No treatment (control) | 0 | – |
|
Placebo | 0.16 | –0.31 to 0.63 |
|
Relaxation training | 0.55 | 0.14 to 0.96 |
|
Thermal biofeedback | 0.38 | –0.18 to 0.94 |
|
Thermal biofeedback with relaxation | 0.4 | 0.01 to 0.79 |
|
Electromyographic biofeedback | 0.77 | 0.24 to 1.30 |
|
Cognitive behavioural therapy | 0.54 | 0.13 to 0.94 |
|
Cognitive behavioural therapy with biofeedback | 0.37 | –0.23 to 0.97 |