63 7.87, 13.40
Test for subgroup differences: Chi2 = 0.53, df = 1 (),
Meditation
Number of studies
Rate, 95% CI
Including meditation
86
12.67 10.75, 14.60
Not including meditation
78
10.07 8.25, 11.89
Test for subgroup differences: Chi2 = 3.70, df = 1 (),
Intervention duration
Number of studies
Rate, 95% CI
Less than 8 weeks
44
9.42 6.93, 11.91
8–12 weeks
89
11.18 9.42, 12.94
More than 12 weeks
35
15.23 11.79, 18.68
Test for subgroup differences: Chi2 = 7.21, df = 2 (),