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: Chi 2 = 8.32, df = 1 (p = 0.004), I 2 = 88.0% | ||
|
| ||
| 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: Chi 2 = 0.53, df = 1 (p = 0.47), I 2 = 0% | ||
|
| ||
| 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: Chi 2 = 3.70, df = 1 (p = 0.05), I 2 = 73.0% | ||
|
| ||
| 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: Chi 2 = 7.21, df = 2 (p = 0.03), I 2 = 72.3% | ||